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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2009-07-10 08:57:56 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-10 17:24:05 -0400
commitc99e6efe1ba04561e7d93a81f0be07e37427e835 (patch)
tree8a1743463ef9676e68b9c3971f0bbeea04111bdd /arch/microblaze
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/microblaze')
-rw-r--r--arch/microblaze/include/asm/thread_info.h4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/microblaze/include/asm/thread_info.h b/arch/microblaze/include/asm/thread_info.h
index 7fac4449844..6e92885d381 100644
--- a/arch/microblaze/include/asm/thread_info.h
+++ b/arch/microblaze/include/asm/thread_info.h
@@ -75,8 +75,6 @@ struct thread_info {
75 75
76/* 76/*
77 * macros/functions for gaining access to the thread information structure 77 * macros/functions for gaining access to the thread information structure
78 *
79 * preempt_count needs to be 1 initially, until the scheduler is functional.
80 */ 78 */
81#define INIT_THREAD_INFO(tsk) \ 79#define INIT_THREAD_INFO(tsk) \
82{ \ 80{ \
@@ -84,7 +82,7 @@ struct thread_info {
84 .exec_domain = &default_exec_domain, \ 82 .exec_domain = &default_exec_domain, \
85 .flags = 0, \ 83 .flags = 0, \
86 .cpu = 0, \ 84 .cpu = 0, \
87 .preempt_count = 1, \ 85 .preempt_count = INIT_PREEMPT_COUNT, \
88 .addr_limit = KERNEL_DS, \ 86 .addr_limit = KERNEL_DS, \
89 .restart_block = { \ 87 .restart_block = { \
90 .fn = do_no_restart_syscall, \ 88 .fn = do_no_restart_syscall, \