diff options
| author | Andreas Herrmann <andreas.herrmann3@amd.com> | 2010-09-30 14:33:58 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2010-10-01 16:18:32 -0700 |
| commit | 420b13b60a3e5c5dcc6ec290e131cf5fbc603d94 (patch) | |
| tree | 71e05632b794a2ac4ecd3790054b23bc6faaf291 | |
| parent | 3fdbf004c1706480a7c7fac3c9d836fa6df20d7d (diff) | |
x86, nmi: Support NMI watchdog on newer AMD CPU families
CPU families 0x12, 0x14 and 0x15 support this functionality.
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
LKML-Reference: <20100930123357.GC20545@loge.amd.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| -rw-r--r-- | arch/x86/kernel/cpu/perfctr-watchdog.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c index fb329e9f849..d9f4ff8fcd6 100644 --- a/arch/x86/kernel/cpu/perfctr-watchdog.c +++ b/arch/x86/kernel/cpu/perfctr-watchdog.c @@ -700,11 +700,10 @@ static void probe_nmi_watchdog(void) { switch (boot_cpu_data.x86_vendor) { case X86_VENDOR_AMD: - if (boot_cpu_data.x86 != 6 && boot_cpu_data.x86 != 15 && - boot_cpu_data.x86 != 16 && boot_cpu_data.x86 != 17) - return; - wd_ops = &k7_wd_ops; - break; + if (boot_cpu_data.x86 == 6 || + (boot_cpu_data.x86 >= 0xf && boot_cpu_data.x86 <= 0x15)) + wd_ops = &k7_wd_ops; + return; case X86_VENDOR_INTEL: /* Work around where perfctr1 doesn't have a working enable * bit as described in the following errata: |