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KVM/x86: Use 32bit xor to clear register
authorUros Bizjak <ubizjak@gmail.com>
Thu, 11 Oct 2018 17:40:45 +0000 (19:40 +0200)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 16 Oct 2018 22:30:09 +0000 (00:30 +0200)
commit51606e75b5790a41dd18e79c829c3c96a9e66c5d
tree5c76c54f6a55dba4bcb4181c747423e5b14c73b6tree | snapshot
parent500c40565c195e7d9c893db92cc5a04287839a6fcommit | diff
KVM/x86: Use 32bit xor to clear register

x86_64 zero-extends 32bit xor to a full 64bit register. Use %k asm
operand modifier to force 32bit register and save 268 bytes in kvm.o

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/vmx.c diff | blob | history
Linux Kernel Source Tree.