The cell iic interrupt controller has enough software caused interrupts
to use a unique interrupt for each of the 4 messages powerpc uses.
This means each interrupt gets its own irq action/data combination.
Use the seperate, optimized, arch common ipi action functions
registered via the helper smp_request_message_ipi instead passing the
message as action data to a single action that then demultipexes to
the required acton via a switch statement.
smp_request_message_ipi will register the action as IRQF_PER_CPU
and IRQF_DISABLED, and WARN if the allocation fails for some reason,
so no need to print on that failure. It will return positive if
the message will not be used by the kernel, in which case we can
free the virq.
In addition to elimiating inefficient code, this also corrects the
error that a kernel built with kexec but without a debugger would
not register the ipi for kdump to notify the other cpus of a crash.
This also restores the debugger action to be static to kernel/smp.c.
Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Now that powerpc has removed its use of MSG_ALL_BUT_SELF and MSG_ALL
all these MSG_ flags are unused.
Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
When page coalescing support was added recently, the MAX_HCALL_OPCODE
define was not updated for the newly added H_GET_MPP_X hcall.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Commit 0837e3242c fixes a situation on POWER7
where events can roll back if a specualtive event doesn't actually complete.
This can raise a performance monitor exception. We need to catch this to ensure
that we reset the PMC. In all cases the PMC will be less than 256 cycles from
overflow.
This patch lifts Anton's fix for the problem in perf and applies it to oprofile
as well.
Signed-off-by: Eric B Munson <emunson@mgebm.net>
Cc: <stable@kernel.org> # as far back as it applies cleanly
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This patch implements the raw syscall tracepoints on PowerPC and exports
them for ftrace syscalls to use.
To minimise reworking existing code, I slightly re-ordered the thread
info flags such that the new TIF_SYSCALL_TRACEPOINT bit would still fit
within the 16 bits of the andi. instruction's UI field. The instructions
in question are in /arch/powerpc/kernel/entry_{32,64}.S to and the
_TIF_SYSCALL_T_OR_A with the thread flags to see if system call tracing
is enabled.
In the case of 64bit PowerPC, arch_syscall_addr and
arch_syscall_match_sym_name are overridden to allow ftrace syscalls to
work given the unusual system call table structure and symbol names that
start with a period.
Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Choosing TMPFS_XATTR default N was switching off TMPFS_POSIX_ACL,
even if it had been Y in oldconfig; and Linus reports that PulseAudio
goes subtly wrong unless it can use ACLs on /dev/shm.
Make TMPFS_POSIX_ACL select TMPFS_XATTR (and depend upon TMPFS),
and move the TMPFS_POSIX_ACL entry before the TMPFS_XATTR entry,
to avoid asking unnecessary questions then ignoring their answers.
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix this:
drivers/video/mb862xx/mb862xx-i2c.c: In function 'mb862xx_i2c_wait_event':
drivers/video/mb862xx/mb862xx-i2c.c:25: error: implicit declaration of function 'udelay'
caused by commit f8a6b1f448 ("video: mb862xx: add support for
controller's I2C bus adapter").
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/linux-2.6-nsfd:
net: fix get_net_ns_by_fd for !CONFIG_NET_NS
ns proc: Return -ENOENT for a nonexistent /proc/self/ns/ entry.
ns: Declare sys_setns in syscalls.h
net: Allow setting the network namespace by fd
ns proc: Add support for the ipc namespace
ns proc: Add support for the uts namespace
ns proc: Add support for the network namespace.
ns: Introduce the setns syscall
ns: proc files for namespace naming policy.
