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Merge commit 'v2.6.36-rc5' into perf/core 

Merge reason: Pick up the latest fixes in -rc5.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2010-09-21 13:55:04 +02:00
parent e9d2b06414 b30a3f6257
commit 7ed569206e
184 changed files with 1718 additions and 906 deletions
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7
Documentation/hwmon/sysfs-interface
View File

@ -91,12 +91,11 @@ name The chip name.
I2C devices get this attribute created automatically.
RO
update_rate The rate at which the chip will update readings.
update_interval The interval at which the chip will update readings.
Unit: millisecond
RW
Some devices have a variable update rate. This attribute
can be used to change the update rate to the desired
frequency.
Some devices have a variable update rate or interval.
This attribute can be used to change it to the desired value.
************

2
Documentation/power/regulator/overview.txt
View File

@ -13,7 +13,7 @@ regulators (where voltage output is controllable) and current sinks (where
current limit is controllable).
(C) 2008 Wolfson Microelectronics PLC.
Author: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Author: Liam Girdwood <lrg@slimlogic.co.uk>
Nomenclature

380
Documentation/workqueue.txt Normal file
View File

@ -0,0 +1,380 @@
Concurrency Managed Workqueue (cmwq)
September, 2010 Tejun Heo <tj@kernel.org>
Florian Mickler <florian@mickler.org>
CONTENTS
1. Introduction
2. Why cmwq?
3. The Design
4. Application Programming Interface (API)
5. Example Execution Scenarios
6. Guidelines
1. Introduction
There are many cases where an asynchronous process execution context
is needed and the workqueue (wq) API is the most commonly used
mechanism for such cases.
When such an asynchronous execution context is needed, a work item
describing which function to execute is put on a queue. An
independent thread serves as the asynchronous execution context. The
queue is called workqueue and the thread is called worker.
While there are work items on the workqueue the worker executes the
functions associated with the work items one after the other. When
there is no work item left on the workqueue the worker becomes idle.
When a new work item gets queued, the worker begins executing again.
2. Why cmwq?
In the original wq implementation, a multi threaded (MT) wq had one
worker thread per CPU and a single threaded (ST) wq had one worker
thread system-wide. A single MT wq needed to keep around the same
number of workers as the number of CPUs. The kernel grew a lot of MT
wq users over the years and with the number of CPU cores continuously
rising, some systems saturated the default 32k PID space just booting
up.
Although MT wq wasted a lot of resource, the level of concurrency
provided was unsatisfactory. The limitation was common to both ST and
MT wq albeit less severe on MT. Each wq maintained its own separate
worker pool. A MT wq could provide only one execution context per CPU
while a ST wq one for the whole system. Work items had to compete for
those very limited execution contexts leading to various problems
including proneness to deadlocks around the single execution context.
The tension between the provided level of concurrency and resource
usage also forced its users to make unnecessary tradeoffs like libata
choosing to use ST wq for polling PIOs and accepting an unnecessary
limitation that no two polling PIOs can progress at the same time. As
MT wq don't provide much better concurrency, users which require
higher level of concurrency, like async or fscache, had to implement
their own thread pool.
Concurrency Managed Workqueue (cmwq) is a reimplementation of wq with
focus on the following goals.
* Maintain compatibility with the original workqueue API.
* Use per-CPU unified worker pools shared by all wq to provide
flexible level of concurrency on demand without wasting a lot of
resource.
* Automatically regulate worker pool and level of concurrency so that
the API users don't need to worry about such details.
3. The Design
In order to ease the asynchronous execution of functions a new
abstraction, the work item, is introduced.
A work item is a simple struct that holds a pointer to the function
that is to be executed asynchronously. Whenever a driver or subsystem
wants a function to be executed asynchronously it has to set up a work
item pointing to that function and queue that work item on a
workqueue.
Special purpose threads, called worker threads, execute the functions
off of the queue, one after the other. If no work is queued, the
worker threads become idle. These worker threads are managed in so
called thread-pools.
The cmwq design differentiates between the user-facing workqueues that
subsystems and drivers queue work items on and the backend mechanism
which manages thread-pool and processes the queued work items.
The backend is called gcwq. There is one gcwq for each possible CPU
and one gcwq to serve work items queued on unbound workqueues.
Subsystems and drivers can create and queue work items through special
workqueue API functions as they see fit. They can influence some
aspects of the way the work items are executed by setting flags on the
workqueue they are putting the work item on. These flags include
things like CPU locality, reentrancy, concurrency limits and more. To
get a detailed overview refer to the API description of
alloc_workqueue() below.
When a work item is queued to a workqueue, the target gcwq is
determined according to the queue parameters and workqueue attributes
and appended on the shared worklist of the gcwq. For example, unless
specifically overridden, a work item of a bound workqueue will be
queued on the worklist of exactly that gcwq that is associated to the
CPU the issuer is running on.
For any worker pool implementation, managing the concurrency level
(how many execution contexts are active) is an important issue. cmwq
tries to keep the concurrency at a minimal but sufficient level.
Minimal to save resources and sufficient in that the system is used at
its full capacity.
Each gcwq bound to an actual CPU implements concurrency management by
hooking into the scheduler. The gcwq is notified whenever an active
worker wakes up or sleeps and keeps track of the number of the
currently runnable workers. Generally, work items are not expected to
hog a CPU and consume many cycles. That means maintaining just enough
concurrency to prevent work processing from stalling should be
optimal. As long as there are one or more runnable workers on the
CPU, the gcwq doesn't start execution of a new work, but, when the
last running worker goes to sleep, it immediately schedules a new
worker so that the CPU doesn't sit idle while there are pending work
items. This allows using a minimal number of workers without losing
execution bandwidth.
Keeping idle workers around doesn't cost other than the memory space
for kthreads, so cmwq holds onto idle ones for a while before killing
them.
For an unbound wq, the above concurrency management doesn't apply and
the gcwq for the pseudo unbound CPU tries to start executing all work
items as soon as possible. The responsibility of regulating
concurrency level is on the users. There is also a flag to mark a
bound wq to ignore the concurrency management. Please refer to the
API section for details.
Forward progress guarantee relies on that workers can be created when
more execution contexts are necessary, which in turn is guaranteed
through the use of rescue workers. All work items which might be used
on code paths that handle memory reclaim are required to be queued on
wq's that have a rescue-worker reserved for execution under memory
pressure. Else it is possible that the thread-pool deadlocks waiting
for execution contexts to free up.
4. Application Programming Interface (API)
alloc_workqueue() allocates a wq. The original create_*workqueue()
functions are deprecated and scheduled for removal. alloc_workqueue()
takes three arguments - @name, @flags and @max_active. @name is the
name of the wq and also used as the name of the rescuer thread if
there is one.
A wq no longer manages execution resources but serves as a domain for
forward progress guarantee, flush and work item attributes. @flags
and @max_active control how work items are assigned execution
resources, scheduled and executed.
@flags:
WQ_NON_REENTRANT
By default, a wq guarantees non-reentrance only on the same
CPU. A work item may not be executed concurrently on the same
CPU by multiple workers but is allowed to be executed
concurrently on multiple CPUs. This flag makes sure
non-reentrance is enforced across all CPUs. Work items queued
to a non-reentrant wq are guaranteed to be executed by at most
one worker system-wide at any given time.
WQ_UNBOUND
Work items queued to an unbound wq are served by a special
gcwq which hosts workers which are not bound to any specific
CPU. This makes the wq behave as a simple execution context
provider without concurrency management. The unbound gcwq
tries to start execution of work items as soon as possible.
Unbound wq sacrifices locality but is useful for the following
cases.
* Wide fluctuation in the concurrency level requirement is
expected and using bound wq may end up creating large number
of mostly unused workers across different CPUs as the issuer
hops through different CPUs.
* Long running CPU intensive workloads which can be better
managed by the system scheduler.
WQ_FREEZEABLE
A freezeable wq participates in the freeze phase of the system
suspend operations. Work items on the wq are drained and no
new work item starts execution until thawed.
WQ_RESCUER
All wq which might be used in the memory reclaim paths _MUST_
have this flag set. This reserves one worker exclusively for
the execution of this wq under memory pressure.
WQ_HIGHPRI
Work items of a highpri wq are queued at the head of the
worklist of the target gcwq and start execution regardless of
the current concurrency level. In other words, highpri work
items will always start execution as soon as execution
resource is available.
Ordering among highpri work items is preserved - a highpri
work item queued after another highpri work item will start
execution after the earlier highpri work item starts.
Although highpri work items are not held back by other
runnable work items, they still contribute to the concurrency
level. Highpri work items in runnable state will prevent
non-highpri work items from starting execution.
This flag is meaningless for unbound wq.
WQ_CPU_INTENSIVE
Work items of a CPU intensive wq do not contribute to the
concurrency level. In other words, runnable CPU intensive
work items will not prevent other work items from starting
execution. This is useful for bound work items which are
expected to hog CPU cycles so that their execution is
regulated by the system scheduler.
Although CPU intensive work items don't contribute to the
concurrency level, start of their executions is still
regulated by the concurrency management and runnable
non-CPU-intensive work items can delay execution of CPU
intensive work items.
This flag is meaningless for unbound wq.
WQ_HIGHPRI | WQ_CPU_INTENSIVE
This combination makes the wq avoid interaction with
concurrency management completely and behave as a simple
per-CPU execution context provider. Work items queued on a
highpri CPU-intensive wq start execution as soon as resources
are available and don't affect execution of other work items.
@max_active:
@max_active determines the maximum number of execution contexts per
CPU which can be assigned to the work items of a wq. For example,
with @max_active of 16, at most 16 work items of the wq can be
executing at the same time per CPU.
Currently, for a bound wq, the maximum limit for @max_active is 512
and the default value used when 0 is specified is 256. For an unbound
wq, the limit is higher of 512 and 4 * num_possible_cpus(). These
values are chosen sufficiently high such that they are not the
limiting factor while providing protection in runaway cases.
The number of active work items of a wq is usually regulated by the
users of the wq, more specifically, by how many work items the users
may queue at the same time. Unless there is a specific need for
throttling the number of active work items, specifying '0' is
recommended.
Some users depend on the strict execution ordering of ST wq. The
combination of @max_active of 1 and WQ_UNBOUND is used to achieve this
behavior. Work items on such wq are always queued to the unbound gcwq
and only one work item can be active at any given time thus achieving
the same ordering property as ST wq.
5. Example Execution Scenarios
The following example execution scenarios try to illustrate how cmwq
behave under different configurations.
Work items w0, w1, w2 are queued to a bound wq q0 on the same CPU.
w0 burns CPU for 5ms then sleeps for 10ms then burns CPU for 5ms
again before finishing. w1 and w2 burn CPU for 5ms then sleep for
10ms.
Ignoring all other tasks, works and processing overhead, and assuming
simple FIFO scheduling, the following is one highly simplified version
of possible sequences of events with the original wq.
TIME IN MSECS EVENT
0 w0 starts and burns CPU
5 w0 sleeps
15 w0 wakes up and burns CPU
20 w0 finishes
20 w1 starts and burns CPU
25 w1 sleeps
35 w1 wakes up and finishes
35 w2 starts and burns CPU
40 w2 sleeps
50 w2 wakes up and finishes
And with cmwq with @max_active >= 3,
TIME IN MSECS EVENT
0 w0 starts and burns CPU
5 w0 sleeps
5 w1 starts and burns CPU
10 w1 sleeps
10 w2 starts and burns CPU
15 w2 sleeps
15 w0 wakes up and burns CPU
20 w0 finishes
20 w1 wakes up and finishes
25 w2 wakes up and finishes
If @max_active == 2,
TIME IN MSECS EVENT
0 w0 starts and burns CPU
5 w0 sleeps
5 w1 starts and burns CPU
10 w1 sleeps
15 w0 wakes up and burns CPU
20 w0 finishes
20 w1 wakes up and finishes
20 w2 starts and burns CPU
25 w2 sleeps
35 w2 wakes up and finishes
Now, let's assume w1 and w2 are queued to a different wq q1 which has
WQ_HIGHPRI set,
TIME IN MSECS EVENT
0 w1 and w2 start and burn CPU
5 w1 sleeps
10 w2 sleeps
10 w0 starts and burns CPU
15 w0 sleeps
15 w1 wakes up and finishes
20 w2 wakes up and finishes
25 w0 wakes up and burns CPU
30 w0 finishes
If q1 has WQ_CPU_INTENSIVE set,
TIME IN MSECS EVENT
0 w0 starts and burns CPU
5 w0 sleeps
5 w1 and w2 start and burn CPU
10 w1 sleeps
15 w2 sleeps
15 w0 wakes up and burns CPU
20 w0 finishes
20 w1 wakes up and finishes
25 w2 wakes up and finishes
6. Guidelines
* Do not forget to use WQ_RESCUER if a wq may process work items which
are used during memory reclaim. Each wq with WQ_RESCUER set has one
rescuer thread reserved for it. If there is dependency among
multiple work items used during memory reclaim, they should be
queued to separate wq each with WQ_RESCUER.
* Unless strict ordering is required, there is no need to use ST wq.
* Unless there is a specific need, using 0 for @max_active is
recommended. In most use cases, concurrency level usually stays
well under the default limit.
* A wq serves as a domain for forward progress guarantee (WQ_RESCUER),
flush and work item attributes. Work items which are not involved
in memory reclaim and don't need to be flushed as a part of a group
of work items, and don't require any special attribute, can use one
of the system wq. There is no difference in execution
characteristics between using a dedicated wq and a system wq.
* Unless work items are expected to consume a huge amount of CPU
cycles, using a bound wq is usually beneficial due to the increased
level of locality in wq operations and work item execution.

