Re: [PATCH 19/22] 2.6.22-rc3 perfmon2 : modified x86_64 files

From: Andi Kleen
Date: Thu May 31 2007 - 10:20:48 EST


On Thu, May 31, 2007 at 07:16:00AM -0700, Stephane Eranian wrote:
> This is it. the check for uncommon bits is below (_TIF_WORK_CTXSW). Then
> we need to check each uncommon bits (done above). Did you have something else
> in mind?

Ah it's ok sorry.

> > Just use a cpu notifier instead. No need to add everybody's per cpu init code here.
>
> The code must run on the CPU that is being initialized.

smp_call_function_single()

> >
> > No compat syscalls?
> >
> compat syscalls for what? I need to ensure backward compatiblity on IA-64 only.

For 32bit / i386 code.

-Andi
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