Commit a71ae47a2c ("slub: Fix double bit unlock in debug mode")
removed the only goto to this label, resulting in
mm/slub.c: In function '__slab_alloc':
mm/slub.c:1834: warning: label 'unlock_out' defined but not used
fixed trivially by the removal of the label itself too.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Christoph Lameter <cl@linux.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (89 commits)
bonding: documentation and code cleanup for resend_igmp
bonding: prevent deadlock on slave store with alb mode (v3)
net: hold rtnl again in dump callbacks
Add Fujitsu 1000base-SX PCI ID to tg3
bnx2x: protect sequence increment with mutex
sch_sfq: fix peek() implementation
isdn: netjet - blacklist Digium TDM400P
via-velocity: don't annotate MAC registers as packed
xen: netfront: hold RTNL when updating features.
sctp: fix memory leak of the ASCONF queue when free asoc
net: make dev_disable_lro use physical device if passed a vlan dev (v2)
net: move is_vlan_dev into public header file (v2)
bug.h: Fix build with CONFIG_PRINTK disabled.
wireless: fix fatal kernel-doc error + warning in mac80211.h
wireless: fix cfg80211.h new kernel-doc warnings
iwlagn: dbg_fixed_rate only used when CONFIG_MAC80211_DEBUGFS enabled
dst: catch uninitialized metrics
be2net: hash key for rss-config cmd not set
bridge: initialize fake_rtable metrics
net: fix __dst_destroy_metrics_generic()
...
Fix up trivial conflicts in drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (75 commits)
mmc: core: eMMC bus width may not work on all platforms
mmc: sdhci: Auto-CMD23 fixes.
mmc: sdhci: Auto-CMD23 support.
mmc: core: Block CMD23 support for UHS104/SDXC cards.
mmc: sdhci: Implement MMC_CAP_CMD23 for SDHCI.
mmc: core: Use CMD23 for multiblock transfers when we can.
mmc: quirks: Add/remove quirks conditional support.
mmc: Add new VUB300 USB-to-SD/SDIO/MMC driver
mmc: sdhci-pxa: Add quirks for DMA/ADMA to match h/w
mmc: core: duplicated trial with same freq in mmc_rescan_try_freq()
mmc: core: add support for eMMC Dual Data Rate
mmc: core: eMMC signal voltage does not use CMD11
mmc: sdhci-pxa: add platform code for UHS signaling
mmc: sdhci: add hooks for setting UHS in platform specific code
mmc: core: clear MMC_PM_KEEP_POWER flag on resume
mmc: dw_mmc: fixed wrong regulator_enable in suspend/resume
mmc: sdhi: allow powering down controller with no card inserted
mmc: tmio: runtime suspend the controller, where possible
mmc: sdhi: support up to 3 interrupt sources
mmc: sdhi: print physical base address and clock rate
...
* 'kconfig-for-40' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
xconfig: merge code path to conf_write()
kconfig: do not record timestamp in .config
gconfig: Hide unused left treeview when start up the interface
gconfig: enable rules hint for main treeviews
MAINTAINERS: Update KCONFIG entry
kconfig-language: add to hints
kconfig: Document the new "visible if" syntax
kconfig: quiet commands when V=0
kconfig: change update-po-config to reflect new layout of arch/um
kconfig: make update-po-config work in KBUILD_OUTPUT
kconfig: rearrange clean-files
kconfig: change gconf to modify hostprogs-y like nconf and mconf
kconfig: change qconf to modify hostprogs-y like nconf and mconf
kconfig: only build kxgettext when needed
nconfig: Silence unused return values from wattrset
kconfig: Do not record timestamp in auto.conf and autoconf.h
kconfig: get rid of unused flags
kconfig: allow multiple inclusion of the same file
kconfig: Avoid buffer underrun in choice input
* 'for-2.6.40' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc:
signal: sys_pause() should check signal_pending()
ptrace: ptrace_resume() shouldn't wake up !TASK_TRACED thread
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: New driver for the SMSC EMC6W201
hwmon: (abituguru) Depend on DMI
hwmon: (it87) Use request_muxed_region
hwmon: (sch5627) Trigger Vbat measurements
hwmon: (sch5627) Add sch5627_send_cmd function
i8k: Integrate with the hwmon subsystem
hwmon: (max6650) Properly support the MAX6650
hwmon: (max6650) Drop device detection
Move ACPI power meter driver to hwmon
hwmon: (f71882fg) Add support for F71808A
hwmon: (f71882fg) Split has_beep in fan_has_beep and temp_has_beep
hwmon: (asc7621) Drop duplicate dependency
hwmon: (jc42) Change detection class
hwmon: Add driver for AMD family 15h processor power information
hwmon: (k10temp) Add support for Fam15h (Bulldozer)
hwmon: Use helper functions to set and get driver data
i8k: Avoid lahf in 64-bit code
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: (26 commits)
arch/tile: prefer "tilepro" as the name of the 32-bit architecture
compat: include aio_abi.h for aio_context_t
arch/tile: cleanups for tilegx compat mode
arch/tile: allocate PCI IRQs later in boot
arch/tile: support signal "exception-trace" hook
arch/tile: use better definitions of xchg() and cmpxchg()
include/linux/compat.h: coding-style fixes
tile: add an RTC driver for the Tilera hypervisor
arch/tile: finish enabling support for TILE-Gx 64-bit chip
compat: fixes to allow working with tile arch
arch/tile: update defconfig file to something more useful
tile: do_hardwall_trap: do not play with task->sighand
tile: replace mm->cpu_vm_mask with mm_cpumask()
tile,mn10300: add device parameter to dma_cache_sync()
audit: support the "standard" <asm-generic/unistd.h>
arch/tile: clarify flush_buffer()/finv_buffer() function names
arch/tile: kernel-related cleanups from removing static page size
arch/tile: various header improvements for building drivers
arch/tile: disable GX prefetcher during cache flush
arch/tile: tolerate disabling CONFIG_BLK_DEV_INITRD
...
