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sched: INIT_PREEMPT_COUNT

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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: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Peter Zijlstra <[email protected]>
Acked-by: Matt Mackall <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Peter Zijlstra 2009-07-10 14:57:56 +02:00 • committed by Linus Torvalds
commit c99e6efe1b
24 changed files with 29 additions and 40 deletions
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4
arch/cris/include/asm/thread_info.h
View file

@ -50,8 +50,6 @@ 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__
#define INIT_THREAD_INFO(tsk) \
@ -60,7 +58,7 @@ struct thread_info {
.exec_domain = &default_exec_domain, \
.flags = 0, \
.cpu = 0, \
.preempt_count = 1, \
.preempt_count = INIT_PREEMPT_COUNT, \
.addr_limit = KERNEL_DS, \
.restart_block = { \
.fn = do_no_restart_syscall, \