11
MAINTAINERS
View File

@ -1135,7 +1135,7 @@ ATLX ETHERNET DRIVERS
M: Jay Cliburn <jcliburn@gmail.com>
M: Chris Snook <chris.snook@gmail.com>
M: Jie Yang <jie.yang@atheros.com>
L: atl1-devel@lists.sourceforge.net
L: netdev@vger.kernel.org
W: http://sourceforge.net/projects/atl1
W: http://atl1.sourceforge.net
S: Maintained
@ -2657,9 +2657,12 @@ S: Maintained
F: drivers/media/video/gspca/
HARDWARE MONITORING
M: Jean Delvare <khali@linux-fr.org>
M: Guenter Roeck <guenter.roeck@ericsson.com>
L: lm-sensors@lm-sensors.org
W: http://www.lm-sensors.org/
S: Orphan
T: quilt kernel.org/pub/linux/kernel/people/jdelvare/linux-2.6/jdelvare-hwmon/
S: Maintained
F: Documentation/hwmon/
F: drivers/hwmon/
F: include/linux/hwmon*.h
@ -3939,7 +3942,7 @@ F: drivers/char/isicom.c
F: include/linux/isicom.h
MUSB MULTIPOINT HIGH SPEED DUAL-ROLE CONTROLLER
M: Felipe Balbi <felipe.balbi@nokia.com>
M: Felipe Balbi <balbi@ti.com>
L: linux-usb@vger.kernel.org
T: git git://gitorious.org/usb/usb.git
S: Maintained
@ -4237,7 +4240,7 @@ S: Maintained
F: drivers/char/hw_random/omap-rng.c
OMAP USB SUPPORT
M: Felipe Balbi <felipe.balbi@nokia.com>
M: Felipe Balbi <balbi@ti.com>
M: David Brownell <dbrownell@users.sourceforge.net>
L: linux-usb@vger.kernel.org
L: linux-omap@vger.kernel.org

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 36
EXTRAVERSION = -rc4
EXTRAVERSION = -rc5
NAME = Sheep on Meth
# *DOCUMENTATION*

2
arch/alpha/include/asm/cacheflush.h
View File

@ -43,6 +43,8 @@ extern void smp_imb(void);
/* ??? Ought to use this in arch/alpha/kernel/signal.c too. */
#ifndef CONFIG_SMP
#include <linux/sched.h>
extern void __load_new_mm_context(struct mm_struct *);
static inline void
flush_icache_user_range(struct vm_area_struct *vma, struct page *page,

6
arch/alpha/include/asm/unistd.h
View File

@ -449,10 +449,13 @@
#define __NR_pwritev 491
#define __NR_rt_tgsigqueueinfo 492
#define __NR_perf_event_open 493
#define __NR_fanotify_init 494
#define __NR_fanotify_mark 495
#define __NR_prlimit64 496
#ifdef __KERNEL__
#define NR_SYSCALLS 494
#define NR_SYSCALLS 497
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR
@ -463,6 +466,7 @@
#define __ARCH_WANT_SYS_OLD_GETRLIMIT
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
/* "Conditional" syscalls. What we want is

61
arch/alpha/kernel/entry.S
View File

@ -317,14 +317,14 @@ ret_from_sys_call:
ldq $0, SP_OFF($sp)
and $0, 8, $0
beq $0, restore_all
ret_from_reschedule:
ret_to_user:
/* Make sure need_resched and sigpending don't change between
sampling and the rti. */
lda $16, 7
call_pal PAL_swpipl
ldl $5, TI_FLAGS($8)
and $5, _TIF_WORK_MASK, $2
bne $5, work_pending
bne $2, work_pending
restore_all:
RESTORE_ALL
call_pal PAL_rti
@ -363,7 +363,7 @@ $ret_success:
* $8: current.
* $19: The old syscall number, or zero if this is not a return
* from a syscall that errored and is possibly restartable.
* $20: Error indication.
* $20: The old a3 value
*/
.align 4
@ -392,12 +392,18 @@ $work_resched:
$work_notifysig:
mov $sp, $16
br $1, do_switch_stack
bsr $1, do_switch_stack
mov $sp, $17
mov $5, $18
mov $19, $9 /* save old syscall number */
mov $20, $10 /* save old a3 */
and $5, _TIF_SIGPENDING, $2
cmovne $2, 0, $9 /* we don't want double syscall restarts */
jsr $26, do_notify_resume
mov $9, $19
mov $10, $20
bsr $1, undo_switch_stack
br restore_all
br ret_to_user
.end work_pending
/*
@ -430,6 +436,7 @@ strace:
beq $1, 1f
ldq $27, 0($2)
1: jsr $26, ($27), sys_gettimeofday
ret_from_straced:
ldgp $gp, 0($26)
/* check return.. */
@ -757,11 +764,15 @@ sys_vfork:
.ent sys_sigreturn
sys_sigreturn:
.prologue 0
lda $9, ret_from_straced
cmpult $26, $9, $9
mov $sp, $17
lda $18, -SWITCH_STACK_SIZE($sp)
lda $sp, -SWITCH_STACK_SIZE($sp)
jsr $26, do_sigreturn
br $1, undo_switch_stack
bne $9, 1f
jsr $26, syscall_trace
1: br $1, undo_switch_stack
br ret_from_sys_call
.end sys_sigreturn
@ -770,46 +781,18 @@ sys_sigreturn:
.ent sys_rt_sigreturn
sys_rt_sigreturn:
.prologue 0
lda $9, ret_from_straced
cmpult $26, $9, $9
mov $sp, $17
lda $18, -SWITCH_STACK_SIZE($sp)
lda $sp, -SWITCH_STACK_SIZE($sp)
jsr $26, do_rt_sigreturn
br $1, undo_switch_stack
bne $9, 1f
jsr $26, syscall_trace
1: br $1, undo_switch_stack
br ret_from_sys_call
.end sys_rt_sigreturn
.align 4
.globl sys_sigsuspend
.ent sys_sigsuspend
sys_sigsuspend:
.prologue 0
mov $sp, $17
br $1, do_switch_stack
mov $sp, $18
subq $sp, 16, $sp
stq $26, 0($sp)
jsr $26, do_sigsuspend
ldq $26, 0($sp)
lda $sp, SWITCH_STACK_SIZE+16($sp)
ret
.end sys_sigsuspend
.align 4
.globl sys_rt_sigsuspend
.ent sys_rt_sigsuspend
sys_rt_sigsuspend:
.prologue 0
mov $sp, $18
br $1, do_switch_stack
mov $sp, $19
subq $sp, 16, $sp
stq $26, 0($sp)
jsr $26, do_rt_sigsuspend
ldq $26, 0($sp)
lda $sp, SWITCH_STACK_SIZE+16($sp)
ret
.end sys_rt_sigsuspend
.align 4
.globl sys_sethae
.ent sys_sethae

12
arch/alpha/kernel/err_ev6.c
View File

@ -90,11 +90,13 @@ static int
ev6_parse_cbox(u64 c_addr, u64 c1_syn, u64 c2_syn,
u64 c_stat, u64 c_sts, int print)
{
char *sourcename[] = { "UNKNOWN", "UNKNOWN", "UNKNOWN",
"MEMORY", "BCACHE", "DCACHE",
"BCACHE PROBE", "BCACHE PROBE" };
char *streamname[] = { "D", "I" };
char *bitsname[] = { "SINGLE", "DOUBLE" };
static const char * const sourcename[] = {
"UNKNOWN", "UNKNOWN", "UNKNOWN",
"MEMORY", "BCACHE", "DCACHE",
"BCACHE PROBE", "BCACHE PROBE"
};
static const char * const streamname[] = { "D", "I" };
static const char * const bitsname[] = { "SINGLE", "DOUBLE" };
int status = MCHK_DISPOSITION_REPORT;
int source = -1, stream = -1, bits = -1;

33
arch/alpha/kernel/err_marvel.c
View File

@ -589,22 +589,23 @@ marvel_print_pox_spl_cmplt(u64 spl_cmplt)
static void
marvel_print_pox_trans_sum(u64 trans_sum)
{
char *pcix_cmd[] = { "Interrupt Acknowledge",
"Special Cycle",
"I/O Read",
"I/O Write",
"Reserved",
"Reserved / Device ID Message",
"Memory Read",
"Memory Write",
"Reserved / Alias to Memory Read Block",
"Reserved / Alias to Memory Write Block",
"Configuration Read",
"Configuration Write",
"Memory Read Multiple / Split Completion",
"Dual Address Cycle",
"Memory Read Line / Memory Read Block",
"Memory Write and Invalidate / Memory Write Block"
static const char * const pcix_cmd[] = {
"Interrupt Acknowledge",
"Special Cycle",
"I/O Read",
"I/O Write",
"Reserved",
"Reserved / Device ID Message",
"Memory Read",
"Memory Write",
"Reserved / Alias to Memory Read Block",
"Reserved / Alias to Memory Write Block",
"Configuration Read",
"Configuration Write",
"Memory Read Multiple / Split Completion",
"Dual Address Cycle",
"Memory Read Line / Memory Read Block",
"Memory Write and Invalidate / Memory Write Block"
};
#define IO7__POX_TRANSUM__PCI_ADDR__S (0)

35
arch/alpha/kernel/err_titan.c
View File

@ -75,8 +75,12 @@ titan_parse_p_serror(int which, u64 serror, int print)
int status = MCHK_DISPOSITION_REPORT;
#ifdef CONFIG_VERBOSE_MCHECK
char *serror_src[] = {"GPCI", "APCI", "AGP HP", "AGP LP"};
char *serror_cmd[] = {"DMA Read", "DMA RMW", "SGTE Read", "Reserved"};
static const char * const serror_src[] = {
"GPCI", "APCI", "AGP HP", "AGP LP"
};
static const char * const serror_cmd[] = {
"DMA Read", "DMA RMW", "SGTE Read", "Reserved"
};
#endif /* CONFIG_VERBOSE_MCHECK */
#define TITAN__PCHIP_SERROR__LOST_UECC (1UL << 0)
@ -140,14 +144,15 @@ titan_parse_p_perror(int which, int port, u64 perror, int print)
int status = MCHK_DISPOSITION_REPORT;
#ifdef CONFIG_VERBOSE_MCHECK
char *perror_cmd[] = { "Interrupt Acknowledge", "Special Cycle",
"I/O Read", "I/O Write",
"Reserved", "Reserved",
"Memory Read", "Memory Write",
"Reserved", "Reserved",
"Configuration Read", "Configuration Write",
"Memory Read Multiple", "Dual Address Cycle",
"Memory Read Line","Memory Write and Invalidate"
static const char * const perror_cmd[] = {
"Interrupt Acknowledge", "Special Cycle",
"I/O Read", "I/O Write",
"Reserved", "Reserved",
"Memory Read", "Memory Write",
"Reserved", "Reserved",
"Configuration Read", "Configuration Write",
"Memory Read Multiple", "Dual Address Cycle",
"Memory Read Line", "Memory Write and Invalidate"
};
#endif /* CONFIG_VERBOSE_MCHECK */
@ -273,11 +278,11 @@ titan_parse_p_agperror(int which, u64 agperror, int print)
int cmd, len;
unsigned long addr;
char *agperror_cmd[] = { "Read (low-priority)", "Read (high-priority)",
"Write (low-priority)",
"Write (high-priority)",
"Reserved", "Reserved",
"Flush", "Fence"
static const char * const agperror_cmd[] = {
"Read (low-priority)", "Read (high-priority)",
"Write (low-priority)", "Write (high-priority)",
"Reserved", "Reserved",
"Flush", "Fence"
};
#endif /* CONFIG_VERBOSE_MCHECK */

9
arch/alpha/kernel/osf_sys.c
View File

@ -15,7 +15,6 @@
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/stddef.h>
#include <linux/syscalls.h>
#include <linux/unistd.h>
@ -69,7 +68,6 @@ SYSCALL_DEFINE4(osf_set_program_attributes, unsigned long, text_start,
{
struct mm_struct *mm;
lock_kernel();
mm = current->mm;
mm->end_code = bss_start + bss_len;
mm->start_brk = bss_start + bss_len;
@ -78,7 +76,6 @@ SYSCALL_DEFINE4(osf_set_program_attributes, unsigned long, text_start,
printk("set_program_attributes(%lx %lx %lx %lx)\n",
text_start, text_len, bss_start, bss_len);
#endif
unlock_kernel();
return 0;
}
@ -517,7 +514,6 @@ SYSCALL_DEFINE2(osf_proplist_syscall, enum pl_code, code,
long error;
int __user *min_buf_size_ptr;
lock_kernel();
switch (code) {
case PL_SET:
if (get_user(error, &args->set.nbytes))
@ -547,7 +543,6 @@ SYSCALL_DEFINE2(osf_proplist_syscall, enum pl_code, code,
error = -EOPNOTSUPP;
break;
};
unlock_kernel();
return error;
}
@ -594,7 +589,7 @@ SYSCALL_DEFINE2(osf_sigstack, struct sigstack __user *, uss,
SYSCALL_DEFINE3(osf_sysinfo, int, command, char __user *, buf, long, count)
{
char *sysinfo_table[] = {
const char *sysinfo_table[] = {
utsname()->sysname,
utsname()->nodename,
utsname()->release,
@ -606,7 +601,7 @@ SYSCALL_DEFINE3(osf_sysinfo, int, command, char __user *, buf, long, count)
"dummy", /* secure RPC domain */
};
unsigned long offset;
char *res;
const char *res;
long len, err = -EINVAL;
offset = command-1;

2
arch/alpha/kernel/pci-sysfs.c
View File

@ -66,7 +66,7 @@ static int pci_mmap_resource(struct kobject *kobj,
{
struct pci_dev *pdev = to_pci_dev(container_of(kobj,
struct device, kobj));
struct resource *res = (struct resource *)attr->private;
struct resource *res = attr->private;
enum pci_mmap_state mmap_type;
struct pci_bus_region bar;
int i;

41
arch/alpha/kernel/signal.c
View File

@ -144,8 +144,7 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
/*
* Atomically swap in the new signal mask, and wait for a signal.
*/
asmlinkage int
do_sigsuspend(old_sigset_t mask, struct pt_regs *regs, struct switch_stack *sw)
SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask)
{
mask &= _BLOCKABLE;
spin_lock_irq(&current->sighand->siglock);
@ -154,41 +153,6 @@ do_sigsuspend(old_sigset_t mask, struct pt_regs *regs, struct switch_stack *sw)
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
/* Indicate EINTR on return from any possible signal handler,
which will not come back through here, but via sigreturn. */
regs->r0 = EINTR;
regs->r19 = 1;
current->state = TASK_INTERRUPTIBLE;
schedule();
set_thread_flag(TIF_RESTORE_SIGMASK);
return -ERESTARTNOHAND;
}
asmlinkage int
do_rt_sigsuspend(sigset_t __user *uset, size_t sigsetsize,
struct pt_regs *regs, struct switch_stack *sw)
{
sigset_t set;
/* XXX: Don't preclude handling different sized sigset_t's. */
if (sigsetsize != sizeof(sigset_t))
return -EINVAL;
if (copy_from_user(&set, uset, sizeof(set)))
return -EFAULT;
sigdelsetmask(&set, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
current->blocked = set;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
/* Indicate EINTR on return from any possible signal handler,
which will not come back through here, but via sigreturn. */
regs->r0 = EINTR;
regs->r19 = 1;
current->state = TASK_INTERRUPTIBLE;
schedule();
set_thread_flag(TIF_RESTORE_SIGMASK);
@ -239,6 +203,8 @@ restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
unsigned long usp;
long i, err = __get_user(regs->pc, &sc->sc_pc);
current_thread_info()->restart_block.fn = do_no_restart_syscall;
sw->r26 = (unsigned long) ret_from_sys_call;
err |= __get_user(regs->r0, sc->sc_regs+0);
@ -591,7 +557,6 @@ syscall_restart(unsigned long r0, unsigned long r19,
regs->pc -= 4;
break;
case ERESTART_RESTARTBLOCK:
current_thread_info()->restart_block.fn = do_no_restart_syscall;
regs->r0 = EINTR;
break;
}

