diff options
| author | Zhang Yanfei <zhangyanfei@cn.fujitsu.com> | 2012-12-06 19:40:47 +0400 |
|---|---|---|
| committer | Gleb Natapov <gleb@redhat.com> | 2012-12-06 20:25:36 +0400 |
| commit | f23d1f4a116038c68df224deae6718fde87d8f0d (patch) | |
| tree | 72d414b6fddf5b726559fba66d2f1d7ffc21de7b /arch/x86/include/asm | |
| parent | c21934632549910188fb5cf40e79033f27a0741b (diff) | |
| download | linux-f23d1f4a116038c68df224deae6718fde87d8f0d.tar.xz | |
x86/kexec: VMCLEAR VMCSs loaded on all cpus if necessary
This patch provides a way to VMCLEAR VMCSs related to guests
on all cpus before executing the VMXOFF when doing kdump. This
is used to ensure the VMCSs in the vmcore updated and
non-corrupted.
Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/kexec.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h index 317ff1703d0b..28feeba2fdd6 100644 --- a/arch/x86/include/asm/kexec.h +++ b/arch/x86/include/asm/kexec.h @@ -163,6 +163,8 @@ struct kimage_arch { }; #endif +extern void (*crash_vmclear_loaded_vmcss)(void); + #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_KEXEC_H */ |