KVM:x86: Clean up ModR/M "reg" initialization in reg op decoding

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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>

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Liam Ni 2022-09-08 22:12:10 +08:00 • committed by Paolo Bonzini

parent 02dfc44f20

commit e390f4d69d

1 changed files with 4 additions and 2 deletions

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arch/x86/kvm/emulate.c

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