On Wed, Feb 21, 2018 at 1:41 PM, Paolo Bonzini <pbonzini@xxxxxxxxxx> 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@xxxxxxxxxx > Cc: Radim Krčmář <rkrcmar@xxxxxxxxxx> > Cc: KarimAllah Ahmed <karahmed@xxxxxxxxx> > Cc: David Woodhouse <dwmw@xxxxxxxxxxxx> > Cc: Jim Mattson <jmattson@xxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>