From: Andi Kleen Date: Tue, 19 Aug 2008 01:13:38 +0000 (+0200) Subject: x86: fix oprofile + hibernation badness X-Git-Tag: v2.6.27-rc5~50^2~15 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=80a8c9fffa78f57d7d4351af2f15a56386805ceb;p=pandora-kernel.git x86: fix oprofile + hibernation badness Vegard Nossum reported oprofile + hibernation problems: > Now some warnings: > > ------------[ cut here ]------------ > WARNING: at /uio/arkimedes/s29/vegardno/git-working/linux-2.6/kernel/smp.c:328 s > mp_call_function_mask+0x194/0x1a0() The usual problem: the suspend function when interrupts are already disabled calls smp_call_function which is not allowed with interrupt off. But at this point all the other CPUs should be already down anyways, so it should be enough to just drop that. This patch should fix that problem at least by fixing cpu hotplug& suspend support. [ mingo@elte.hu: fixed 5 coding style errors. ] Signed-off-by: Andi Kleen Tested-by: Vegard Nossum Signed-off-by: Ingo Molnar --- Reading git-diff-tree failed