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KVM: SVM: avoid frequency indirect calls
authorPeng Hao <flyingpeng@tencent.com>
Thu, 6 Mar 2025 07:54:25 +0000 (15:54 +0800)
committerSean Christopherson <seanjc@google.com>
Fri, 25 Apr 2025 23:19:56 +0000 (16:19 -0700)
commitbb5081f4abf2d91ae3ed22d7d1157c91d23db5ed
tree67ba6508514c334531c067ffaf286c6b2fdb69e0tree
parentb6bc164f41dbee11a4f2913f8fda22066689aa95commit | diff
KVM: SVM: avoid frequency indirect calls

When retpoline is enabled, indirect function calls introduce additional
performance overhead. Avoid frequent indirect calls to VMGEXIT when SEV
is enabled.

Signed-off-by: Peng Hao <flyingpeng@tencent.com>
Link: https://lore.kernel.org/r/20250306075425.66693-1-flyingpeng@tencent.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
arch/x86/kvm/svm/svm.c diff | blob | history
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