2
arch/alpha/kernel/srm_env.c
View File

@ -87,7 +87,7 @@ static int srm_env_proc_show(struct seq_file *m, void *v)
srm_env_t *entry;
char *page;
entry = (srm_env_t *)m->private;
entry = m->private;
page = (char *)__get_free_page(GFP_USER);
if (!page)
return -ENOMEM;

3
arch/alpha/kernel/systbls.S
View File

@ -512,6 +512,9 @@ sys_call_table:
.quad sys_pwritev
.quad sys_rt_tgsigqueueinfo
.quad sys_perf_event_open
.quad sys_fanotify_init
.quad sys_fanotify_mark /* 495 */
.quad sys_prlimit64
.size sys_call_table, . - sys_call_table
.type sys_call_table, @object

10
arch/alpha/kernel/time.c
View File

@ -191,16 +191,16 @@ irqreturn_t timer_interrupt(int irq, void *dev)
write_sequnlock(&xtime_lock);
#ifndef CONFIG_SMP
while (nticks--)
update_process_times(user_mode(get_irq_regs()));
#endif
if (test_perf_event_pending()) {
clear_perf_event_pending();
perf_event_do_pending();
}
#ifndef CONFIG_SMP
while (nticks--)
update_process_times(user_mode(get_irq_regs()));
#endif
return IRQ_HANDLED;
}

3
arch/alpha/kernel/traps.c
View File

@ -13,7 +13,6 @@
#include <linux/sched.h>
#include <linux/tty.h>
#include <linux/delay.h>
#include <linux/smp_lock.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kallsyms.h>
@ -623,7 +622,6 @@ do_entUna(void * va, unsigned long opcode, unsigned long reg,
return;
}
lock_kernel();
printk("Bad unaligned kernel access at %016lx: %p %lx %lu\n",
pc, va, opcode, reg);
do_exit(SIGSEGV);
@ -646,7 +644,6 @@ got_exception:
* Yikes! No one to forward the exception to.
* Since the registers are in a weird format, dump them ourselves.
*/
lock_kernel();
printk("%s(%d): unhandled unaligned exception\n",
current->comm, task_pid_nr(current));

2
arch/arm/kernel/entry-common.S
View File

@ -418,11 +418,13 @@ ENDPROC(sys_clone_wrapper)
sys_sigreturn_wrapper:
add r0, sp, #S_OFF
mov why, #0 @ prevent syscall restart handling
b sys_sigreturn
ENDPROC(sys_sigreturn_wrapper)
sys_rt_sigreturn_wrapper:
add r0, sp, #S_OFF
mov why, #0 @ prevent syscall restart handling
b sys_rt_sigreturn
ENDPROC(sys_rt_sigreturn_wrapper)

3
arch/arm/mach-s3c64xx/dev-spi.c
View File

@ -18,10 +18,11 @@
#include <mach/map.h>
#include <mach/gpio-bank-c.h>
#include <mach/spi-clocks.h>
#include <mach/irqs.h>
#include <plat/s3c64xx-spi.h>
#include <plat/gpio-cfg.h>
#include <plat/irqs.h>
#include <plat/devs.h>
static char *spi_src_clks[] = {
[S3C64XX_SPI_SRCCLK_PCLK] = "pclk",

104
arch/arm/mach-s3c64xx/mach-real6410.c
View File

@ -30,73 +30,73 @@
#include <plat/devs.h>
#include <plat/regs-serial.h>
#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
static struct s3c2410_uartcfg real6410_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[3] = {
.hwport = 3,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
.hwport = 3,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
};
/* DM9000AEP 10/100 ethernet controller */
static struct resource real6410_dm9k_resource[] = {
[0] = {
.start = S3C64XX_PA_XM0CSN1,
.end = S3C64XX_PA_XM0CSN1 + 1,
.flags = IORESOURCE_MEM
},
[1] = {
.start = S3C64XX_PA_XM0CSN1 + 4,
.end = S3C64XX_PA_XM0CSN1 + 5,
.flags = IORESOURCE_MEM
},
[2] = {
.start = S3C_EINT(7),
.end = S3C_EINT(7),
.flags = IORESOURCE_IRQ,
}
[0] = {
.start = S3C64XX_PA_XM0CSN1,
.end = S3C64XX_PA_XM0CSN1 + 1,
.flags = IORESOURCE_MEM
},
[1] = {
.start = S3C64XX_PA_XM0CSN1 + 4,
.end = S3C64XX_PA_XM0CSN1 + 5,
.flags = IORESOURCE_MEM
},
[2] = {
.start = S3C_EINT(7),
.end = S3C_EINT(7),
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL
}
};
static struct dm9000_plat_data real6410_dm9k_pdata = {
.flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
.flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
};
static struct platform_device real6410_device_eth = {
.name = "dm9000",
.id = -1,
.num_resources = ARRAY_SIZE(real6410_dm9k_resource),
.resource = real6410_dm9k_resource,
.dev = {
.platform_data = &real6410_dm9k_pdata,
},
.name = "dm9000",
.id = -1,
.num_resources = ARRAY_SIZE(real6410_dm9k_resource),
.resource = real6410_dm9k_resource,
.dev = {
.platform_data = &real6410_dm9k_pdata,
},
};
static struct platform_device *real6410_devices[] __initdata = {
@ -129,12 +129,12 @@ static void __init real6410_machine_init(void)
/* set timing for nCS1 suitable for ethernet chip */
__raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
(6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
(4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
(1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
(13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
(4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
(0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
(6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
(4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
(1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
(13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
(4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
(0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
platform_add_devices(real6410_devices, ARRAY_SIZE(real6410_devices));
}

20
arch/arm/mach-s5pv210/clock.c
View File

@ -280,6 +280,24 @@ static struct clk init_clocks_disable[] = {
.parent = &clk_hclk_dsys.clk,
.enable = s5pv210_clk_ip0_ctrl,
.ctrlbit = (1<<29),
}, {
.name = "fimc",
.id = 0,
.parent = &clk_hclk_dsys.clk,
.enable = s5pv210_clk_ip0_ctrl,
.ctrlbit = (1 << 24),
}, {
.name = "fimc",
.id = 1,
.parent = &clk_hclk_dsys.clk,
.enable = s5pv210_clk_ip0_ctrl,
.ctrlbit = (1 << 25),
}, {
.name = "fimc",
.id = 2,
.parent = &clk_hclk_dsys.clk,
.enable = s5pv210_clk_ip0_ctrl,
.ctrlbit = (1 << 26),
}, {
.name = "otg",
.id = -1,
@ -357,7 +375,7 @@ static struct clk init_clocks_disable[] = {
.id = 1,
.parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<8),
.ctrlbit = (1 << 10),
}, {
.name = "i2c",
.id = 2,

2
arch/arm/mach-s5pv210/cpu.c
View File

@ -47,7 +47,7 @@ static struct map_desc s5pv210_iodesc[] __initdata = {
{
.virtual = (unsigned long)S5P_VA_SYSTIMER,
.pfn = __phys_to_pfn(S5PV210_PA_SYSTIMER),
.length = SZ_1M,
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)VA_VIC2,

9
arch/arm/plat-s5p/dev-fimc0.c
View File

@ -10,6 +10,7 @@
*/
#include <linux/kernel.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
@ -18,7 +19,7 @@
static struct resource s5p_fimc0_resource[] = {
[0] = {
.start = S5P_PA_FIMC0,
.end = S5P_PA_FIMC0 + SZ_1M - 1,
.end = S5P_PA_FIMC0 + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
@ -28,9 +29,15 @@ static struct resource s5p_fimc0_resource[] = {
},
};
static u64 s5p_fimc0_dma_mask = DMA_BIT_MASK(32);
struct platform_device s5p_device_fimc0 = {
.name = "s5p-fimc",
.id = 0,
.num_resources = ARRAY_SIZE(s5p_fimc0_resource),
.resource = s5p_fimc0_resource,
.dev = {
.dma_mask = &s5p_fimc0_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};

9
arch/arm/plat-s5p/dev-fimc1.c
View File

@ -10,6 +10,7 @@
*/
#include <linux/kernel.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
@ -18,7 +19,7 @@
static struct resource s5p_fimc1_resource[] = {
[0] = {
.start = S5P_PA_FIMC1,
.end = S5P_PA_FIMC1 + SZ_1M - 1,
.end = S5P_PA_FIMC1 + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
@ -28,9 +29,15 @@ static struct resource s5p_fimc1_resource[] = {
},
};
static u64 s5p_fimc1_dma_mask = DMA_BIT_MASK(32);
struct platform_device s5p_device_fimc1 = {
.name = "s5p-fimc",
.id = 1,
.num_resources = ARRAY_SIZE(s5p_fimc1_resource),
.resource = s5p_fimc1_resource,
.dev = {
.dma_mask = &s5p_fimc1_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};

9
arch/arm/plat-s5p/dev-fimc2.c
View File

@ -10,6 +10,7 @@
*/
#include <linux/kernel.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
@ -18,7 +19,7 @@
static struct resource s5p_fimc2_resource[] = {
[0] = {
.start = S5P_PA_FIMC2,
.end = S5P_PA_FIMC2 + SZ_1M - 1,
.end = S5P_PA_FIMC2 + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
@ -28,9 +29,15 @@ static struct resource s5p_fimc2_resource[] = {
},
};
static u64 s5p_fimc2_dma_mask = DMA_BIT_MASK(32);
struct platform_device s5p_device_fimc2 = {
.name = "s5p-fimc",
.id = 2,
.num_resources = ARRAY_SIZE(s5p_fimc2_resource),
.resource = s5p_fimc2_resource,
.dev = {
.dma_mask = &s5p_fimc2_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};

7
arch/arm/plat-samsung/gpio-config.c
View File

@ -273,13 +273,13 @@ s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin)
if (!chip)
return -EINVAL;
off = chip->chip.base - pin;
off = pin - chip->chip.base;
shift = off * 2;
reg = chip->base + 0x0C;
drvstr = __raw_readl(reg);
drvstr = 0xffff & (0x3 << shift);
drvstr = drvstr >> shift;
drvstr &= 0x3;
return (__force s5p_gpio_drvstr_t)drvstr;
}
@ -296,11 +296,12 @@ int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr)
if (!chip)
return -EINVAL;
off = chip->chip.base - pin;
off = pin - chip->chip.base;
shift = off * 2;
reg = chip->base + 0x0C;
tmp = __raw_readl(reg);
tmp &= ~(0x3 << shift);
tmp |= drvstr << shift;
__raw_writel(tmp, reg);

10
arch/arm/plat-samsung/include/plat/gpio-cfg.h
View File

@ -143,12 +143,12 @@ extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
/* Define values for the drvstr available for each gpio pin.
*
* These values control the value of the output signal driver strength,
* configurable on most pins on the S5C series.
* configurable on most pins on the S5P series.
*/
#define S5P_GPIO_DRVSTR_LV1 ((__force s5p_gpio_drvstr_t)0x00)
#define S5P_GPIO_DRVSTR_LV2 ((__force s5p_gpio_drvstr_t)0x01)
#define S5P_GPIO_DRVSTR_LV3 ((__force s5p_gpio_drvstr_t)0x10)
#define S5P_GPIO_DRVSTR_LV4 ((__force s5p_gpio_drvstr_t)0x11)
#define S5P_GPIO_DRVSTR_LV1 ((__force s5p_gpio_drvstr_t)0x0)
#define S5P_GPIO_DRVSTR_LV2 ((__force s5p_gpio_drvstr_t)0x2)
#define S5P_GPIO_DRVSTR_LV3 ((__force s5p_gpio_drvstr_t)0x1)
#define S5P_GPIO_DRVSTR_LV4 ((__force s5p_gpio_drvstr_t)0x3)
/**
* s5c_gpio_get_drvstr() - get the driver streght value of a gpio pin

51
arch/frv/kernel/signal.c
View File

@ -121,6 +121,9 @@ static int restore_sigcontext(struct sigcontext __user *sc, int *_gr8)
struct user_context *user = current->thread.user;
unsigned long tbr, psr;
/* Always make any pending restarted system calls return -EINTR */
current_thread_info()->restart_block.fn = do_no_restart_syscall;
tbr = user->i.tbr;
psr = user->i.psr;
if (copy_from_user(user, &sc->sc_context, sizeof(sc->sc_context)))
@ -250,6 +253,8 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
struct sigframe __user *frame;
int rsig;
set_fs(USER_DS);
frame = get_sigframe(ka, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
@ -293,22 +298,23 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
(unsigned long) (frame->retcode + 2));
}
/* set up registers for signal handler */
__frame->sp = (unsigned long) frame;
__frame->lr = (unsigned long) &frame->retcode;
__frame->gr8 = sig;
/* Set up registers for the signal handler */
if (current->personality & FDPIC_FUNCPTRS) {
struct fdpic_func_descriptor __user *funcptr =
(struct fdpic_func_descriptor __user *) ka->sa.sa_handler;
__get_user(__frame->pc, &funcptr->text);
__get_user(__frame->gr15, &funcptr->GOT);
struct fdpic_func_descriptor desc;
if (copy_from_user(&desc, funcptr, sizeof(desc)))
goto give_sigsegv;
__frame->pc = desc.text;
__frame->gr15 = desc.GOT;
} else {
__frame->pc = (unsigned long) ka->sa.sa_handler;
__frame->gr15 = 0;
}
set_fs(USER_DS);
__frame->sp = (unsigned long) frame;
__frame->lr = (unsigned long) &frame->retcode;
__frame->gr8 = sig;
/* the tracer may want to single-step inside the handler */
if (test_thread_flag(TIF_SINGLESTEP))
@ -323,7 +329,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
return 0;
give_sigsegv:
force_sig(SIGSEGV, current);
force_sigsegv(sig, current);
return -EFAULT;
} /* end setup_frame() */
@ -338,6 +344,8 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
struct rt_sigframe __user *frame;
int rsig;
set_fs(USER_DS);
frame = get_sigframe(ka, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
@ -392,22 +400,23 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
}
/* Set up registers for signal handler */
__frame->sp = (unsigned long) frame;
__frame->lr = (unsigned long) &frame->retcode;
__frame->gr8 = sig;
__frame->gr9 = (unsigned long) &frame->info;
if (current->personality & FDPIC_FUNCPTRS) {
struct fdpic_func_descriptor __user *funcptr =
(struct fdpic_func_descriptor __user *) ka->sa.sa_handler;
__get_user(__frame->pc, &funcptr->text);
__get_user(__frame->gr15, &funcptr->GOT);
struct fdpic_func_descriptor desc;
if (copy_from_user(&desc, funcptr, sizeof(desc)))
goto give_sigsegv;
__frame->pc = desc.text;
__frame->gr15 = desc.GOT;
} else {
__frame->pc = (unsigned long) ka->sa.sa_handler;
__frame->gr15 = 0;
}
set_fs(USER_DS);
__frame->sp = (unsigned long) frame;
__frame->lr = (unsigned long) &frame->retcode;
__frame->gr8 = sig;
__frame->gr9 = (unsigned long) &frame->info;
/* the tracer may want to single-step inside the handler */
if (test_thread_flag(TIF_SINGLESTEP))
@ -422,7 +431,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
return 0;
give_sigsegv:
force_sig(SIGSEGV, current);
force_sigsegv(sig, current);
return -EFAULT;
} /* end setup_rt_frame() */
@ -437,7 +446,7 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
int ret;
/* Are we from a system call? */
if (in_syscall(__frame)) {
if (__frame->syscallno != -1) {
/* If so, check system call restarting.. */
switch (__frame->gr8) {
case -ERESTART_RESTARTBLOCK:
@ -456,6 +465,7 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
__frame->gr8 = __frame->orig_gr8;
__frame->pc -= 4;
}
__frame->syscallno = -1;
}
/* Set up the stack frame */
@ -538,10 +548,11 @@ no_signal:
break;
case -ERESTART_RESTARTBLOCK:
__frame->gr8 = __NR_restart_syscall;
__frame->gr7 = __NR_restart_syscall;
__frame->pc -= 4;
break;
}
__frame->syscallno = -1;
}
/* if there's no signal to deliver, we just put the saved sigmask

