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KVM: x86: Use VMCALL and VMMCALL mnemonics in kvm_para.h

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Current minimum required version of binutils is 2.23,
which supports VMCALL and VMMCALL instruction mnemonics.

Replace the byte-wise specification of VMCALL and
VMMCALL with these proper mnemonics.

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200623183439.5526-1-ubizjak@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Uros Bizjak 2020-06-23 20:34:39 +02:00 committed by Paolo Bonzini
parent 01c3b2b5cd
commit 4cb5b77eec
1 changed files with 1 additions and 1 deletions
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2
arch/x86/include/asm/kvm_para.h
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@ -19,7 +19,7 @@ static inline bool kvm_check_and_clear_guest_paused(void)
#endif /* CONFIG_KVM_GUEST */
#define KVM_HYPERCALL \
ALTERNATIVE(".byte 0x0f,0x01,0xc1", ".byte 0x0f,0x01,0xd9", X86_FEATURE_VMMCALL)
ALTERNATIVE("vmcall", "vmmcall", X86_FEATURE_VMMCALL)
/* For KVM hypercalls, a three-byte sequence of either the vmcall or the vmmcall
* instruction. The hypervisor may replace it with something else but only the