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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:43:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:43:43 +0000
commit707f12e5cf5fccb32d14e8c03a18c07699724b4c (patch)
treeab06af4c94044b98ba14a10ba2477df29567be47 /arch/x86/kvm/vmx/vmenter.S
parentReleasing progress-linux version 6.7.7-1~progress7.99u1. (diff)
downloadlinux-707f12e5cf5fccb32d14e8c03a18c07699724b4c.tar.xz
linux-707f12e5cf5fccb32d14e8c03a18c07699724b4c.zip
Merging upstream version 6.7.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/kvm/vmx/vmenter.S')
-rw-r--r--arch/x86/kvm/vmx/vmenter.S9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S
index be275a0410..139960deb7 100644
--- a/arch/x86/kvm/vmx/vmenter.S
+++ b/arch/x86/kvm/vmx/vmenter.S
@@ -139,7 +139,7 @@ SYM_FUNC_START(__vmx_vcpu_run)
mov (%_ASM_SP), %_ASM_AX
/* Check if vmlaunch or vmresume is needed */
- test $VMX_RUN_VMRESUME, %ebx
+ bt $VMX_RUN_VMRESUME_SHIFT, %ebx
/* Load guest registers. Don't clobber flags. */
mov VCPU_RCX(%_ASM_AX), %_ASM_CX
@@ -161,8 +161,11 @@ SYM_FUNC_START(__vmx_vcpu_run)
/* Load guest RAX. This kills the @regs pointer! */
mov VCPU_RAX(%_ASM_AX), %_ASM_AX
- /* Check EFLAGS.ZF from 'test VMX_RUN_VMRESUME' above */
- jz .Lvmlaunch
+ /* Clobbers EFLAGS.ZF */
+ CLEAR_CPU_BUFFERS
+
+ /* Check EFLAGS.CF from the VMX_RUN_VMRESUME bit test above. */
+ jnc .Lvmlaunch
/*
* After a successful VMRESUME/VMLAUNCH, control flow "magically"