KVM: nSVM: Unify RIP and PMU handling calls when emulating VMRUN

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The code paths for advancing RIP and retiring the instruction for RIP
are very similar whether or not caching vmcb12 succeeds. The only
difference is handling mapping failures (i.e. EFAULT).

Pull the mapping failure handling out and unify the calls to
svm_skip_emulated_instruction() and kvm_pmu_instruction_retired(), but
return immediately after if copying and caching vmcb12 failed. A nice
side effect of this is that the FIXME comment is now above the only code
path calling svm_skip_emulated_instruction().

Signed-off-by: Yosry Ahmed <yosry@kernel.org>
Link: https://patch.msgid.link/20260527234711.4175166-4-yosry@kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>

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Yosry Ahmed 2026-05-27 23:46:57 +00:00 • committed by Sean Christopherson

parent 42ff88db18

commit 0a35c2a051

1 changed files with 8 additions and 12 deletions

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arch/x86/kvm/svm/nested.c

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