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KVM: VMX: remove unneeded 'asm volatile ("")' from vmcs_write64

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__vmcs_writel uses volatile asm, so there is no need to insert another
one between the first and the second call to __vmcs_writel in order
to prevent unwanted code moves for 32bit targets.

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Uros Bizjak 2019-06-02 21:11:56 +02:00 • committed by Paolo Bonzini
commit 1ae4de23ed
1 changed files with 0 additions and 1 deletions
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1
arch/x86/kvm/vmx/ops.h
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@ -146,7 +146,6 @@ static __always_inline void vmcs_write64(unsigned long field, u64 value)
__vmcs_writel(field, value);
#ifndef CONFIG_X86_64
asm volatile ("");
__vmcs_writel(field+1, value >> 32);
#endif
}