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| /openbmc/linux/arch/x86/kvm/mmu/ |
| H A D | spte.c | 715f1079 Thu Feb 25 14:47:48 CST 2021 Sean Christopherson <seanjc@google.com> KVM: x86/mmu: Use low available bits for removed SPTEs
Use low "available" bits to tag REMOVED SPTEs. Using a high bit is
moderately costly as it often causes the compiler to generate a 64-bit
immediate. More importantly, this makes it very clear REMOVED_SPTE is
a value, not a flag.
Cc: Ben Gardon <bgardon@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210225204749.1512652-24-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
| H A D | spte.h | 715f1079 Thu Feb 25 14:47:48 CST 2021 Sean Christopherson <seanjc@google.com> KVM: x86/mmu: Use low available bits for removed SPTEs
Use low "available" bits to tag REMOVED SPTEs. Using a high bit is
moderately costly as it often causes the compiler to generate a 64-bit
immediate. More importantly, this makes it very clear REMOVED_SPTE is
a value, not a flag.
Cc: Ben Gardon <bgardon@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210225204749.1512652-24-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|