2
arch/ia64/include/asm/compat.h
View File

@ -199,7 +199,7 @@ ptr_to_compat(void __user *uptr)
}
static __inline__ void __user *
compat_alloc_user_space (long len)
arch_compat_alloc_user_space (long len)
{
struct pt_regs *regs = task_pt_regs(current);
return (void __user *) (((regs->r12 & 0xffffffff) & -16) - len);

46
arch/ia64/kernel/fsys.S
View File

@ -420,34 +420,31 @@ EX(.fail_efault, ld8 r14=[r33]) // r14 <- *set
;;
RSM_PSR_I(p0, r18, r19) // mask interrupt delivery
mov ar.ccv=0
andcm r14=r14,r17 // filter out SIGKILL & SIGSTOP
mov r8=EINVAL // default to EINVAL
#ifdef CONFIG_SMP
// __ticket_spin_trylock(r31)
ld4 r17=[r31]
mov r8=EINVAL // default to EINVAL
;;
extr r9=r17,17,15
;;
xor r18=r17,r9
adds r19=1,r17
;;
extr.u r18=r18,0,15
;;
cmp.eq p0,p7=0,r18
(p7) br.cond.spnt.many .lock_contention
mov.m ar.ccv=r17
extr.u r9=r17,17,15
adds r19=1,r17
extr.u r18=r17,0,15
;;
cmpxchg4.acq r9=[r31],r19,ar.ccv
cmp.eq p6,p7=r9,r18
;;
(p6) cmpxchg4.acq r9=[r31],r19,ar.ccv
(p6) dep.z r20=r19,1,15 // next serving ticket for unlock
(p7) br.cond.spnt.many .lock_contention
;;
cmp4.eq p0,p7=r9,r17
adds r31=2,r31
(p7) br.cond.spnt.many .lock_contention
ld8 r3=[r2] // re-read current->blocked now that we hold the lock
;;
#else
ld8 r3=[r2] // re-read current->blocked now that we hold the lock
mov r8=EINVAL // default to EINVAL
#endif
add r18=IA64_TASK_PENDING_OFFSET+IA64_SIGPENDING_SIGNAL_OFFSET,r16
add r19=IA64_TASK_SIGNAL_OFFSET,r16
@ -503,16 +500,8 @@ EX(.fail_efault, ld8 r14=[r33]) // r14 <- *set
#ifdef CONFIG_SMP
// __ticket_spin_unlock(r31)
adds r31=2,r31
;;
ld2.bias r2=[r31]
mov r3=65534
;;
adds r2=2,r2
;;
and r3=r3,r2
;;
st2.rel [r31]=r3
st2.rel [r31]=r20
mov r20=0 // i must not leak kernel bits...
#endif
SSM_PSR_I(p0, p9, r31)
;;
@ -535,16 +524,7 @@ EX(.fail_efault, (p15) st8 [r34]=r3)
.sig_pending:
#ifdef CONFIG_SMP
// __ticket_spin_unlock(r31)
adds r31=2,r31
;;
ld2.bias r2=[r31]
mov r3=65534
;;
adds r2=2,r2
;;
and r3=r3,r2
;;
st2.rel [r31]=r3
st2.rel [r31]=r20 // release the lock
#endif
SSM_PSR_I(p0, p9, r17)
;;

2
arch/mips/include/asm/compat.h
View File

@ -145,7 +145,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
return (u32)(unsigned long)uptr;
}
static inline void __user *compat_alloc_user_space(long len)
static inline void __user *arch_compat_alloc_user_space(long len)
{
struct pt_regs *regs = (struct pt_regs *)
((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;

22
arch/mn10300/kernel/mn10300-serial.c
View File

@ -156,17 +156,17 @@ struct mn10300_serial_port mn10300_serial_port_sif0 = {
._intr = &SC0ICR,
._rxb = &SC0RXB,
._txb = &SC0TXB,
.rx_name = "ttySM0/Rx",
.tx_name = "ttySM0/Tx",
.rx_name = "ttySM0:Rx",
.tx_name = "ttySM0:Tx",
#ifdef CONFIG_MN10300_TTYSM0_TIMER8
.tm_name = "ttySM0/Timer8",
.tm_name = "ttySM0:Timer8",
._tmxmd = &TM8MD,
._tmxbr = &TM8BR,
._tmicr = &TM8ICR,
.tm_irq = TM8IRQ,
.div_timer = MNSCx_DIV_TIMER_16BIT,
#else /* CONFIG_MN10300_TTYSM0_TIMER2 */
.tm_name = "ttySM0/Timer2",
.tm_name = "ttySM0:Timer2",
._tmxmd = &TM2MD,
._tmxbr = (volatile u16 *) &TM2BR,
._tmicr = &TM2ICR,
@ -209,17 +209,17 @@ struct mn10300_serial_port mn10300_serial_port_sif1 = {
._intr = &SC1ICR,
._rxb = &SC1RXB,
._txb = &SC1TXB,
.rx_name = "ttySM1/Rx",
.tx_name = "ttySM1/Tx",
.rx_name = "ttySM1:Rx",
.tx_name = "ttySM1:Tx",
#ifdef CONFIG_MN10300_TTYSM1_TIMER9
.tm_name = "ttySM1/Timer9",
.tm_name = "ttySM1:Timer9",
._tmxmd = &TM9MD,
._tmxbr = &TM9BR,
._tmicr = &TM9ICR,
.tm_irq = TM9IRQ,
.div_timer = MNSCx_DIV_TIMER_16BIT,
#else /* CONFIG_MN10300_TTYSM1_TIMER3 */
.tm_name = "ttySM1/Timer3",
.tm_name = "ttySM1:Timer3",
._tmxmd = &TM3MD,
._tmxbr = (volatile u16 *) &TM3BR,
._tmicr = &TM3ICR,
@ -260,9 +260,9 @@ struct mn10300_serial_port mn10300_serial_port_sif2 = {
.uart.lock =
__SPIN_LOCK_UNLOCKED(mn10300_serial_port_sif2.uart.lock),
.name = "ttySM2",
.rx_name = "ttySM2/Rx",
.tx_name = "ttySM2/Tx",
.tm_name = "ttySM2/Timer10",
.rx_name = "ttySM2:Rx",
.tx_name = "ttySM2:Tx",
.tm_name = "ttySM2:Timer10",
._iobase = &SC2CTR,
._control = &SC2CTR,
._status = &SC2STR,

2
arch/parisc/include/asm/compat.h
View File

@ -147,7 +147,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
return (u32)(unsigned long)uptr;
}
static __inline__ void __user *compat_alloc_user_space(long len)
static __inline__ void __user *arch_compat_alloc_user_space(long len)
{
struct pt_regs *regs = &current->thread.regs;
return (void __user *)regs->gr[30];

2
arch/powerpc/include/asm/compat.h
View File

@ -134,7 +134,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
return (u32)(unsigned long)uptr;
}
static inline void __user *compat_alloc_user_space(long len)
static inline void __user *arch_compat_alloc_user_space(long len)
{
struct pt_regs *regs = current->thread.regs;
unsigned long usp = regs->gpr[1];

2
arch/s390/include/asm/compat.h
View File

@ -181,7 +181,7 @@ static inline int is_compat_task(void)
#endif
static inline void __user *compat_alloc_user_space(long len)
static inline void __user *arch_compat_alloc_user_space(long len)
{
unsigned long stack;

2
arch/sparc/include/asm/compat.h
View File

@ -167,7 +167,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
return (u32)(unsigned long)uptr;
}
static inline void __user *compat_alloc_user_space(long len)
static inline void __user *arch_compat_alloc_user_space(long len)
{
struct pt_regs *regs = current_thread_info()->kregs;
unsigned long usp = regs->u_regs[UREG_I6];

3
arch/tile/include/arch/chip_tile64.h
View File

@ -150,6 +150,9 @@
/** Is the PROC_STATUS SPR supported? */
#define CHIP_HAS_PROC_STATUS_SPR() 0
/** Is the DSTREAM_PF SPR supported? */
#define CHIP_HAS_DSTREAM_PF() 0
/** Log of the number of mshims we have. */
#define CHIP_LOG_NUM_MSHIMS() 2

3
arch/tile/include/arch/chip_tilepro.h
View File

@ -150,6 +150,9 @@
/** Is the PROC_STATUS SPR supported? */
#define CHIP_HAS_PROC_STATUS_SPR() 1
/** Is the DSTREAM_PF SPR supported? */
#define CHIP_HAS_DSTREAM_PF() 0
/** Log of the number of mshims we have. */
#define CHIP_LOG_NUM_MSHIMS() 2

7
arch/tile/include/asm/compat.h
View File

@ -195,7 +195,7 @@ static inline unsigned long ptr_to_compat_reg(void __user *uptr)
return (long)(int)(long __force)uptr;
}
static inline void __user *compat_alloc_user_space(long len)
static inline void __user *arch_compat_alloc_user_space(long len)
{
struct pt_regs *regs = task_pt_regs(current);
return (void __user *)regs->sp - len;
@ -214,8 +214,9 @@ extern int compat_setup_rt_frame(int sig, struct k_sigaction *ka,
struct compat_sigaction;
struct compat_siginfo;
struct compat_sigaltstack;
long compat_sys_execve(char __user *path, compat_uptr_t __user *argv,
compat_uptr_t __user *envp);
long compat_sys_execve(const char __user *path,
const compat_uptr_t __user *argv,
const compat_uptr_t __user *envp);
long compat_sys_rt_sigaction(int sig, struct compat_sigaction __user *act,
struct compat_sigaction __user *oact,
size_t sigsetsize);

8
arch/tile/include/asm/io.h
View File

@ -164,22 +164,22 @@ static inline void _tile_writeq(u64 val, unsigned long addr)
#define iowrite32 writel
#define iowrite64 writeq
static inline void *memcpy_fromio(void *dst, void *src, int len)
static inline void memcpy_fromio(void *dst, const volatile void __iomem *src,
size_t len)
{
int x;
BUG_ON((unsigned long)src & 0x3);
for (x = 0; x < len; x += 4)
*(u32 *)(dst + x) = readl(src + x);
return dst;
}
static inline void *memcpy_toio(void *dst, void *src, int len)
static inline void memcpy_toio(volatile void __iomem *dst, const void *src,
size_t len)
{
int x;
BUG_ON((unsigned long)dst & 0x3);
for (x = 0; x < len; x += 4)
writel(*(u32 *)(src + x), dst + x);
return dst;
}
/*

12
arch/tile/include/asm/processor.h
View File

@ -103,6 +103,18 @@ struct thread_struct {
/* Any other miscellaneous processor state bits */
unsigned long proc_status;
#endif
#if !CHIP_HAS_FIXED_INTVEC_BASE()
/* Interrupt base for PL0 interrupts */
unsigned long interrupt_vector_base;
#endif
#if CHIP_HAS_TILE_RTF_HWM()
/* Tile cache retry fifo high-water mark */
unsigned long tile_rtf_hwm;
#endif
#if CHIP_HAS_DSTREAM_PF()
/* Data stream prefetch control */
unsigned long dstream_pf;
#endif
#ifdef CONFIG_HARDWALL
/* Is this task tied to an activated hardwall? */
struct hardwall_info *hardwall;

15
arch/tile/include/asm/ptrace.h
View File

@ -51,10 +51,7 @@ typedef uint_reg_t pt_reg_t;
/*
* This struct defines the way the registers are stored on the stack during a
* system call/exception. It should be a multiple of 8 bytes to preserve
* normal stack alignment rules.
*
* Must track <sys/ucontext.h> and <sys/procfs.h>
* system call or exception. "struct sigcontext" has the same shape.
*/
struct pt_regs {
/* Saved main processor registers; 56..63 are special. */
@ -80,11 +77,6 @@ struct pt_regs {
#endif /* __ASSEMBLY__ */
/* Flag bits in pt_regs.flags */
#define PT_FLAGS_DISABLE_IRQ 1 /* on return to kernel, disable irqs */
#define PT_FLAGS_CALLER_SAVES 2 /* caller-save registers are valid */
#define PT_FLAGS_RESTORE_REGS 4 /* restore callee-save regs on return */
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14
@ -101,6 +93,11 @@ struct pt_regs {
#ifdef __KERNEL__
/* Flag bits in pt_regs.flags */
#define PT_FLAGS_DISABLE_IRQ 1 /* on return to kernel, disable irqs */
#define PT_FLAGS_CALLER_SAVES 2 /* caller-save registers are valid */
#define PT_FLAGS_RESTORE_REGS 4 /* restore callee-save regs on return */
#ifndef __ASSEMBLY__
#define instruction_pointer(regs) ((regs)->pc)

