From: Uros Bizjak <ubizjak@gmail.com>
Date: Sun, 2 Jun 2019 19:11:56 +0000 (+0200)
Subject: KVM: VMX: remove unneeded 'asm volatile ("")' from vmcs_write64
X-Git-Tag: microblaze-v5.4-rc1~322^2~92
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=1ae4de23eddef465104277e79fa669bec7b3d288;p=linux-2.6-microblaze.git

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>
---

diff --git a/arch/x86/kvm/vmx/ops.h b/arch/x86/kvm/vmx/ops.h
index b8e50f76fefc..2200fb698dd0 100644
--- a/arch/x86/kvm/vmx/ops.h
+++ b/arch/x86/kvm/vmx/ops.h
@@ -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
 }