diff options
| author | Sean Christopherson <seanjc@google.com> | 2023-07-21 23:18:44 +0300 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2023-08-04 01:37:14 +0300 |
| commit | baeb4de7ad12b700a91f2a7be8e1c0389a5c8fd4 (patch) | |
| tree | e94d52ff9c7211d843c24b93f2cb27072edc5efc /arch/x86/include | |
| parent | 119b5cb4ffd0166f3e98e9ee042f5046f7744f28 (diff) | |
| download | linux-baeb4de7ad12b700a91f2a7be8e1c0389a5c8fd4.tar.xz | |
x86/reboot: KVM: Disable SVM during reboot via virt/KVM reboot callback
Use the virt callback to disable SVM (and set GIF=1) during an emergency
instead of blindly attempting to disable SVM. Like the VMX case, if a
hypervisor, i.e. KVM, isn't loaded/active, SVM can't be in use.
Acked-by: Kai Huang <kai.huang@intel.com>
Link: https://lore.kernel.org/r/20230721201859.2307736-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/virtext.h | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/x86/include/asm/virtext.h b/arch/x86/include/asm/virtext.h index 5bc29fab15da..aaed66249ccf 100644 --- a/arch/x86/include/asm/virtext.h +++ b/arch/x86/include/asm/virtext.h @@ -133,12 +133,4 @@ fault: } } -/** Makes sure SVM is disabled, if it is supported on the CPU - */ -static inline void cpu_emergency_svm_disable(void) -{ - if (cpu_has_svm(NULL)) - cpu_svm_disable(); -} - #endif /* _ASM_X86_VIRTEX_H */ |