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SubjectRe: [PATCH 3/3] KVM: VMX: mark RDMSR path as unlikely
On Wed, Feb 21, 2018 at 1:41 PM, Paolo Bonzini <pbonzini@redhat.com> wrote:
> vmx_vcpu_run and svm_vcpu_run are large functions, and this can actually
> make a substantial cycle difference by keeping the fast path contiguous
> in memory. Without it, the retpoline guest/retpoline host case is about
> 50 cycles slower.
>
> Cc: x86@kernel.org
> Cc: Radim Krčmář <rkrcmar@redhat.com>
> Cc: KarimAllah Ahmed <karahmed@amazon.de>
> Cc: David Woodhouse <dwmw@amazon.co.uk>
> Cc: Jim Mattson <jmattson@google.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc: stable@vger.kernel.org
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Reviewed-by: Jim Mattson <jmattson@google.com>

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