KVM: SVM: Do not setup frame pointer in __svm_vcpu_run

__svm_vcpu_run is a leaf function and does not need
a frame pointer.  %rbp is also destroyed a few instructions
later when guest registers are loaded.

Cc: Paolo Bonzini <[email protected]>
Signed-off-by: Uros Bizjak <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>

Author: ubizjak

arch/x86/kvm/svm/vmenter.S

@@ -36,7 +36,6 @@
  */
 SYM_FUNC_START(__svm_vcpu_run)
 	push %_ASM_BP
-	mov  %_ASM_SP, %_ASM_BP
 #ifdef CONFIG_X86_64
 	push %r15
 	push %r14