Re: [PATCH RFC] x86: avoid atomic operation intest_and_set_bit_lock if possible

[Peter Zijlstra]

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.

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