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (37 commits)
Blackfin: use new common PERCPU_INPUT define
MAINTAINERS: Fix Analog Devices mailinglist address
Blackfin: boards: update ASoC resources after machine driver overhaul
Blackfin: work around anomaly 05000480
Blackfin: fix addr type with bfin_write_{or,and} helpers
Blackfin: convert /proc/sram to seq_file
Blackfin: switch /proc/gpio to seq_file
Blackfin: fix indentation with bfin_read() helper
Blackfin: convert old cpumask API to new one
Blackfin: don't touch task->cpus_allowed directly
Blackfin: don't touch cpu_possible_map and cpu_present_map directly
Blackfin: bf548-ezkit/bf561-ezkit: update nor flash layout
Blackfin: initial perf_event support
Blackfin: update anomaly lists to latest public info
Blackfin: use on-chip reset func with newer parts
Blackfin: bf533-stamp/bf537-stamp: drop ad1980 from defconfigs
Blackfin: optimize MMR reads during startup a bit
Blackfin: bf537: demux port H mask A and emac rx ints
Blackfin: bf537: fix excessive gpio int demuxing
Blackfin: bf54x: drop unused pm gpio handling
...
* 'rmobile-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (34 commits)
ARM: mach-shmobile: mackerel: add renesas_usbhs support for USB1
ARM: mach-shmobile: Correct the G4EVM SDHI0 I/O range.
ARM: arch-shmobile: sh7372: add renesas_usbhs irq support
ARM: mach-shmobile: sh73a0: mark DMA slave ID 0 as invalid
ARM: mach-shmobile: mark DMA slave ID 0 as invalid
ARM: mach-shmobile: Enable DMAEngine for SDHI on AG5EVM
ARM: mach-shmobile: Enable DMAEngine for MMCIF on AG5EVM
ARM: mach-shmobile: sh73a0 DMA Engine support for SY-DMAC
dmaengine: shdma: Update SH_DMAC_MAX_CHANNELS to 20
dmaengine: shdma: Fix SH_DMAC_MAX_CHANNELS handling
dmaengine: shdma: Make second memory window optional
ARM: mach-shmobile: Tidy up after SH7372 pm changes.
ARM: mach-shmobile: sh7372 Core Standby CPUIdle
ARM: mach-shmobile: CPUIdle support
ARM: mach-shmobile: sh7372 Core Standby Suspend-to-RAM
ARM: mach-shmobile: Suspend-to-RAM support
mailmap: Add entry for Damian Hobson-Garcia.
ARM: switch mackerel to dynamically manage the platform camera
ARM: mach-shmobile: Add SDHI support for AG5EVM and sh73a0
ARM: arch-shmobile: Use multiple irq vectors for SDHI
...
commit 9ec2690758 ("timerfd: Manage cancelable timers in timerfd")
introduced a CONFIG_HIGHRES_TIMERS (should be CONFIG_HIGH_RES_TIMERS)
typo, which caused applications depending on CLOCK_REALTIME timers to
become sluggy due to the fact that the time base of the realtime
timers was not updated when the wall clock time was set.
