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| author | Keir Fraser <keir@xensource.com> | 2007-11-13 20:08:39 +0000 |
|---|---|---|
| committer | Keir Fraser <keir@xensource.com> | 2007-11-13 20:08:39 +0000 |
| commit | 39b6f0629adacfc86819c26074c79ddb34acc326 (patch) | |
| tree | cb45cbd9e5d0a14a53f666014d82dd91954cf77c /xen/arch/x86/boot | |
| parent | 3192c29b6aa686e1c3f1a63aa3489331a21f0967 (diff) | |
| download | xen-39b6f0629adacfc86819c26074c79ddb34acc326.tar.gz xen-39b6f0629adacfc86819c26074c79ddb34acc326.tar.bz2 xen-39b6f0629adacfc86819c26074c79ddb34acc326.zip | |
x86: Do not read/write EFER MSR if it doesn't exist.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'xen/arch/x86/boot')
| -rw-r--r-- | xen/arch/x86/boot/head.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/xen/arch/x86/boot/head.S b/xen/arch/x86/boot/head.S index 168bedefd4..775c89a45b 100644 --- a/xen/arch/x86/boot/head.S +++ b/xen/arch/x86/boot/head.S @@ -98,6 +98,7 @@ __start: mov $0x80000001,%eax cpuid 1: mov %edx,sym_phys(cpuid_ext_features) + mov %edx,sym_phys(boot_cpu_data)+CPUINFO_ext_features #if defined(__x86_64__) /* Check for availability of long mode. */ |