diff options
author | Bob Nelson <rrnelson@linux.vnet.ibm.com> | 2007-12-14 14:27:30 (GMT) |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2007-12-28 04:07:52 (GMT) |
commit | aed3a8c9bb1a8623a618232087c5ff62718e3b9a (patch) | |
tree | 3998117906b40887ce7739288403927f461bf4f4 | |
parent | c68cb23dde29fb107575656effa46f7b9440ac04 (diff) | |
download | linux-fsl-qoriq-aed3a8c9bb1a8623a618232087c5ff62718e3b9a.tar.xz |
[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>
-rw-r--r-- | arch/powerpc/platforms/cell/Kconfig | 5 | ||||
-rw-r--r-- | arch/powerpc/platforms/cell/Makefile | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/cell/spu_notify.c | 67 | ||||
-rw-r--r-- | arch/powerpc/platforms/cell/spu_syscalls.c | 14 | ||||
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/context.c | 16 | ||||
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/sched.c | 29 | ||||
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/syscalls.c | 1 | ||||
-rw-r--r-- | include/asm-powerpc/spu.h | 4 |
8 files changed, 99 insertions, 38 deletions
diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index e1e2f6a..3a963b4 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -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) + diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile index 61d12f1..39d695c 100644 --- a/arch/powerpc/platforms/cell/Makefile +++ b/arch/powerpc/platforms/cell/Makefile @@ -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) \ diff --git a/arch/powerpc/platforms/cell/spu_notify.c b/arch/powerpc/platforms/cell/spu_notify.c new file mode 100644 index 0000000..34d1569 --- /dev/null +++ b/arch/powerpc/platforms/cell/spu_notify.c @@ -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); + diff --git a/arch/powerpc/platforms/cell/spu_syscalls.c b/arch/powerpc/platforms/cell/spu_syscalls.c index a9438b7..75530d9 100644 --- a/arch/powerpc/platforms/cell/spu_syscalls.c +++ b/arch/powerpc/platforms/cell/spu_syscalls.c @@ -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) diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c index 9cb081c..adf0a03 100644 --- a/arch/powerpc/platforms/cell/spufs/context.c +++ b/arch/powerpc/platforms/cell/spufs/context.c @@ -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); - - diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 4d257b3..6e2a45e 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -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) -{ - 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) +#ifndef MODULE +void notify_spus_active(void) { - return blocking_notifier_chain_unregister(&spu_switch_notifier, n); + do_notify_spus_active(); } -EXPORT_SYMBOL_GPL(spu_switch_event_unregister); +EXPORT_SYMBOL_GPL(notify_spus_active); +#endif /** * spu_bind_context - bind spu context to physical spu diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c index 2c34f71..4304044 100644 --- a/arch/powerpc/platforms/cell/spufs/syscalls.c +++ b/arch/powerpc/platforms/cell/spufs/syscalls.c @@ -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, }; diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h index b1accce..34b7807 100644 --- a/include/asm-powerpc/spu.h +++ b/include/asm-powerpc/spu.h @@ -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. */ |