This causes anything from 100% CPU use for some applications to odd
delays and hickups.
Reported-bisected-and-tested-by: Anca Emanuel <anca.emanuel@gmail.com>
Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Fatfingered-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Improves the documentation about how IGMP resend parameter
works, fix two missing checks and coding style issues.
Signed-off-by: Flavio Leitner <fbl@redhat.com>
Acked-by: Rick Jones <rick.jones2@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This soft lockup was recently reported:
[root@dell-per715-01 ~]# echo +bond5 > /sys/class/net/bonding_masters
[root@dell-per715-01 ~]# echo +eth1 > /sys/class/net/bond5/bonding/slaves
bonding: bond5: doing slave updates when interface is down.
bonding bond5: master_dev is not up in bond_enslave
[root@dell-per715-01 ~]# echo -eth1 > /sys/class/net/bond5/bonding/slaves
bonding: bond5: doing slave updates when interface is down.
BUG: soft lockup - CPU#12 stuck for 60s! [bash:6444]
CPU 12:
Modules linked in: bonding autofs4 hidp rfcomm l2cap bluetooth lockd sunrpc
be2d
Pid: 6444, comm: bash Not tainted 2.6.18-262.el5 #1
RIP: 0010:[<ffffffff80064bf0>] [<ffffffff80064bf0>]
.text.lock.spinlock+0x26/00
RSP: 0018:ffff810113167da8 EFLAGS: 00000286
RAX: ffff810113167fd8 RBX: ffff810123a47800 RCX: 0000000000ff1025
RDX: 0000000000000000 RSI: ffff810123a47800 RDI: ffff81021b57f6f8
RBP: ffff81021b57f500 R08: 0000000000000000 R09: 000000000000000c
R10: 00000000ffffffff R11: ffff81011d41c000 R12: ffff81021b57f000
R13: 0000000000000000 R14: 0000000000000282 R15: 0000000000000282
FS: 00002b3b41ef3f50(0000) GS:ffff810123b27940(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00002b3b456dd000 CR3: 000000031fc60000 CR4: 00000000000006e0
Call Trace:
[<ffffffff80064af9>] _spin_lock_bh+0x9/0x14
[<ffffffff886937d7>] :bonding:tlb_clear_slave+0x22/0xa1
[<ffffffff8869423c>] :bonding:bond_alb_deinit_slave+0xba/0xf0
[<ffffffff8868dda6>] :bonding:bond_release+0x1b4/0x450
[<ffffffff8006457b>] __down_write_nested+0x12/0x92
[<ffffffff88696ae4>] :bonding:bonding_store_slaves+0x25c/0x2f7
[<ffffffff801106f7>] sysfs_write_file+0xb9/0xe8
[<ffffffff80016b87>] vfs_write+0xce/0x174
[<ffffffff80017450>] sys_write+0x45/0x6e
[<ffffffff8005d28d>] tracesys+0xd5/0xe0
It occurs because we are able to change the slave configuarion of a bond while
the bond interface is down. The bonding driver initializes some data structures
only after its ndo_open routine is called. Among them is the initalization of
the alb tx and rx hash locks. So if we add or remove a slave without first
opening the bond master device, we run the risk of trying to lock/unlock a
spinlock that has garbage for data in it, which results in our above softlock.
Note that sometimes this works, because in many cases an unlocked spinlock has
the raw_lock parameter initialized to zero (meaning that the kzalloc of the
net_device private data is equivalent to calling spin_lock_init), but thats not
true in all cases, and we aren't guaranteed that condition, so we need to pass
the relevant spinlocks through the spin_lock_init function.
Fix it by moving the spin_lock_init calls for the tx and rx hashtable locks to
the ndo_init path, so they are ready for use by the bond_store_slaves path.
