Commit 1ae4de23 authored Jun 02, 2019 by Uros Bizjak Committed by Paolo Bonzini Jun 05, 2019

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



__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>

parent b3ffd74a

arch/x86/kvm/vmx/ops.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -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
		}

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