KVM: x86: Read CR4.DE in emulator if and only if accessing DR4 or DR5

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Micro-optimize emulation of MOV DR instructions by checking CR4.DE if and
only if DR4 or DR5 is being accessed.

No functional change intended.

Reviewed-by: Jim Mattson <jmattson@google.com>
Link: https://patch.msgid.link/20260612230113.684301-9-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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This commit is contained in:

Sean Christopherson 2026-06-12 16:01:13 -07:00

parent b077cfed52

commit 7a642d8dcf

1 changed files with 1 additions and 3 deletions

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arch/x86/kvm/emulate.c

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