Change notes:
v2) Based on conversation with Jay and Nicolas it seems that the ability to
enslave devices while the bond master is down should be safe to do. As such
this is an outlier bug, and so instead we'll just initalize the errant spinlocks
in the init path rather than the open path, solving the problem. We'll also
remove the warnings about the bond being down during enslave operations, since
it should be safe
v3) Fix spelling error
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Reported-by: jtluka@redhat.com
CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: nicolas.2p.debian@gmail.com
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit e67f88dd12 (dont hold rtnl mutex during netlink dump callbacks)
missed fact that rtnl_fill_ifinfo() must be called with rtnl held.
Because of possible deadlocks between two mutexes (cb_mutex and rtnl),
its not easy to solve this problem, so revert this part of the patch.
It also forgot one rcu_read_unlock() in FIB dump_rules()
Add one ASSERT_RTNL() in rtnl_fill_ifinfo() to remind us the rule.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Patrick McHardy <kaber@trash.net>
CC: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds the PCI ID of Fujitsu 1000base-SX NIC to tg3 driver.
Tested to detect the card, MAC and serdes, not tested with link at the
moment since I have no fiber switch here. I did not add new constants to
the pci_ids.h header file since these constants are used only here.
Signed-off-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since commit eeaeb068f1 (sch_sfq: allow big packets and be fair),
sfq_peek() can return a different skb that would be normally dequeued by
sfq_dequeue() [ if current slot->allot is negative ]
Use generic qdisc_peek_dequeued() instead of custom implementation, to
get consistent result.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Jarek Poplawski <jarkao2@gmail.com>
CC: Patrick McHardy <kaber@trash.net>
CC: Jesper Dangaard Brouer <hawk@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
[2nd try ... 1st attempt didn't make it to netdev mailing list]
A quick google search reveals that people with this card are blacklisting it
in the initramfs and in the module blacklist based on a statement that it
is unsupported. Since the older Digium is also unsupported I'm pretty
confident that this newer card is also not supported.
lspci -xxx -vv shows
04:07.0 Communication controller: Tiger Jet Network Inc. Tiger3XX Modem/ISDN interface
Subsystem: Device b100:0003
P.
----8<----
The Asterisk Voice Card, DIGIUM TDM400P is unsupported by the netjet driver.
Blacklist it like the Digium X100P/X101P card.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On ARM, memory accesses through packed pointers behave in unexpected
ways in GCC releases 4.3 and higher; see https://lkml.org/lkml/2011/2/2/163
for discussion.
In this particular case, 32-bit I/O registers are accessed bytewise,
causing incorrect setting of the DMA address registers which in turn
leads to an error interrupt storm that brings the system to a halt.
Since the mac_regs structure does not need any packing anyway, this patch
simply removes the attribute to fix the issue.
Signed-off-by: Ulrich Hecht <uli@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
If an ASCONF chunk is outstanding, then the following ASCONF
chunk will be queued for later transmission. But when we free
the asoc, we forget to free the ASCONF queue at the same time,
this will cause memory leak.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the device passed into dev_disable_lro is a vlan, then repoint the dev
poniter so that we actually modify the underlying physical device.
Signed-of-by: Neil Horman <nhorman@tuxdriver.com>
CC: davem@davemloft.net
CC: bhutchings@solarflare.com
Signed-off-by: David S. Miller <davem@davemloft.net>
Migrate is_vlan_dev() to if_vlan.h so that core networkig can use it
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: davem@davemloft.net
CC: bhutchings@solarflare.com
Signed-off-by: David S. Miller <davem@davemloft.net>
Make ext4_ext_split() get extents to be moved by calculating in a statement
instead of counting in a loop.
Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Trivial conversion. Fixup one error handling case calling vmtruncate()
and remove ->truncate callback. We also fix a bug that IS_IMMUTABLE and
IS_APPEND files could not be truncated during failed writes. In fact, the
test can be completely removed as upper layers do necessary permission
checks for truncate in do_sys_[f]truncate() and may_open() anyway.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
CMD19 -- The offical way to validate bus widths from the JEDEC spec
does not work on all platforms. Some platforms that use PCI/PCIe
to connect their SD controllers are known to fail.
If the quirk MMC_BUS_WIDTH_TEST is not defined we try to figure out
the bus width by reading the ext_csd at different bus widths and
compare this against the ext_csd read in 1 bit mode. If no ext_csd
is available we default to 1 bit operations.
