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KVM: SVM: Do not setup frame pointer in __svm_vcpu_run
authorUros Bizjak <ubizjak@gmail.com>
Thu, 9 Apr 2020 12:04:40 +0000 (14:04 +0200)
committerPaolo Bonzini <pbonzini@redhat.com>
Wed, 15 Apr 2020 16:08:38 +0000 (12:08 -0400)
commitb61f62d408959a37bb6b19f9521b682aec3a5601
tree4b2888a373b018ecb8f77cd26e70c8a2e7f74dc9tree | snapshot
parentb2bce0a589cafcf1a8755627b932c80621aef575commit | diff
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>
arch/x86/kvm/svm/vmenter.S diff | blob | history
Domain: System / Kernel;