[POWERPC] Oprofile: Remove dependency on spufs module

This removes an OProfile dependency on the spufs module.  This
dependency was causing a problem for multiplatform systems that are
built with support for Oprofile on Cell but try to load the oprofile
module on a non-Cell system.

Signed-off-by: Bob Nelson <rrnelson@us.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Bob Nelson 2007-12-15 01:27:30 +11:00 committed by Paul Mackerras
parent c68cb23dde
commit aed3a8c9bb
8 changed files with 99 additions and 38 deletions

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)

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) \

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);

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)

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);

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

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,
};

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.
*/