Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=22d660...
Commit: 22d660ffd0db8d136b122751287d186e869ca474
Parent: 199f45c45e8d4f58a5f568464be933534460eb82
Author: Milton Miller <miltonm@bga.com>
AuthorDate: Fri Oct 10 01:56:45 2008 +0000
Committer: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CommitDate: Mon Oct 13 16:24:20 2008 +1100
powerpc/smp: No need to set_need_resched when getting a resched IPI
The comment in the code was asking "Do we have to do this?", and according
to x86 and s390 the answer is no, the scheduler will do it before calling
the arch hook.
Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
arch/powerpc/kernel/smp.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 5337ca7..3ee736f 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -101,8 +101,7 @@ void smp_message_recv(int msg)
generic_smp_call_function_interrupt();
break;
case PPC_MSG_RESCHEDULE:
- /* XXX Do we have to do this? */
- set_need_resched();
+ /* we notice need_resched on exit */
break;
case PPC_MSG_CALL_FUNC_SINGLE:
generic_smp_call_function_single_interrupt();
--
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