18
arch/tile/include/asm/sigcontext.h
View File

@ -15,13 +15,21 @@
#ifndef _ASM_TILE_SIGCONTEXT_H
#define _ASM_TILE_SIGCONTEXT_H
/* NOTE: we can't include <linux/ptrace.h> due to #include dependencies. */
#include <asm/ptrace.h>
/* Must track <sys/ucontext.h> */
#include <arch/abi.h>
/*
* struct sigcontext has the same shape as struct pt_regs,
* but is simplified since we know the fault is from userspace.
*/
struct sigcontext {
struct pt_regs regs;
uint_reg_t gregs[53]; /* General-purpose registers. */
uint_reg_t tp; /* Aliases gregs[TREG_TP]. */
uint_reg_t sp; /* Aliases gregs[TREG_SP]. */
uint_reg_t lr; /* Aliases gregs[TREG_LR]. */
uint_reg_t pc; /* Program counter. */
uint_reg_t ics; /* In Interrupt Critical Section? */
uint_reg_t faultnum; /* Fault number. */
uint_reg_t pad[5];
};
#endif /* _ASM_TILE_SIGCONTEXT_H */

1
arch/tile/include/asm/signal.h
View File

@ -24,6 +24,7 @@
#include <asm-generic/signal.h>
#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
struct pt_regs;
int restore_sigcontext(struct pt_regs *, struct sigcontext __user *, long *);
int setup_sigcontext(struct sigcontext __user *, struct pt_regs *);
void do_signal(struct pt_regs *regs);

21
arch/tile/include/asm/syscalls.h
View File

@ -62,10 +62,12 @@ long sys_fork(void);
long _sys_fork(struct pt_regs *regs);
long sys_vfork(void);
long _sys_vfork(struct pt_regs *regs);
long sys_execve(char __user *filename, char __user * __user *argv,
char __user * __user *envp);
long _sys_execve(char __user *filename, char __user * __user *argv,
char __user * __user *envp, struct pt_regs *regs);
long sys_execve(const char __user *filename,
const char __user *const __user *argv,
const char __user *const __user *envp);
long _sys_execve(const char __user *filename,
const char __user *const __user *argv,
const char __user *const __user *envp, struct pt_regs *regs);
/* kernel/signal.c */
long sys_sigaltstack(const stack_t __user *, stack_t __user *);
@ -86,10 +88,13 @@ int _sys_cmpxchg_badaddr(unsigned long address, struct pt_regs *);
#endif
#ifdef CONFIG_COMPAT
long compat_sys_execve(char __user *path, compat_uptr_t __user *argv,
compat_uptr_t __user *envp);
long _compat_sys_execve(char __user *path, compat_uptr_t __user *argv,
compat_uptr_t __user *envp, struct pt_regs *regs);
long compat_sys_execve(const char __user *path,
const compat_uptr_t __user *argv,
const compat_uptr_t __user *envp);
long _compat_sys_execve(const char __user *path,
const compat_uptr_t __user *argv,
const compat_uptr_t __user *envp,
struct pt_regs *regs);
long compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr,
struct compat_sigaltstack __user *uoss_ptr);
long _compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr,

30
arch/tile/kernel/process.c
View File

@ -408,6 +408,15 @@ static void save_arch_state(struct thread_struct *t)
#if CHIP_HAS_PROC_STATUS_SPR()
t->proc_status = __insn_mfspr(SPR_PROC_STATUS);
#endif
#if !CHIP_HAS_FIXED_INTVEC_BASE()
t->interrupt_vector_base = __insn_mfspr(SPR_INTERRUPT_VECTOR_BASE_0);
#endif
#if CHIP_HAS_TILE_RTF_HWM()
t->tile_rtf_hwm = __insn_mfspr(SPR_TILE_RTF_HWM);
#endif
#if CHIP_HAS_DSTREAM_PF()
t->dstream_pf = __insn_mfspr(SPR_DSTREAM_PF);
#endif
}
static void restore_arch_state(const struct thread_struct *t)
@ -428,14 +437,14 @@ static void restore_arch_state(const struct thread_struct *t)
#if CHIP_HAS_PROC_STATUS_SPR()
__insn_mtspr(SPR_PROC_STATUS, t->proc_status);
#endif
#if !CHIP_HAS_FIXED_INTVEC_BASE()
__insn_mtspr(SPR_INTERRUPT_VECTOR_BASE_0, t->interrupt_vector_base);
#endif
#if CHIP_HAS_TILE_RTF_HWM()
/*
* Clear this whenever we switch back to a process in case
* the previous process was monkeying with it. Even if enabled
* in CBOX_MSR1 via TILE_RTF_HWM_MIN, it's still just a
* performance hint, so isn't worth a full save/restore.
*/
__insn_mtspr(SPR_TILE_RTF_HWM, 0);
__insn_mtspr(SPR_TILE_RTF_HWM, t->tile_rtf_hwm);
#endif
#if CHIP_HAS_DSTREAM_PF()
__insn_mtspr(SPR_DSTREAM_PF, t->dstream_pf);
#endif
}
@ -561,8 +570,9 @@ out:
}
#ifdef CONFIG_COMPAT
long _compat_sys_execve(char __user *path, compat_uptr_t __user *argv,
compat_uptr_t __user *envp, struct pt_regs *regs)
long _compat_sys_execve(const char __user *path,
const compat_uptr_t __user *argv,
const compat_uptr_t __user *envp, struct pt_regs *regs)
{
long error;
char *filename;
@ -657,7 +667,7 @@ void show_regs(struct pt_regs *regs)
regs->regs[51], regs->regs[52], regs->tp);
pr_err(" sp : "REGFMT" lr : "REGFMT"\n", regs->sp, regs->lr);
#else
for (i = 0; i < 52; i += 3)
for (i = 0; i < 52; i += 4)
pr_err(" r%-2d: "REGFMT" r%-2d: "REGFMT
" r%-2d: "REGFMT" r%-2d: "REGFMT"\n",
i, regs->regs[i], i+1, regs->regs[i+1],

27
arch/tile/kernel/signal.c
View File

@ -61,13 +61,19 @@ int restore_sigcontext(struct pt_regs *regs,
/* Always make any pending restarted system calls return -EINTR */
current_thread_info()->restart_block.fn = do_no_restart_syscall;
/*
* Enforce that sigcontext is like pt_regs, and doesn't mess
* up our stack alignment rules.
*/
BUILD_BUG_ON(sizeof(struct sigcontext) != sizeof(struct pt_regs));
BUILD_BUG_ON(sizeof(struct sigcontext) % 8 != 0);
for (i = 0; i < sizeof(struct pt_regs)/sizeof(long); ++i)
err |= __get_user(((long *)regs)[i],
&((long __user *)(&sc->regs))[i]);
err |= __get_user(regs->regs[i], &sc->gregs[i]);
regs->faultnum = INT_SWINT_1_SIGRETURN;
err |= __get_user(*pr0, &sc->regs.regs[0]);
err |= __get_user(*pr0, &sc->gregs[0]);
return err;
}
@ -112,8 +118,7 @@ int setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs)
int i, err = 0;
for (i = 0; i < sizeof(struct pt_regs)/sizeof(long); ++i)
err |= __put_user(((long *)regs)[i],
&((long __user *)(&sc->regs))[i]);
err |= __put_user(regs->regs[i], &sc->gregs[i]);
return err;
}
@ -203,19 +208,17 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
* Set up registers for signal handler.
* Registers that we don't modify keep the value they had from
* user-space at the time we took the signal.
* We always pass siginfo and mcontext, regardless of SA_SIGINFO,
* since some things rely on this (e.g. glibc's debug/segfault.c).
*/
regs->pc = (unsigned long) ka->sa.sa_handler;
regs->ex1 = PL_ICS_EX1(USER_PL, 1); /* set crit sec in handler */
regs->sp = (unsigned long) frame;
regs->lr = restorer;
regs->regs[0] = (unsigned long) usig;
if (ka->sa.sa_flags & SA_SIGINFO) {
/* Need extra arguments, so mark to restore caller-saves. */
regs->regs[1] = (unsigned long) &frame->info;
regs->regs[2] = (unsigned long) &frame->uc;
regs->flags |= PT_FLAGS_CALLER_SAVES;
}
regs->regs[1] = (unsigned long) &frame->info;
regs->regs[2] = (unsigned long) &frame->uc;
regs->flags |= PT_FLAGS_CALLER_SAVES;
/*
* Notify any tracer that was single-stepping it.

2
arch/tile/kernel/stack.c
View File

@ -175,7 +175,7 @@ static struct pt_regs *valid_sigframe(struct KBacktraceIterator* kbt)
pr_err(" <received signal %d>\n",
frame->info.si_signo);
}
return &frame->uc.uc_mcontext.regs;
return (struct pt_regs *)&frame->uc.uc_mcontext;
}
return NULL;
}

2
arch/x86/Makefile
View File

@ -74,7 +74,7 @@ endif
ifdef CONFIG_CC_STACKPROTECTOR
cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(biarch)),y)
ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(KBUILD_CPPFLAGS) $(biarch)),y)
stackp-y := -fstack-protector
KBUILD_CFLAGS += $(stackp-y)
else

22
arch/x86/ia32/ia32entry.S
View File

@ -50,7 +50,12 @@
/*
* Reload arg registers from stack in case ptrace changed them.
* We don't reload %eax because syscall_trace_enter() returned
* the value it wants us to use in the table lookup.
* the %rax value we should see. Instead, we just truncate that
* value to 32 bits again as we did on entry from user mode.
* If it's a new value set by user_regset during entry tracing,
* this matches the normal truncation of the user-mode value.
* If it's -1 to make us punt the syscall, then (u32)-1 is still
* an appropriately invalid value.
*/
.macro LOAD_ARGS32 offset, _r9=0
.if \_r9
@ -60,6 +65,7 @@
movl \offset+48(%rsp),%edx
movl \offset+56(%rsp),%esi
movl \offset+64(%rsp),%edi
movl %eax,%eax /* zero extension */
.endm
.macro CFI_STARTPROC32 simple
@ -153,7 +159,7 @@ ENTRY(ia32_sysenter_target)
testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
CFI_REMEMBER_STATE
jnz sysenter_tracesys
cmpl $(IA32_NR_syscalls-1),%eax
cmpq $(IA32_NR_syscalls-1),%rax
ja ia32_badsys
sysenter_do_call:
IA32_ARG_FIXUP
@ -195,7 +201,7 @@ sysexit_from_sys_call:
movl $AUDIT_ARCH_I386,%edi /* 1st arg: audit arch */
call audit_syscall_entry
movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall number */
cmpl $(IA32_NR_syscalls-1),%eax
cmpq $(IA32_NR_syscalls-1),%rax
ja ia32_badsys
movl %ebx,%edi /* reload 1st syscall arg */
movl RCX-ARGOFFSET(%rsp),%esi /* reload 2nd syscall arg */
@ -248,7 +254,7 @@ sysenter_tracesys:
call syscall_trace_enter
LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
RESTORE_REST
cmpl $(IA32_NR_syscalls-1),%eax
cmpq $(IA32_NR_syscalls-1),%rax
ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */
jmp sysenter_do_call
CFI_ENDPROC
@ -314,7 +320,7 @@ ENTRY(ia32_cstar_target)
testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
CFI_REMEMBER_STATE
jnz cstar_tracesys
cmpl $IA32_NR_syscalls-1,%eax
cmpq $IA32_NR_syscalls-1,%rax
ja ia32_badsys
cstar_do_call:
IA32_ARG_FIXUP 1
@ -367,7 +373,7 @@ cstar_tracesys:
LOAD_ARGS32 ARGOFFSET, 1 /* reload args from stack in case ptrace changed it */
RESTORE_REST
xchgl %ebp,%r9d
cmpl $(IA32_NR_syscalls-1),%eax
cmpq $(IA32_NR_syscalls-1),%rax
ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
jmp cstar_do_call
END(ia32_cstar_target)
@ -425,7 +431,7 @@ ENTRY(ia32_syscall)
orl $TS_COMPAT,TI_status(%r10)
testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
jnz ia32_tracesys
cmpl $(IA32_NR_syscalls-1),%eax
cmpq $(IA32_NR_syscalls-1),%rax
ja ia32_badsys
ia32_do_call:
IA32_ARG_FIXUP
@ -444,7 +450,7 @@ ia32_tracesys:
call syscall_trace_enter
LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
RESTORE_REST
cmpl $(IA32_NR_syscalls-1),%eax
cmpq $(IA32_NR_syscalls-1),%rax
ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
jmp ia32_do_call
END(ia32_syscall)

2
arch/x86/include/asm/compat.h
View File

@ -205,7 +205,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
return (u32)(unsigned long)uptr;
}
static inline void __user *compat_alloc_user_space(long len)
static inline void __user *arch_compat_alloc_user_space(long len)
{
struct pt_regs *regs = task_pt_regs(current);
return (void __user *)regs->sp - len;

4
arch/x86/include/asm/cpufeature.h
View File

@ -296,6 +296,7 @@ extern const char * const x86_power_flags[32];
#endif /* CONFIG_X86_64 */
#if __GNUC__ >= 4
/*
* Static testing of CPU features. Used the same as boot_cpu_has().
* These are only valid after alternatives have run, but will statically
@ -304,7 +305,7 @@ extern const char * const x86_power_flags[32];
*/
static __always_inline __pure bool __static_cpu_has(u16 bit)
{
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
#if __GNUC__ > 4 || __GNUC_MINOR__ >= 5
asm goto("1: jmp %l[t_no]\n"
"2:\n"
".section .altinstructions,\"a\"\n"
@ -345,7 +346,6 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
#endif
}
#if __GNUC__ >= 4
#define static_cpu_has(bit) \
( \
__builtin_constant_p(boot_cpu_has(bit)) ? \

1
arch/x86/include/asm/hpet.h
View File

@ -68,7 +68,6 @@ extern unsigned long force_hpet_address;
extern u8 hpet_blockid;
extern int hpet_force_user;
extern u8 hpet_msi_disable;
extern u8 hpet_readback_cmp;
extern int is_hpet_enabled(void);
extern int hpet_enable(void);
extern void hpet_disable(void);

6
arch/x86/kernel/apic/x2apic_uv_x.c
View File

@ -698,9 +698,11 @@ void __init uv_system_init(void)
for (j = 0; j < 64; j++) {
if (!test_bit(j, &present))
continue;
uv_blade_info[blade].pnode = (i * 64 + j);
pnode = (i * 64 + j);
uv_blade_info[blade].pnode = pnode;
uv_blade_info[blade].nr_possible_cpus = 0;
uv_blade_info[blade].nr_online_cpus = 0;
max_pnode = max(pnode, max_pnode);
blade++;
}
}
@ -738,7 +740,6 @@ void __init uv_system_init(void)
uv_cpu_hub_info(cpu)->scir.offset = uv_scir_offset(apicid);
uv_node_to_blade[nid] = blade;
uv_cpu_to_blade[cpu] = blade;
max_pnode = max(pnode, max_pnode);
}
/* Add blade/pnode info for nodes without cpus */
@ -750,7 +751,6 @@ void __init uv_system_init(void)
pnode = (paddr >> m_val) & pnode_mask;
blade = boot_pnode_to_blade(pnode);
uv_node_to_blade[nid] = blade;
max_pnode = max(pnode, max_pnode);
}
map_gru_high(max_pnode);

