diff options
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/pat.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 57a2af36d6e..0648a2225b0 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -47,6 +47,12 @@ static int pat_known_cpu(void) return 1; } } + if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD && + boot_cpu_data.x86 >= 0xf && boot_cpu_data.x86 <= 0x11) { + if (cpu_has_pat) { + return 1; + } + } pat_wc_enabled = 0; printk(KERN_INFO "CPU and/or kernel does not support PAT.\n"); |