Re: [PATCH RFC] x86: avoid atomic operation in test_and_set_bit_lockif possible

From: Ingo Molnar
Date: Fri Mar 25 2011 - 07:12:10 EST



* Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote:

> On Fri, 2011-03-25 at 10:59 +0100, Ingo Molnar wrote:
> >
> > Wanted to keep this patch simple - we are not really hitting MSR failure cases
> > in practice,
>
> Everything qemu/kvm hits those.

and other virtualizers as well. I meant on real hardware with a real BIOS.

Thanks,

Ingo
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