From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 20 Dec 2005 10:54:17 +0000 (+0100)
Subject: [PATCH] fix spinlock-debugging smp_processor_id() usage
X-Git-Tag: v2.6.15-rc7~16^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bb44f116a14c4c932f15c79acfafd46bcb43ca9a;p=pandora-kernel.git

[PATCH] fix spinlock-debugging smp_processor_id() usage

When a spinlock debugging check hits, we print the CPU number as an
informational thing - but there is no guarantee that preemption is off
at that point - hence we should use raw_smp_processor_id().  Otherwise
DEBUG_PREEMPT will print a warning.

With this fix the warning goes away and only the spinlock-debugging info
is printed.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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