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authorUros Bizjak <ubizjak@gmail.com>2020-03-10 18:10:24 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2020-03-17 14:14:32 +0100
commitbb03911f79f610c857cf82b8ccd434101dd05356 (patch)
tree3b776e4d489904eef2cce5ab96b6c17b933b0138 /arch/x86/kvm/vmx/vmenter.S
parent1c482452d5db0f52e4e8eed95bd7314eec537d78 (diff)
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KVM: VMX: access regs array in vmenter.S in its natural order
Registers in "regs" array are indexed as rax/rcx/rdx/.../rsi/rdi/r8/... Reorder access to "regs" array in vmenter.S to follow its natural order. Signed-off-by: Uros Bizjak <ubizjak@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx/vmenter.S')
-rw-r--r--arch/x86/kvm/vmx/vmenter.S14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S
index 81ada2ce99e7..ca2065166d1d 100644
--- a/arch/x86/kvm/vmx/vmenter.S
+++ b/arch/x86/kvm/vmx/vmenter.S
@@ -135,12 +135,12 @@ SYM_FUNC_START(__vmx_vcpu_run)
cmpb $0, %bl
/* Load guest registers. Don't clobber flags. */
- mov VCPU_RBX(%_ASM_AX), %_ASM_BX
mov VCPU_RCX(%_ASM_AX), %_ASM_CX
mov VCPU_RDX(%_ASM_AX), %_ASM_DX
+ mov VCPU_RBX(%_ASM_AX), %_ASM_BX
+ mov VCPU_RBP(%_ASM_AX), %_ASM_BP
mov VCPU_RSI(%_ASM_AX), %_ASM_SI
mov VCPU_RDI(%_ASM_AX), %_ASM_DI
- mov VCPU_RBP(%_ASM_AX), %_ASM_BP
#ifdef CONFIG_X86_64
mov VCPU_R8 (%_ASM_AX), %r8
mov VCPU_R9 (%_ASM_AX), %r9
@@ -168,12 +168,12 @@ SYM_FUNC_START(__vmx_vcpu_run)
/* Save all guest registers, including RAX from the stack */
__ASM_SIZE(pop) VCPU_RAX(%_ASM_AX)
- mov %_ASM_BX, VCPU_RBX(%_ASM_AX)
mov %_ASM_CX, VCPU_RCX(%_ASM_AX)
mov %_ASM_DX, VCPU_RDX(%_ASM_AX)
+ mov %_ASM_BX, VCPU_RBX(%_ASM_AX)
+ mov %_ASM_BP, VCPU_RBP(%_ASM_AX)
mov %_ASM_SI, VCPU_RSI(%_ASM_AX)
mov %_ASM_DI, VCPU_RDI(%_ASM_AX)
- mov %_ASM_BP, VCPU_RBP(%_ASM_AX)
#ifdef CONFIG_X86_64
mov %r8, VCPU_R8 (%_ASM_AX)
mov %r9, VCPU_R9 (%_ASM_AX)
@@ -197,12 +197,12 @@ SYM_FUNC_START(__vmx_vcpu_run)
* free. RSP and RAX are exempt as RSP is restored by hardware during
* VM-Exit and RAX is explicitly loaded with 0 or 1 to return VM-Fail.
*/
-1: xor %ebx, %ebx
- xor %ecx, %ecx
+1: xor %ecx, %ecx
xor %edx, %edx
+ xor %ebx, %ebx
+ xor %ebp, %ebp
xor %esi, %esi
xor %edi, %edi
- xor %ebp, %ebp
#ifdef CONFIG_X86_64
xor %r8d, %r8d
xor %r9d, %r9d