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KVM:x86: Clean up ModR/M "reg" initialization in reg op decoding
authorLiam Ni <zhiguangni01@gmail.com>
Thu, 8 Sep 2022 14:12:10 +0000 (22:12 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Mon, 26 Sep 2022 16:02:34 +0000 (12:02 -0400)
commit7e727e58a63f183c87f95857be9e10d8e534c0b4
treef2ddbf327ce12e43410d6061c9ee58295a244f36tree | snapshot
parent0c1622b96e383288e9b4861033c3f9ed1b8022d1commit | diff
KVM:x86: Clean up ModR/M "reg" initialization in reg op decoding

Refactor decode_register_operand() to get the ModR/M register if and
only if the instruction uses a ModR/M encoding to make it more obvious
how the register operand is retrieved.

Signed-off-by: Liam Ni <zhiguangni01@gmail.com>
Link: https://lore.kernel.org/r/20220908141210.1375828-1-zhiguangni01@zhaoxin.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/emulate.c diff | blob | history
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