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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] PS3: Fix printing of os-area magic numbers
  [POWERPC] Oprofile: Remove dependency on spufs module
This commit is contained in:
Linus Torvalds 2007-12-28 10:37:46 -08:00
parent 29a09a7b13 ec5d2dfe72
commit 1842c7f260
9 changed files with 129 additions and 48 deletions
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5
arch/powerpc/platforms/cell/Kconfig
View File

@ -88,3 +88,8 @@ config CBE_CPUFREQ_PMI
but also at lower core voltage.
endmenu
config OPROFILE_CELL
def_bool y
depends on PPC_CELL_NATIVE && (OPROFILE = m || OPROFILE = y)

1
arch/powerpc/platforms/cell/Makefile
View File

@ -19,6 +19,7 @@ spu-manage-$(CONFIG_PPC_CELLEB) += spu_manage.o
spu-manage-$(CONFIG_PPC_CELL_NATIVE) += spu_manage.o
obj-$(CONFIG_SPU_BASE) += spu_callbacks.o spu_base.o \
spu_notify.o \
spu_syscalls.o \
$(spu-priv1-y) \
$(spu-manage-y) \

67
arch/powerpc/platforms/cell/spu_notify.c Normal file
View File

@ -0,0 +1,67 @@
/*
* Move OProfile dependencies from spufs module to the kernel so it
* can run on non-cell PPC.
*
* Copyright (C) IBM 2005
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#undef DEBUG
#include <linux/module.h>
#include <asm/spu.h>
#include "spufs/spufs.h"
static BLOCKING_NOTIFIER_HEAD(spu_switch_notifier);
void spu_switch_notify(struct spu *spu, struct spu_context *ctx)
{
blocking_notifier_call_chain(&spu_switch_notifier,
ctx ? ctx->object_id : 0, spu);
}
EXPORT_SYMBOL_GPL(spu_switch_notify);
int spu_switch_event_register(struct notifier_block *n)
{
int ret;
ret = blocking_notifier_chain_register(&spu_switch_notifier, n);
if (!ret)
notify_spus_active();
return ret;
}
EXPORT_SYMBOL_GPL(spu_switch_event_register);
int spu_switch_event_unregister(struct notifier_block *n)
{
return blocking_notifier_chain_unregister(&spu_switch_notifier, n);
}
EXPORT_SYMBOL_GPL(spu_switch_event_unregister);
void spu_set_profile_private_kref(struct spu_context *ctx,
struct kref *prof_info_kref,
void (* prof_info_release) (struct kref *kref))
{
ctx->prof_priv_kref = prof_info_kref;
ctx->prof_priv_release = prof_info_release;
}
EXPORT_SYMBOL_GPL(spu_set_profile_private_kref);
void *spu_get_profile_private_kref(struct spu_context *ctx)
{
return ctx->prof_priv_kref;
}
EXPORT_SYMBOL_GPL(spu_get_profile_private_kref);

14
arch/powerpc/platforms/cell/spu_syscalls.c
View File

@ -145,6 +145,20 @@ int elf_coredump_extra_notes_write(struct file *file, loff_t *foffset)
return ret;
}
void notify_spus_active(void)
{
struct spufs_calls *calls;
calls = spufs_calls_get();
if (!calls)
return;
calls->notify_spus_active();
spufs_calls_put(calls);
return;
}
int register_spu_syscalls(struct spufs_calls *calls)
{
if (spufs_calls)

16
arch/powerpc/platforms/cell/spufs/context.c
View File

@ -190,19 +190,3 @@ void spu_release_saved(struct spu_context *ctx)
spu_release(ctx);
}
void spu_set_profile_private_kref(struct spu_context *ctx,
struct kref *prof_info_kref,
void ( * prof_info_release) (struct kref *kref))
{
ctx->prof_priv_kref = prof_info_kref;
ctx->prof_priv_release = prof_info_release;
}
EXPORT_SYMBOL_GPL(spu_set_profile_private_kref);
void *spu_get_profile_private_kref(struct spu_context *ctx)
{
return ctx->prof_priv_kref;
}
EXPORT_SYMBOL_GPL(spu_get_profile_private_kref);

29
arch/powerpc/platforms/cell/spufs/sched.c
View File

@ -166,15 +166,7 @@ static int node_allowed(struct spu_context *ctx, int node)
return rval;
}
static BLOCKING_NOTIFIER_HEAD(spu_switch_notifier);
void spu_switch_notify(struct spu *spu, struct spu_context *ctx)
{
blocking_notifier_call_chain(&spu_switch_notifier,
ctx ? ctx->object_id : 0, spu);
}
static void notify_spus_active(void)
void do_notify_spus_active(void)
{
int node;
@ -200,22 +192,15 @@ static void notify_spus_active(void)
mutex_unlock(&cbe_spu_info[node].list_mutex);
}
}
EXPORT_SYMBOL_GPL(do_notify_spus_active);
int spu_switch_event_register(struct notifier_block * n)
#ifndef MODULE
void notify_spus_active(void)
{
int ret;
ret = blocking_notifier_chain_register(&spu_switch_notifier, n);
if (!ret)
notify_spus_active();
return ret;
do_notify_spus_active();
}
EXPORT_SYMBOL_GPL(spu_switch_event_register);
int spu_switch_event_unregister(struct notifier_block * n)
{
return blocking_notifier_chain_unregister(&spu_switch_notifier, n);
}
EXPORT_SYMBOL_GPL(spu_switch_event_unregister);
EXPORT_SYMBOL_GPL(notify_spus_active);
#endif
/**
* spu_bind_context - bind spu context to physical spu