Code has been tested on mmp2 against 8 bit eMMC and Transcend 2GB
card that is known to not work in 4 bit mode. The physical pins
on the card are not present to support 4 bit operation.
Signed-off-by: Philip Rakity <prakity@marvell.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Enables Auto-CMD23 support where available (SDHCI 3.0 controllers)
Signed-off-by: Andrei Warkentin <andreiw@motorola.com>
Tested-by: Arindam Nath <arindam.nath@amd.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
SD cards operating at UHS104 or better support SET_BLOCK_COUNT.
Signed-off-by: Andrei Warkentin <andreiw@motorola.com>
Reviewed-by: Arindam Nath <arindam.nath@amd.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Implements support for multiblock transfers bounded
by SET_BLOCK_COUNT (CMD23).
Signed-off-by: Andrei Warkentin <andreiw@motorola.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
CMD23-prefixed instead of open-ended multiblock transfers
have a performance advantage on some MMC cards.
Signed-off-by: Andrei Warkentin <andreiw@motorola.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Save the PID associated with an RDMA CM ID for reporting via netlink.
Signed-off-by: Nir Muchtar <nirm@voltaire.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Add callbacks and data types for statistics export of all current
devices/ids. The schema for RDMA CM is a series of netlink messages.
Each one contains an rdma_cm_stat struct. Additionally, two netlink
attributes are created for the addresses for each message (if
applicable).
Their types used are:
RDMA_NL_RDMA_CM_ATTR_SRC_ADDR (The source address for this ID)
RDMA_NL_RDMA_CM_ATTR_DST_ADDR (The destination address for this ID)
sockaddr_* structs are encapsulated within these attributes.
In other words, every transaction contains a series of messages like:
-------message 1-------
struct rdma_cm_id_stats {
__u32 qp_num;
__u32 bound_dev_if;
__u32 port_space;
__s32 pid;
__u8 cm_state;
__u8 node_type;
__u8 port_num;
__u8 reserved;
}
RDMA_NL_RDMA_CM_ATTR_SRC_ADDR attribute - contains the source address
RDMA_NL_RDMA_CM_ATTR_DST_ADDR attribute - contains the destination address
-------end 1-------
-------message 2-------
struct rdma_cm_id_stats
RDMA_NL_RDMA_CM_ATTR_SRC_ADDR attribute
RDMA_NL_RDMA_CM_ATTR_DST_ADDR attribute
-------end 2-------
Signed-off-by: Nir Muchtar <nirm@voltaire.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
The RDMA CM currently infers the QP type from the port space selected
by the user. In the future (eg with RDMA_PS_IB or XRC), there may not
be a 1-1 correspondence between port space and QP type. For netlink
export of RDMA CM state, we want to export the QP type to userspace,
so it is cleaner to explicitly associate a QP type to an ID.
Modify rdma_create_id() to allow the user to specify the QP type, and
use it to make our selections of datagram versus connected mode.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Various RDMA headers are intended to be exported to userspace, so add
them to the headers-y list. Add a (strictly speaking, superfluous)
include of <linux/types.h> to avoid a headers_check warning.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Move cma.c's internal definition of enum cma_state to enum rdma_cm_state
in an exported header so that it can be exported via RDMA netlink.
Signed-off-by: Nir Muchtar <nirm@voltaire.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Acked-by: Arnaud Giersch <arnaud.giersch@free.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
With this change, you can (and should) build with ARCH=tilepro for the
current 32-bit chips. Building with ARCH=tile continues to work, but
we've renamed the defconfig file to tilepro_defconfig for consistency.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
export_report: use warn() to issue WARNING, so they go to stderr
export_report: sort SECTION 2 output
export_report: do collectcfiles work in perl itself
kbuild: make versioncheck work in KBUILD_OUTDIR
kbuild: make includecheck work in KBUILD_OUTDIR
kbuild: make headerdep work in KBUILD_OUTDIR
kbuild: add targets to PHONY
kbuild: don't warn about include/linux/version.h not including itself
eradicate bashisms in scripts/patch-kernel
* 'packaging' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
kbuild: Create a kernel-headers RPM
rpm-pkg: Fix when current directory is a symlink
Replace '-' in kernel version with '_'
Milton Miller