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SubjectRe: [PATCH] x86/oprofile: disable preemption in nmi_shutdown

* Vegard Nossum <vegard.nossum@gmail.com> wrote:

> From: Vegard Nossum <vegard.nossum@gmail.com>
> Date: Sat, 21 Jun 2008 23:44:19 +0200
> Subject: [PATCH] x86/oprofile: disable preemption in nmi_shutdown
>
> BUG: using smp_processor_id() in preemptible [00000000] code: oprofiled/27301
> caller is nmi_shutdown+0x11/0x60
> Pid: 27301, comm: oprofiled Not tainted 2.6.26-rc7 #25
> [<c028a90d>] debug_smp_processor_id+0xbd/0xc0
> [<c045fba1>] nmi_shutdown+0x11/0x60
> [<c045dd4a>] oprofile_shutdown+0x2a/0x60
>
> Note that we don't need this for the other functions, since they are
> all called with on_each_cpu() (which disables preemption for us
> anyway).

applied to tip/x86/oprofile - thanks Vegard.

Ingo


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