1
arch/powerpc/platforms/cell/spufs/syscalls.c
View File

@ -86,5 +86,6 @@ struct spufs_calls spufs_calls = {
.spu_run = do_spu_run,
.coredump_extra_notes_size = spufs_coredump_extra_notes_size,
.coredump_extra_notes_write = spufs_coredump_extra_notes_write,
.notify_spus_active = do_notify_spus_active,
.owner = THIS_MODULE,
};

40
arch/powerpc/platforms/ps3/os-area.c
View File

@ -23,6 +23,7 @@
#include <linux/workqueue.h>
#include <linux/fs.h>
#include <linux/syscalls.h>
#include <linux/ctype.h>
#include <asm/lmb.h>
@ -37,6 +38,8 @@ enum os_area_ldr_format {
HEADER_LDR_FORMAT_GZIP = 1,
};
#define OS_AREA_HEADER_MAGIC_NUM "cell_ext_os_area"
/**
* struct os_area_header - os area header segment.
* @magic_num: Always 'cell_ext_os_area'.
@ -114,13 +117,11 @@ struct os_area_params {
u8 _reserved_5[8];
};
enum {
OS_AREA_DB_MAGIC_NUM = 0x2d64622dU,
};
#define OS_AREA_DB_MAGIC_NUM "-db-"
/**
* struct os_area_db - Shared flash memory database.
* @magic_num: Always '-db-' = 0x2d64622d.
* @magic_num: Always '-db-'.
* @version: os_area_db format version number.
* @index_64: byte offset of the database id index for 64 bit variables.
* @count_64: number of usable 64 bit index entries
@ -135,7 +136,7 @@ enum {
*/
struct os_area_db {
u32 magic_num;
u8 magic_num[4];
u16 version;
u16 _reserved_1;
u16 index_64;
@ -265,12 +266,26 @@ static void __init os_area_get_property(struct device_node *node,
prop->name);
}
static void dump_field(char *s, const u8 *field, int size_of_field)
{
#if defined(DEBUG)
int i;
for (i = 0; i < size_of_field; i++)
s[i] = isprint(field[i]) ? field[i] : '.';
s[i] = 0;
#endif
}
#define dump_header(_a) _dump_header(_a, __func__, __LINE__)
static void _dump_header(const struct os_area_header *h, const char *func,
int line)
{
char str[sizeof(h->magic_num) + 1];
dump_field(str, h->magic_num, sizeof(h->magic_num));
pr_debug("%s:%d: h.magic_num: '%s'\n", func, line,
h->magic_num);
str);
pr_debug("%s:%d: h.hdr_version: %u\n", func, line,
h->hdr_version);
pr_debug("%s:%d: h.db_area_offset: %u\n", func, line,
@ -311,7 +326,8 @@ static void _dump_params(const struct os_area_params *p, const char *func,
static int verify_header(const struct os_area_header *header)
{
if (memcmp(header->magic_num, "cell_ext_os_area", 16)) {
if (memcmp(header->magic_num, OS_AREA_HEADER_MAGIC_NUM,
sizeof(header->magic_num))) {
pr_debug("%s:%d magic_num failed\n", __func__, __LINE__);
return -1;
}
@ -331,7 +347,8 @@ static int verify_header(const struct os_area_header *header)
static int db_verify(const struct os_area_db *db)
{
if (db->magic_num != OS_AREA_DB_MAGIC_NUM) {
if (memcmp(db->magic_num, OS_AREA_DB_MAGIC_NUM,
sizeof(db->magic_num))) {
pr_debug("%s:%d magic_num failed\n", __func__, __LINE__);
return -1;
}
@ -484,8 +501,11 @@ static int db_get_rtc_diff(const struct os_area_db *db, int64_t *rtc_diff)
static void _dump_db(const struct os_area_db *db, const char *func,
int line)
{
char str[sizeof(db->magic_num) + 1];
dump_field(str, db->magic_num, sizeof(db->magic_num));
pr_debug("%s:%d: db.magic_num: '%s'\n", func, line,
(const char*)&db->magic_num);
str);
pr_debug("%s:%d: db.version: %u\n", func, line,
db->version);
pr_debug("%s:%d: db.index_64: %u\n", func, line,
@ -516,7 +536,7 @@ static void os_area_db_init(struct os_area_db *db)
memset(db, 0, sizeof(struct os_area_db));
db->magic_num = OS_AREA_DB_MAGIC_NUM;
memcpy(db->magic_num, OS_AREA_DB_MAGIC_NUM, sizeof(db->magic_num));
db->version = 1;
db->index_64 = HEADER_SIZE;
db->count_64 = VALUES_64_COUNT;

4
include/asm-powerpc/spu.h
View File

@ -246,6 +246,7 @@ struct spufs_calls {
__u32 __user *ustatus);
int (*coredump_extra_notes_size)(void);
int (*coredump_extra_notes_write)(struct file *file, loff_t *foffset);
void (*notify_spus_active)(void);
struct module *owner;
};
@ -298,6 +299,9 @@ struct notifier_block;
int spu_switch_event_register(struct notifier_block * n);
int spu_switch_event_unregister(struct notifier_block * n);
extern void notify_spus_active(void);
extern void do_notify_spus_active(void);
/*
* This defines the Local Store, Problem Area and Privlege Area of an SPU.
*/