18
arch/x86/kernel/early-quirks.c
View File

@ -18,7 +18,6 @@
#include <asm/apic.h>
#include <asm/iommu.h>
#include <asm/gart.h>
#include <asm/hpet.h>
static void __init fix_hypertransport_config(int num, int slot, int func)
{
@ -192,21 +191,6 @@ static void __init ati_bugs_contd(int num, int slot, int func)
}
#endif
/*
* Force the read back of the CMP register in hpet_next_event()
* to work around the problem that the CMP register write seems to be
* delayed. See hpet_next_event() for details.
*
* We do this on all SMBUS incarnations for now until we have more
* information about the affected chipsets.
*/
static void __init ati_hpet_bugs(int num, int slot, int func)
{
#ifdef CONFIG_HPET_TIMER
hpet_readback_cmp = 1;
#endif
}
#define QFLAG_APPLY_ONCE 0x1
#define QFLAG_APPLIED 0x2
#define QFLAG_DONE (QFLAG_APPLY_ONCE|QFLAG_APPLIED)
@ -236,8 +220,6 @@ static struct chipset early_qrk[] __initdata = {
PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs },
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS,
PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs_contd },
{ PCI_VENDOR_ID_ATI, PCI_ANY_ID,
PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_hpet_bugs },
{}
};

31
arch/x86/kernel/hpet.c
View File

@ -35,7 +35,6 @@
unsigned long hpet_address;
u8 hpet_blockid; /* OS timer block num */
u8 hpet_msi_disable;
u8 hpet_readback_cmp;
#ifdef CONFIG_PCI_MSI
static unsigned long hpet_num_timers;
@ -395,23 +394,27 @@ static int hpet_next_event(unsigned long delta,
* at that point and we would wait for the next hpet interrupt
* forever. We found out that reading the CMP register back
* forces the transfer so we can rely on the comparison with
* the counter register below.
* the counter register below. If the read back from the
* compare register does not match the value we programmed
* then we might have a real hardware problem. We can not do
* much about it here, but at least alert the user/admin with
* a prominent warning.
*
* That works fine on those ATI chipsets, but on newer Intel
* chipsets (ICH9...) this triggers due to an erratum: Reading
* the comparator immediately following a write is returning
* the old value.
* An erratum on some chipsets (ICH9,..), results in
* comparator read immediately following a write returning old
* value. Workaround for this is to read this value second
* time, when first read returns old value.
*
* We restrict the read back to the affected ATI chipsets (set
* by quirks) and also run it with hpet=verbose for debugging
* purposes.
* In fact the write to the comparator register is delayed up
* to two HPET cycles so the workaround we tried to restrict
* the readback to those known to be borked ATI chipsets
* failed miserably. So we give up on optimizations forever
* and penalize all HPET incarnations unconditionally.
*/
if (hpet_readback_cmp || hpet_verbose) {
u32 cmp = hpet_readl(HPET_Tn_CMP(timer));
if (cmp != cnt)
if (unlikely((u32)hpet_readl(HPET_Tn_CMP(timer)) != cnt)) {
if (hpet_readl(HPET_Tn_CMP(timer)) != cnt)
printk_once(KERN_WARNING
"hpet: compare register read back failed.\n");
"hpet: compare register read back failed.\n");
}
return (s32)(hpet_readl(HPET_COUNTER) - cnt) >= 0 ? -ETIME : 0;

2
drivers/Makefile
View File

@ -50,7 +50,7 @@ obj-$(CONFIG_SPI) += spi/
obj-y += net/
obj-$(CONFIG_ATM) += atm/
obj-$(CONFIG_FUSION) += message/
obj-$(CONFIG_FIREWIRE) += firewire/
obj-y += firewire/
obj-y += ieee1394/
obj-$(CONFIG_UIO) += uio/
obj-y += cdrom/

85
drivers/dca/dca-core.c
View File

@ -39,6 +39,10 @@ static DEFINE_SPINLOCK(dca_lock);
static LIST_HEAD(dca_domains);
static BLOCKING_NOTIFIER_HEAD(dca_provider_chain);
static int dca_providers_blocked;
static struct pci_bus *dca_pci_rc_from_dev(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
@ -70,6 +74,60 @@ static void dca_free_domain(struct dca_domain *domain)
kfree(domain);
}
static int dca_provider_ioat_ver_3_0(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
return ((pdev->vendor == PCI_VENDOR_ID_INTEL) &&
((pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG0) ||
(pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG1) ||
(pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG2) ||
(pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG3) ||
(pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG4) ||
(pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG5) ||
(pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG6) ||
(pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG7)));
}
static void unregister_dca_providers(void)
{
struct dca_provider *dca, *_dca;
struct list_head unregistered_providers;
struct dca_domain *domain;
unsigned long flags;
blocking_notifier_call_chain(&dca_provider_chain,
DCA_PROVIDER_REMOVE, NULL);
INIT_LIST_HEAD(&unregistered_providers);
spin_lock_irqsave(&dca_lock, flags);
if (list_empty(&dca_domains)) {
spin_unlock_irqrestore(&dca_lock, flags);
return;
}
/* at this point only one domain in the list is expected */
domain = list_first_entry(&dca_domains, struct dca_domain, node);
if (!domain)
return;
list_for_each_entry_safe(dca, _dca, &domain->dca_providers, node) {
list_del(&dca->node);
list_add(&dca->node, &unregistered_providers);
}
dca_free_domain(domain);
spin_unlock_irqrestore(&dca_lock, flags);
list_for_each_entry_safe(dca, _dca, &unregistered_providers, node) {
dca_sysfs_remove_provider(dca);
list_del(&dca->node);
}
}
static struct dca_domain *dca_find_domain(struct pci_bus *rc)
{
struct dca_domain *domain;
@ -90,9 +148,13 @@ static struct dca_domain *dca_get_domain(struct device *dev)
domain = dca_find_domain(rc);
if (!domain) {
domain = dca_allocate_domain(rc);
if (domain)
list_add(&domain->node, &dca_domains);
if (dca_provider_ioat_ver_3_0(dev) && !list_empty(&dca_domains)) {
dca_providers_blocked = 1;
} else {
domain = dca_allocate_domain(rc);
if (domain)
list_add(&domain->node, &dca_domains);
}
}
return domain;
@ -293,8 +355,6 @@ void free_dca_provider(struct dca_provider *dca)
}
EXPORT_SYMBOL_GPL(free_dca_provider);
static BLOCKING_NOTIFIER_HEAD(dca_provider_chain);
/**
* register_dca_provider - register a dca provider
* @dca - struct created by alloc_dca_provider()
@ -306,6 +366,13 @@ int register_dca_provider(struct dca_provider *dca, struct device *dev)
unsigned long flags;
struct dca_domain *domain;
spin_lock_irqsave(&dca_lock, flags);
if (dca_providers_blocked) {
spin_unlock_irqrestore(&dca_lock, flags);
return -ENODEV;
}
spin_unlock_irqrestore(&dca_lock, flags);
err = dca_sysfs_add_provider(dca, dev);
if (err)
return err;
@ -313,7 +380,13 @@ int register_dca_provider(struct dca_provider *dca, struct device *dev)
spin_lock_irqsave(&dca_lock, flags);
domain = dca_get_domain(dev);
if (!domain) {
spin_unlock_irqrestore(&dca_lock, flags);
if (dca_providers_blocked) {
spin_unlock_irqrestore(&dca_lock, flags);
dca_sysfs_remove_provider(dca);
unregister_dca_providers();
} else {
spin_unlock_irqrestore(&dca_lock, flags);
}
return -ENODEV;
}
list_add(&dca->node, &domain->dca_providers);

1
drivers/firewire/ohci.c
View File

@ -263,6 +263,7 @@ static const struct {
{PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB38X_FW, QUIRK_NO_MSI},
{PCI_VENDOR_ID_NEC, PCI_ANY_ID, QUIRK_CYCLE_TIMER},
{PCI_VENDOR_ID_VIA, PCI_ANY_ID, QUIRK_CYCLE_TIMER},
{PCI_VENDOR_ID_RICOH, PCI_ANY_ID, QUIRK_CYCLE_TIMER},
{PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_UNI_N_FW, QUIRK_BE_HEADERS},
};

10
drivers/gpu/drm/drm_crtc_helper.c
View File

@ -103,8 +103,8 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
if (connector->funcs->force)
connector->funcs->force(connector);
} else {
connector->status = connector->funcs->detect(connector);
drm_helper_hpd_irq_event(dev);
connector->status = connector->funcs->detect(connector, true);
drm_kms_helper_poll_enable(dev);
}
if (connector->status == connector_status_disconnected) {
@ -637,13 +637,13 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
mode_changed = true;
if (mode_changed) {
old_fb = set->crtc->fb;
set->crtc->fb = set->fb;
set->crtc->enabled = (set->mode != NULL);
if (set->mode != NULL) {
DRM_DEBUG_KMS("attempting to set mode from"
" userspace\n");
drm_mode_debug_printmodeline(set->mode);
old_fb = set->crtc->fb;
set->crtc->fb = set->fb;
if (!drm_crtc_helper_set_mode(set->crtc, set->mode,
set->x, set->y,
old_fb)) {
@ -866,7 +866,7 @@ static void output_poll_execute(struct work_struct *work)
!(connector->polled & DRM_CONNECTOR_POLL_HPD))
continue;
status = connector->funcs->detect(connector);
status = connector->funcs->detect(connector, false);
if (old_status != status)
changed = true;
}

4
drivers/gpu/drm/drm_pci.c
View File

@ -164,6 +164,8 @@ int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
dev->hose = pdev->sysdata;
#endif
mutex_lock(&drm_global_mutex);
if ((ret = drm_fill_in_dev(dev, ent, driver))) {
printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
goto err_g2;
@ -199,6 +201,7 @@ int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
driver->name, driver->major, driver->minor, driver->patchlevel,
driver->date, pci_name(pdev), dev->primary->index);
mutex_unlock(&drm_global_mutex);
return 0;
err_g4:
@ -210,6 +213,7 @@ err_g2:
pci_disable_device(pdev);
err_g1:
kfree(dev);
mutex_unlock(&drm_global_mutex);
return ret;
}
EXPORT_SYMBOL(drm_get_pci_dev);

5
drivers/gpu/drm/drm_platform.c
View File

@ -53,6 +53,8 @@ int drm_get_platform_dev(struct platform_device *platdev,
dev->platformdev = platdev;
dev->dev = &platdev->dev;
mutex_lock(&drm_global_mutex);
ret = drm_fill_in_dev(dev, NULL, driver);
if (ret) {
@ -87,6 +89,8 @@ int drm_get_platform_dev(struct platform_device *platdev,
list_add_tail(&dev->driver_item, &driver->device_list);
mutex_unlock(&drm_global_mutex);
DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
driver->name, driver->major, driver->minor, driver->patchlevel,
driver->date, dev->primary->index);
@ -100,6 +104,7 @@ err_g2:
drm_put_minor(&dev->control);
err_g1:
kfree(dev);
mutex_unlock(&drm_global_mutex);
return ret;
}
EXPORT_SYMBOL(drm_get_platform_dev);

2
drivers/gpu/drm/drm_sysfs.c
View File

@ -159,7 +159,7 @@ static ssize_t status_show(struct device *device,
struct drm_connector *connector = to_drm_connector(device);
enum drm_connector_status status;
status = connector->funcs->detect(connector);
status = connector->funcs->detect(connector, true);
return snprintf(buf, PAGE_SIZE, "%s\n",
drm_get_connector_status_name(status));
}

6
drivers/gpu/drm/i915/intel_crt.c
View File

@ -400,7 +400,8 @@ intel_crt_load_detect(struct drm_crtc *crtc, struct intel_encoder *intel_encoder
return status;
}
static enum drm_connector_status intel_crt_detect(struct drm_connector *connector)
static enum drm_connector_status
intel_crt_detect(struct drm_connector *connector, bool force)
{
struct drm_device *dev = connector->dev;
struct drm_encoder *encoder = intel_attached_encoder(connector);
@ -419,6 +420,9 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto
if (intel_crt_detect_ddc(encoder))
return connector_status_connected;
if (!force)
return connector->status;
/* for pre-945g platforms use load detect */
if (encoder->crtc && encoder->crtc->enabled) {
status = intel_crt_load_detect(encoder->crtc, intel_encoder);

2
drivers/gpu/drm/i915/intel_dp.c
View File

@ -1386,7 +1386,7 @@ ironlake_dp_detect(struct drm_connector *connector)
* \return false if DP port is disconnected.
*/
static enum drm_connector_status
intel_dp_detect(struct drm_connector *connector)
intel_dp_detect(struct drm_connector *connector, bool force)
{
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);

3
drivers/gpu/drm/i915/intel_dvo.c
View File

@ -221,7 +221,8 @@ static void intel_dvo_mode_set(struct drm_encoder *encoder,
*
* Unimplemented.
*/
static enum drm_connector_status intel_dvo_detect(struct drm_connector *connector)
static enum drm_connector_status
intel_dvo_detect(struct drm_connector *connector, bool force)
{
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder);

2
drivers/gpu/drm/i915/intel_hdmi.c
View File

@ -139,7 +139,7 @@ static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder,
}
static enum drm_connector_status
intel_hdmi_detect(struct drm_connector *connector)
intel_hdmi_detect(struct drm_connector *connector, bool force)
{
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);

7
drivers/gpu/drm/i915/intel_lvds.c
View File

@ -445,7 +445,8 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder,
* connected and closed means disconnected. We also send hotplug events as
* needed, using lid status notification from the input layer.
*/
static enum drm_connector_status intel_lvds_detect(struct drm_connector *connector)
static enum drm_connector_status
intel_lvds_detect(struct drm_connector *connector, bool force)
{
struct drm_device *dev = connector->dev;
enum drm_connector_status status = connector_status_connected;
@ -540,7 +541,9 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
* the LID nofication event.
*/
if (connector)
connector->status = connector->funcs->detect(connector);
connector->status = connector->funcs->detect(connector,
false);
/* Don't force modeset on machines where it causes a GPU lockup */
if (dmi_check_system(intel_no_modeset_on_lid))
return NOTIFY_OK;

5
drivers/gpu/drm/i915/intel_sdvo.c
View File

@ -1417,7 +1417,7 @@ intel_analog_is_connected(struct drm_device *dev)
if (!analog_connector)
return false;
if (analog_connector->funcs->detect(analog_connector) ==
if (analog_connector->funcs->detect(analog_connector, false) ==
connector_status_disconnected)
return false;
@ -1486,7 +1486,8 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
return status;
}
static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connector)
static enum drm_connector_status
intel_sdvo_detect(struct drm_connector *connector, bool force)
{
uint16_t response;
struct drm_encoder *encoder = intel_attached_encoder(connector);

