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KVM: x86: Tweak the code and comment related to handling concurrent NMIs
Tweak the code and comment that deals with concurrent NMIs to explicitly call out that x86 allows exactly one pending NMI, but that KVM needs to temporarily allow two pending NMIs in order to workaround the fact that the target vCPU cannot immediately recognize an incoming NMI, unlike bare metal. No functional change intended. Signed-off-by: Santosh Shukla <Santosh.Shukla@amd.com> Link: https://lore.kernel.org/r/20230227084016.3368-7-santosh.shukla@amd.com Signed-off-by: Sean Christopherson <seanjc@google.com>
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