22 Feb
2018
22 Feb
'18
12:25 a.m.
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