| Message ID | 20200623183439.5526-1-ubizjak@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | KVM: x86: Use VMCALL and VMMCALL mnemonics in kvm_para.h | expand |
On 23/06/20 20:34, Uros Bizjak wrote: > 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> > --- > arch/x86/include/asm/kvm_para.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h > index 49d3a9edb06f..01317493807e 100644 > --- a/arch/x86/include/asm/kvm_para.h > +++ b/arch/x86/include/asm/kvm_para.h > @@ -18,7 +18,7 @@ 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 > Queued, thanks.
diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h index 49d3a9edb06f..01317493807e 100644 --- a/arch/x86/include/asm/kvm_para.h +++ b/arch/x86/include/asm/kvm_para.h @@ -18,7 +18,7 @@ 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
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> --- arch/x86/include/asm/kvm_para.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)