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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2009-07-10 14:57:56 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-10 14:24:05 -0700
commitc99e6efe1ba04561e7d93a81f0be07e37427e835 (patch)
tree8a1743463ef9676e68b9c3971f0bbeea04111bdd /arch/sparc/include
parent2a6f86bc5ed4af2ff04bc927eb77789c70e53a1e (diff)
sched: INIT_PREEMPT_COUNT
Pull the initial preempt_count value into a single definition site. Maintainers for: alpha, ia64 and m68k, please have a look, your arch code is funny. The header magic is a bit odd, but similar to the KERNEL_DS one, CPP waits with expanding these macros until the INIT_THREAD_INFO macro itself is expanded, which is in arch/*/kernel/init_task.c where we've already included sched.h so we're good. Cc: tony.luck@intel.com Cc: rth@twiddle.net Cc: geert@linux-m68k.org Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sparc/include')
-rw-r--r--arch/sparc/include/asm/thread_info_32.h4
-rw-r--r--arch/sparc/include/asm/thread_info_64.h4
2 files changed, 2 insertions, 6 deletions
diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
index 0f7b0e5fb1c..844d73a0340 100644
--- a/arch/sparc/include/asm/thread_info_32.h
+++ b/arch/sparc/include/asm/thread_info_32.h
@@ -54,8 +54,6 @@ struct thread_info {
/*
* macros/functions for gaining access to the thread information structure
- *
- * preempt_count needs to be 1 initially, until the scheduler is functional.
*/
#define INIT_THREAD_INFO(tsk) \
{ \
@@ -64,7 +62,7 @@ struct thread_info {
.exec_domain = &default_exec_domain, \
.flags = 0, \
.cpu = 0, \
- .preempt_count = 1, \
+ .preempt_count = INIT_PREEMPT_COUNT, \
.restart_block = { \
.fn = do_no_restart_syscall, \
}, \
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 65865726b28..1b45a7bbe40 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -125,8 +125,6 @@ struct thread_info {
/*
* macros/functions for gaining access to the thread information structure
- *
- * preempt_count needs to be 1 initially, until the scheduler is functional.
*/
#ifndef __ASSEMBLY__
@@ -135,7 +133,7 @@ struct thread_info {
.task = &tsk, \
.flags = ((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT, \
.exec_domain = &default_exec_domain, \
- .preempt_count = 1, \
+ .preempt_count = INIT_PREEMPT_COUNT, \
.restart_block = { \
.fn = do_no_restart_syscall, \
}, \