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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 <pbonzini@redhat.com>
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Message-Id: <20200409120440.1427215-1-ubizjak@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Uros Bizjak 2020-04-09 14:04:40 +02:00 committed by Paolo Bonzini
parent b2bce0a589
commit b61f62d408
1 changed files with 0 additions and 1 deletions
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1
arch/x86/kvm/svm/vmenter.S
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@ -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