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

Peter Zijlstra
2011-03-25T11:08:13Z

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.