11
drivers/gpu/drm/i915/intel_tv.c
View File

@ -1341,7 +1341,7 @@ static void intel_tv_find_better_format(struct drm_connector *connector)
* we have a pipe programmed in order to probe the TV.
*/
static enum drm_connector_status
intel_tv_detect(struct drm_connector *connector)
intel_tv_detect(struct drm_connector *connector, bool force)
{
struct drm_display_mode mode;
struct drm_encoder *encoder = intel_attached_encoder(connector);
@ -1353,7 +1353,7 @@ intel_tv_detect(struct drm_connector *connector)
if (encoder->crtc && encoder->crtc->enabled) {
type = intel_tv_detect_type(intel_tv);
} else {
} else if (force) {
struct drm_crtc *crtc;
int dpms_mode;
@ -1364,10 +1364,9 @@ intel_tv_detect(struct drm_connector *connector)
intel_release_load_detect_pipe(&intel_tv->base, connector,
dpms_mode);
} else
type = -1;
}
intel_tv->type = type;
return connector_status_unknown;
} else
return connector->status;
if (type < 0)
return connector_status_disconnected;

6
drivers/gpu/drm/nouveau/nouveau_connector.c
View File

@ -168,7 +168,7 @@ nouveau_connector_set_encoder(struct drm_connector *connector,
}
static enum drm_connector_status
nouveau_connector_detect(struct drm_connector *connector)
nouveau_connector_detect(struct drm_connector *connector, bool force)
{
struct drm_device *dev = connector->dev;
struct nouveau_connector *nv_connector = nouveau_connector(connector);
@ -246,7 +246,7 @@ detect_analog:
}
static enum drm_connector_status
nouveau_connector_detect_lvds(struct drm_connector *connector)
nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
{
struct drm_device *dev = connector->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
@ -267,7 +267,7 @@ nouveau_connector_detect_lvds(struct drm_connector *connector)
/* Try retrieving EDID via DDC */
if (!dev_priv->vbios.fp_no_ddc) {
status = nouveau_connector_detect(connector);
status = nouveau_connector_detect(connector, force);
if (status == connector_status_connected)
goto out;
}

5
drivers/gpu/drm/radeon/atombios_crtc.c
View File

@ -539,14 +539,15 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
pll->algo = PLL_ALGO_LEGACY;
pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
}
/* There is some evidence (often anecdotal) that RV515 LVDS
/* There is some evidence (often anecdotal) that RV515/RV620 LVDS
* (on some boards at least) prefers the legacy algo. I'm not
* sure whether this should handled generically or on a
* case-by-case quirk basis. Both algos should work fine in the
* majority of cases.
*/
if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) &&
(rdev->family == CHIP_RV515)) {
((rdev->family == CHIP_RV515) ||
(rdev->family == CHIP_RV620))) {
/* allow the user to overrride just in case */
if (radeon_new_pll == 1)
pll->algo = PLL_ALGO_NEW;

27
drivers/gpu/drm/radeon/evergreen.c
View File

@ -1160,14 +1160,25 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
EVERGREEN_MAX_BACKENDS_MASK));
break;
}
} else
gb_backend_map =
evergreen_get_tile_pipe_to_backend_map(rdev,
rdev->config.evergreen.max_tile_pipes,
rdev->config.evergreen.max_backends,
((EVERGREEN_MAX_BACKENDS_MASK <<
rdev->config.evergreen.max_backends) &
EVERGREEN_MAX_BACKENDS_MASK));
} else {
switch (rdev->family) {
case CHIP_CYPRESS:
case CHIP_HEMLOCK:
gb_backend_map = 0x66442200;
break;
case CHIP_JUNIPER:
gb_backend_map = 0x00006420;
break;
default:
gb_backend_map =
evergreen_get_tile_pipe_to_backend_map(rdev,
rdev->config.evergreen.max_tile_pipes,
rdev->config.evergreen.max_backends,
((EVERGREEN_MAX_BACKENDS_MASK <<
rdev->config.evergreen.max_backends) &
EVERGREEN_MAX_BACKENDS_MASK));
}
}
rdev->config.evergreen.tile_config = gb_addr_config;
WREG32(GB_BACKEND_MAP, gb_backend_map);

24
drivers/gpu/drm/radeon/r100.c
View File

@ -2020,18 +2020,7 @@ bool r100_gpu_cp_is_lockup(struct radeon_device *rdev, struct r100_gpu_lockup *l
return false;
}
elapsed = jiffies_to_msecs(cjiffies - lockup->last_jiffies);
if (elapsed >= 3000) {
/* very likely the improbable case where current
* rptr is equal to last recorded, a while ago, rptr
* this is more likely a false positive update tracking
* information which should force us to be recall at
* latter point
*/
lockup->last_cp_rptr = cp->rptr;
lockup->last_jiffies = jiffies;
return false;
}
if (elapsed >= 1000) {
if (elapsed >= 10000) {
dev_err(rdev->dev, "GPU lockup CP stall for more than %lumsec\n", elapsed);
return true;
}
@ -3308,13 +3297,14 @@ int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
unsigned long size;
unsigned prim_walk;
unsigned nverts;
unsigned num_cb = track->num_cb;
for (i = 0; i < track->num_cb; i++) {
if (!track->zb_cb_clear && !track->color_channel_mask &&
!track->blend_read_enable)
num_cb = 0;
for (i = 0; i < num_cb; i++) {
if (track->cb[i].robj == NULL) {
if (!(track->zb_cb_clear || track->color_channel_mask ||
track->blend_read_enable)) {
continue;
}
DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
return -EINVAL;
}

25
drivers/gpu/drm/radeon/r600_blit_kms.c
View File

@ -1,3 +1,28 @@
/*
* Copyright 2009 Advanced Micro Devices, Inc.
* Copyright 2009 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
#include "drmP.h"
#include "drm.h"
#include "radeon_drm.h"

24
drivers/gpu/drm/radeon/r600_blit_shaders.h
View File

@ -1,3 +1,27 @@
/*
* Copyright 2009 Advanced Micro Devices, Inc.
* Copyright 2009 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
#ifndef R600_BLIT_SHADERS_H
#define R600_BLIT_SHADERS_H

5
drivers/gpu/drm/radeon/r600_cs.c
View File

@ -1170,9 +1170,8 @@ static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 i
/* using get ib will give us the offset into the mipmap bo */
word0 = radeon_get_ib_value(p, idx + 3) << 8;
if ((mipmap_size + word0) > radeon_bo_size(mipmap)) {
dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
w0, h0, bpe, blevel, nlevels, word0, mipmap_size, radeon_bo_size(texture));
return -EINVAL;
/*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
w0, h0, bpe, blevel, nlevels, word0, mipmap_size, radeon_bo_size(texture));*/
}
return 0;
}

47
drivers/gpu/drm/radeon/radeon_combios.c
View File

@ -1485,6 +1485,11 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
/* PowerMac8,1 ? */
/* imac g5 isight */
rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
} else if ((rdev->pdev->device == 0x4a48) &&
(rdev->pdev->subsystem_vendor == 0x1002) &&
(rdev->pdev->subsystem_device == 0x4a48)) {
/* Mac X800 */
rdev->mode_info.connector_table = CT_MAC_X800;
} else
#endif /* CONFIG_PPC_PMAC */
#ifdef CONFIG_PPC64
@ -1961,6 +1966,48 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
CONNECTOR_OBJECT_ID_VGA,
&hpd);
break;
case CT_MAC_X800:
DRM_INFO("Connector Table: %d (mac x800)\n",
rdev->mode_info.connector_table);
/* DVI - primary dac, internal tmds */
ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
hpd.hpd = RADEON_HPD_1; /* ??? */
radeon_add_legacy_encoder(dev,
radeon_get_encoder_enum(dev,
ATOM_DEVICE_DFP1_SUPPORT,
0),
ATOM_DEVICE_DFP1_SUPPORT);
radeon_add_legacy_encoder(dev,
radeon_get_encoder_enum(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
radeon_add_legacy_connector(dev, 0,
ATOM_DEVICE_DFP1_SUPPORT |
ATOM_DEVICE_CRT1_SUPPORT,
DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
&hpd);
/* DVI - tv dac, dvo */
ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
hpd.hpd = RADEON_HPD_2; /* ??? */
radeon_add_legacy_encoder(dev,
radeon_get_encoder_enum(dev,
ATOM_DEVICE_DFP2_SUPPORT,
0),
ATOM_DEVICE_DFP2_SUPPORT);
radeon_add_legacy_encoder(dev,
radeon_get_encoder_enum(dev,
ATOM_DEVICE_CRT2_SUPPORT,
2),
ATOM_DEVICE_CRT2_SUPPORT);
radeon_add_legacy_connector(dev, 1,
ATOM_DEVICE_DFP2_SUPPORT |
ATOM_DEVICE_CRT2_SUPPORT,
DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
&hpd);
break;
default:
DRM_INFO("Connector table: %d (invalid)\n",
rdev->mode_info.connector_table);

15
drivers/gpu/drm/radeon/radeon_connectors.c
View File

@ -481,7 +481,8 @@ static int radeon_lvds_mode_valid(struct drm_connector *connector,
return MODE_OK;
}
static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
static enum drm_connector_status
radeon_lvds_detect(struct drm_connector *connector, bool force)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct drm_encoder *encoder = radeon_best_single_encoder(connector);
@ -594,7 +595,8 @@ static int radeon_vga_mode_valid(struct drm_connector *connector,
return MODE_OK;
}
static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
static enum drm_connector_status
radeon_vga_detect(struct drm_connector *connector, bool force)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct drm_encoder *encoder;
@ -691,7 +693,8 @@ static int radeon_tv_mode_valid(struct drm_connector *connector,
return MODE_OK;
}
static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
static enum drm_connector_status
radeon_tv_detect(struct drm_connector *connector, bool force)
{
struct drm_encoder *encoder;
struct drm_encoder_helper_funcs *encoder_funcs;
@ -748,7 +751,8 @@ static int radeon_dvi_get_modes(struct drm_connector *connector)
* we have to check if this analog encoder is shared with anyone else (TV)
* if its shared we have to set the other connector to disconnected.
*/
static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
static enum drm_connector_status
radeon_dvi_detect(struct drm_connector *connector, bool force)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct drm_encoder *encoder = NULL;
@ -972,7 +976,8 @@ static int radeon_dp_get_modes(struct drm_connector *connector)
return ret;
}
static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
static enum drm_connector_status
radeon_dp_detect(struct drm_connector *connector, bool force)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
enum drm_connector_status ret = connector_status_disconnected;

9
drivers/gpu/drm/radeon/radeon_display.c
View File

@ -1140,17 +1140,18 @@ bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
radeon_crtc->rmx_type = radeon_encoder->rmx_type;
else
radeon_crtc->rmx_type = RMX_OFF;
src_v = crtc->mode.vdisplay;
dst_v = radeon_crtc->native_mode.vdisplay;
src_h = crtc->mode.hdisplay;
dst_h = radeon_crtc->native_mode.vdisplay;
/* copy native mode */
memcpy(&radeon_crtc->native_mode,
&radeon_encoder->native_mode,
sizeof(struct drm_display_mode));
src_v = crtc->mode.vdisplay;
dst_v = radeon_crtc->native_mode.vdisplay;
src_h = crtc->mode.hdisplay;
dst_h = radeon_crtc->native_mode.hdisplay;
/* fix up for overscan on hdmi */
if (ASIC_IS_AVIVO(rdev) &&
(!(mode->flags & DRM_MODE_FLAG_INTERLACE)) &&
((radeon_encoder->underscan_type == UNDERSCAN_ON) ||
((radeon_encoder->underscan_type == UNDERSCAN_AUTO) &&
drm_detect_hdmi_monitor(radeon_connector->edid) &&

3
drivers/gpu/drm/radeon/radeon_mode.h
View File

@ -204,7 +204,7 @@ struct radeon_i2c_chan {
/* mostly for macs, but really any system without connector tables */
enum radeon_connector_table {
CT_NONE,
CT_NONE = 0,
CT_GENERIC,
CT_IBOOK,
CT_POWERBOOK_EXTERNAL,
@ -215,6 +215,7 @@ enum radeon_connector_table {
CT_IMAC_G5_ISIGHT,
CT_EMAC,
CT_RN50_POWER,
CT_MAC_X800,
};
enum radeon_dvo_chip {

7
drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
View File

@ -335,7 +335,8 @@ static void vmw_ldu_connector_restore(struct drm_connector *connector)
}
static enum drm_connector_status
vmw_ldu_connector_detect(struct drm_connector *connector)
vmw_ldu_connector_detect(struct drm_connector *connector,
bool force)
{
if (vmw_connector_to_ldu(connector)->pref_active)
return connector_status_connected;
@ -516,7 +517,7 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
connector->status = vmw_ldu_connector_detect(connector);
connector->status = vmw_ldu_connector_detect(connector, true);
drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs,
DRM_MODE_ENCODER_LVDS);
@ -610,7 +611,7 @@ int vmw_kms_ldu_update_layout(struct vmw_private *dev_priv, unsigned num,
ldu->pref_height = 600;
ldu->pref_active = false;
}
con->status = vmw_ldu_connector_detect(con);
con->status = vmw_ldu_connector_detect(con, true);
}
mutex_unlock(&dev->mode_config.mutex);

4
drivers/hid/hid-core.c
View File

@ -1285,8 +1285,11 @@ static const struct hid_device_id hid_blacklist[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
@ -1578,7 +1581,6 @@ static const struct hid_device_id hid_ignore_list[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT)},
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },

4
drivers/hid/hid-ids.h
View File

@ -105,6 +105,7 @@
#define USB_VENDOR_ID_ASUS 0x0486
#define USB_DEVICE_ID_ASUS_T91MT 0x0185
#define USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO 0x0186
#define USB_VENDOR_ID_ASUSTEK 0x0b05
#define USB_DEVICE_ID_ASUSTEK_LCM 0x1726
@ -128,6 +129,7 @@
#define USB_VENDOR_ID_BTC 0x046e
#define USB_DEVICE_ID_BTC_EMPREX_REMOTE 0x5578
#define USB_DEVICE_ID_BTC_EMPREX_REMOTE_2 0x5577
#define USB_VENDOR_ID_CANDO 0x2087
#define USB_DEVICE_ID_CANDO_MULTI_TOUCH 0x0a01
@ -149,6 +151,7 @@
#define USB_VENDOR_ID_CHICONY 0x04f2
#define USB_DEVICE_ID_CHICONY_TACTICAL_PAD 0x0418
#define USB_DEVICE_ID_CHICONY_MULTI_TOUCH 0xb19d
#define USB_VENDOR_ID_CIDC 0x1677
@ -507,6 +510,7 @@
#define USB_VENDOR_ID_UCLOGIC 0x5543
#define USB_DEVICE_ID_UCLOGIC_TABLET_PF1209 0x0042
#define USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U 0x0003
#define USB_DEVICE_ID_UCLOGIC_TABLET_KNA5 0x6001
#define USB_VENDOR_ID_VERNIER 0x08f7
#define USB_DEVICE_ID_VERNIER_LABPRO 0x0001

1
drivers/hid/hid-mosart.c
View File

@ -239,6 +239,7 @@ static void mosart_remove(struct hid_device *hdev)
static const struct hid_device_id mosart_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
{ }
};
MODULE_DEVICE_TABLE(hid, mosart_devices);

1
drivers/hid/hid-topseed.c
View File

@ -64,6 +64,7 @@ static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi,
static const struct hid_device_id ts_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
{ }
};

8
drivers/hid/usbhid/hid-core.c
View File

@ -828,6 +828,7 @@ static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t co
}
} else {
int skipped_report_id = 0;
int report_id = buf[0];
if (buf[0] == 0x0) {
/* Don't send the Report ID */
buf++;
@ -837,7 +838,7 @@ static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t co
ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
HID_REQ_SET_REPORT,
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
((report_type + 1) << 8) | *buf,
((report_type + 1) << 8) | report_id,
interface->desc.bInterfaceNumber, buf, count,
USB_CTRL_SET_TIMEOUT);
/* count also the report id, if this was a numbered report. */
@ -1445,6 +1446,11 @@ static const struct hid_device_id hid_usb_table[] = {
{ }
};
struct usb_interface *usbhid_find_interface(int minor)
{
return usb_find_interface(&hid_driver, minor);
}
static struct hid_driver hid_usb_driver = {
.name = "generic-usb",
.id_table = hid_usb_table,

4
drivers/hid/usbhid/hid-quirks.c
View File

@ -33,6 +33,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
{ USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
{ USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
{ USB_VENDOR_ID_DWAV, USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER, HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_MOJO, USB_DEVICE_ID_RETRO_ADAPTER, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
@ -69,6 +70,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
@ -77,6 +79,8 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_PI_ENGINEERING, USB_DEVICE_ID_PI_ENGINEERING_VEC_USB_FOOTPEDAL, HID_QUIRK_HIDINPUT_FORCE },
{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_MULTI_TOUCH, HID_QUIRK_MULTI_INPUT },
{ 0, 0 }
};

2
drivers/hid/usbhid/hiddev.c
View File

@ -270,7 +270,7 @@ static int hiddev_open(struct inode *inode, struct file *file)
struct hiddev *hiddev;
int res;
intf = usb_find_interface(&hiddev_driver, iminor(inode));
intf = usbhid_find_interface(iminor(inode));
if (!intf)
return -ENODEV;
hid = usb_get_intfdata(intf);

1
drivers/hid/usbhid/usbhid.h
View File

@ -42,6 +42,7 @@ void usbhid_submit_report
(struct hid_device *hid, struct hid_report *report, unsigned char dir);
int usbhid_get_power(struct hid_device *hid);
void usbhid_put_power(struct hid_device *hid);
struct usb_interface *usbhid_find_interface(int minor);
/* iofl flags */
#define HID_CTRL_RUNNING 1

43
drivers/hwmon/adm1031.c
View File

@ -79,7 +79,7 @@ struct adm1031_data {
int chip_type;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
unsigned int update_rate; /* In milliseconds */
unsigned int update_interval; /* In milliseconds */
/* The chan_select_table contains the possible configurations for
* auto fan control.
*/
@ -743,23 +743,23 @@ static SENSOR_DEVICE_ATTR(temp3_crit_alarm, S_IRUGO, show_alarm, NULL, 12);
static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 13);
static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 14);
/* Update Rate */
static const unsigned int update_rates[] = {
/* Update Interval */
static const unsigned int update_intervals[] = {
16000, 8000, 4000, 2000, 1000, 500, 250, 125,
};
static ssize_t show_update_rate(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t show_update_interval(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1031_data *data = i2c_get_clientdata(client);
return sprintf(buf, "%u\n", data->update_rate);
return sprintf(buf, "%u\n", data->update_interval);
}
static ssize_t set_update_rate(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
static ssize_t set_update_interval(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1031_data *data = i2c_get_clientdata(client);
@ -771,12 +771,15 @@ static ssize_t set_update_rate(struct device *dev,
if (err)
return err;
/* find the nearest update rate from the table */
for (i = 0; i < ARRAY_SIZE(update_rates) - 1; i++) {
if (val >= update_rates[i])
/*
* Find the nearest update interval from the table.
* Use it to determine the matching update rate.
*/
for (i = 0; i < ARRAY_SIZE(update_intervals) - 1; i++) {
if (val >= update_intervals[i])
break;
}
/* if not found, we point to the last entry (lowest update rate) */
/* if not found, we point to the last entry (lowest update interval) */
/* set the new update rate while preserving other settings */
reg = adm1031_read_value(client, ADM1031_REG_FAN_FILTER);
@ -785,14 +788,14 @@ static ssize_t set_update_rate(struct device *dev,
adm1031_write_value(client, ADM1031_REG_FAN_FILTER, reg);
mutex_lock(&data->update_lock);
data->update_rate = update_rates[i];
data->update_interval = update_intervals[i];
mutex_unlock(&data->update_lock);
return count;
}
static DEVICE_ATTR(update_rate, S_IRUGO | S_IWUSR, show_update_rate,
set_update_rate);
static DEVICE_ATTR(update_interval, S_IRUGO | S_IWUSR, show_update_interval,
set_update_interval);
static struct attribute *adm1031_attributes[] = {
&sensor_dev_attr_fan1_input.dev_attr.attr,
@ -830,7 +833,7 @@ static struct attribute *adm1031_attributes[] = {
&sensor_dev_attr_auto_fan1_min_pwm.dev_attr.attr,
&dev_attr_update_rate.attr,
&dev_attr_update_interval.attr,
&dev_attr_alarms.attr,
NULL
@ -981,7 +984,8 @@ static void adm1031_init_client(struct i2c_client *client)
mask = ADM1031_UPDATE_RATE_MASK;
read_val = adm1031_read_value(client, ADM1031_REG_FAN_FILTER);
i = (read_val & mask) >> ADM1031_UPDATE_RATE_SHIFT;
data->update_rate = update_rates[i];
/* Save it as update interval */
data->update_interval = update_intervals[i];
}
static struct adm1031_data *adm1031_update_device(struct device *dev)
@ -993,7 +997,8 @@ static struct adm1031_data *adm1031_update_device(struct device *dev)
mutex_lock(&data->update_lock);
next_update = data->last_updated + msecs_to_jiffies(data->update_rate);
next_update = data->last_updated
+ msecs_to_jiffies(data->update_interval);
if (time_after(jiffies, next_update) || !data->valid) {
dev_dbg(&client->dev, "Starting adm1031 update\n");

1
drivers/hwmon/emc1403.c
View File

@ -308,7 +308,6 @@ static int emc1403_probe(struct i2c_client *client,
res = sysfs_create_group(&client->dev.kobj, &m_thermal_gr);
if (res) {
dev_warn(&client->dev, "create group failed\n");
hwmon_device_unregister(data->hwmon_dev);
goto thermal_error1;
}
data->hwmon_dev = hwmon_device_register(&client->dev);

6
drivers/hwmon/f75375s.c
View File

@ -79,7 +79,7 @@ enum chips { f75373, f75375 };
#define F75375_REG_PWM2_DROP_DUTY 0x6C
#define FAN_CTRL_LINEAR(nr) (4 + nr)
#define FAN_CTRL_MODE(nr) (5 + ((nr) * 2))
#define FAN_CTRL_MODE(nr) (4 + ((nr) * 2))
/*
* Data structures and manipulation thereof
@ -298,7 +298,7 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val)
return -EINVAL;
fanmode = f75375_read8(client, F75375_REG_FAN_TIMER);
fanmode = ~(3 << FAN_CTRL_MODE(nr));
fanmode &= ~(3 << FAN_CTRL_MODE(nr));
switch (val) {
case 0: /* Full speed */
@ -350,7 +350,7 @@ static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr,
mutex_lock(&data->update_lock);
conf = f75375_read8(client, F75375_REG_CONFIG1);
conf = ~(1 << FAN_CTRL_LINEAR(nr));
conf &= ~(1 << FAN_CTRL_LINEAR(nr));
if (val == 0)
conf |= (1 << FAN_CTRL_LINEAR(nr)) ;

4
drivers/hwmon/lis3lv02d_i2c.c
View File

@ -121,7 +121,7 @@ static int lis3lv02d_i2c_suspend(struct i2c_client *client, pm_message_t mesg)
{
struct lis3lv02d *lis3 = i2c_get_clientdata(client);
if (!lis3->pdata->wakeup_flags)
if (!lis3->pdata || !lis3->pdata->wakeup_flags)
lis3lv02d_poweroff(lis3);
return 0;
}
@ -130,7 +130,7 @@ static int lis3lv02d_i2c_resume(struct i2c_client *client)
{
struct lis3lv02d *lis3 = i2c_get_clientdata(client);
if (!lis3->pdata->wakeup_flags)
if (!lis3->pdata || !lis3->pdata->wakeup_flags)
lis3lv02d_poweron(lis3);
return 0;
}

4
drivers/hwmon/lis3lv02d_spi.c
View File

@ -92,7 +92,7 @@ static int lis3lv02d_spi_suspend(struct spi_device *spi, pm_message_t mesg)
{
struct lis3lv02d *lis3 = spi_get_drvdata(spi);
if (!lis3->pdata->wakeup_flags)
if (!lis3->pdata || !lis3->pdata->wakeup_flags)
lis3lv02d_poweroff(&lis3_dev);
return 0;
@ -102,7 +102,7 @@ static int lis3lv02d_spi_resume(struct spi_device *spi)
{
struct lis3lv02d *lis3 = spi_get_drvdata(spi);
if (!lis3->pdata->wakeup_flags)
if (!lis3->pdata || !lis3->pdata->wakeup_flags)
lis3lv02d_poweron(lis3);
return 0;

21
drivers/hwmon/lm95241.c
View File

@ -91,7 +91,7 @@ static struct lm95241_data *lm95241_update_device(struct device *dev);
struct lm95241_data {
struct device *hwmon_dev;
struct mutex update_lock;
unsigned long last_updated, rate; /* in jiffies */
unsigned long last_updated, interval; /* in jiffies */
char valid; /* zero until following fields are valid */
/* registers values */
u8 local_h, local_l; /* local */
@ -114,23 +114,23 @@ show_temp(local);
show_temp(remote1);
show_temp(remote2);
static ssize_t show_rate(struct device *dev, struct device_attribute *attr,
static ssize_t show_interval(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct lm95241_data *data = lm95241_update_device(dev);
snprintf(buf, PAGE_SIZE - 1, "%lu\n", 1000 * data->rate / HZ);
snprintf(buf, PAGE_SIZE - 1, "%lu\n", 1000 * data->interval / HZ);
return strlen(buf);
}
static ssize_t set_rate(struct device *dev, struct device_attribute *attr,
static ssize_t set_interval(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm95241_data *data = i2c_get_clientdata(client);
strict_strtol(buf, 10, &data->rate);
data->rate = data->rate * HZ / 1000;
strict_strtol(buf, 10, &data->interval);
data->interval = data->interval * HZ / 1000;
return count;
}
@ -286,7 +286,8 @@ static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_min1, set_min1);
static DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_min2, set_min2);
static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_max1, set_max1);
static DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_max2, set_max2);
static DEVICE_ATTR(rate, S_IWUSR | S_IRUGO, show_rate, set_rate);
static DEVICE_ATTR(update_interval, S_IWUSR | S_IRUGO, show_interval,
set_interval);
static struct attribute *lm95241_attributes[] = {
&dev_attr_temp1_input.attr,
@ -298,7 +299,7 @@ static struct attribute *lm95241_attributes[] = {
&dev_attr_temp3_min.attr,
&dev_attr_temp2_max.attr,
&dev_attr_temp3_max.attr,
&dev_attr_rate.attr,
&dev_attr_update_interval.attr,
NULL
};
@ -376,7 +377,7 @@ static void lm95241_init_client(struct i2c_client *client)
{
struct lm95241_data *data = i2c_get_clientdata(client);
data->rate = HZ; /* 1 sec default */
data->interval = HZ; /* 1 sec default */
data->valid = 0;
data->config = CFG_CR0076;
data->model = 0;
@ -410,7 +411,7 @@ static struct lm95241_data *lm95241_update_device(struct device *dev)
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + data->rate) ||
if (time_after(jiffies, data->last_updated + data->interval) ||
!data->valid) {
dev_dbg(&client->dev, "Updating lm95241 data.\n");
data->local_h =

1
drivers/hwmon/w83627ehf.c
View File

@ -127,6 +127,7 @@ superio_enter(int ioreg)
static inline void
superio_exit(int ioreg)
{
outb(0xaa, ioreg);
outb(0x02, ioreg);
outb(0x02, ioreg + 1);
}

12
drivers/ide/ide-probe.c
View File

@ -1444,14 +1444,6 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
ide_acpi_port_init_devices(hwif);
}
ide_host_for_each_port(i, hwif, host) {
if (hwif == NULL)
continue;
if (hwif->present)
hwif_register_devices(hwif);
}
ide_host_for_each_port(i, hwif, host) {
if (hwif == NULL)
continue;
@ -1459,8 +1451,10 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
ide_sysfs_register_port(hwif);
ide_proc_register_port(hwif);
if (hwif->present)
if (hwif->present) {
ide_proc_port_register_devices(hwif);
hwif_register_devices(hwif);
}
}
return j ? 0 : -1;

6
drivers/md/md.c
View File

@ -1643,7 +1643,9 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1;
if (rdev->sb_size & bmask)
rdev->sb_size = (rdev->sb_size | bmask) + 1;
}
} else
max_dev = le32_to_cpu(sb->max_dev);
for (i=0; i<max_dev;i++)
sb->dev_roles[i] = cpu_to_le16(0xfffe);
@ -7069,7 +7071,7 @@ void md_check_recovery(mddev_t *mddev)
if (mddev->ro && !test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))
return;
if ( ! (
(mddev->flags && !mddev->external) ||
(mddev->flags & ~ (1<<MD_CHANGE_PENDING)) ||
test_bit(MD_RECOVERY_NEEDED, &mddev->recovery) ||
test_bit(MD_RECOVERY_DONE, &mddev->recovery) ||
(mddev->external == 0 && mddev->safemode == 1) ||

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