diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-06-17 18:21:41 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-17 18:21:41 +0200 |
| commit | 813400060fe2824163cabd9afed4e476e7ce282e (patch) | |
| tree | 22141d6e937991761345a63dd80125be13eb50ea /arch/x86/kernel/cpu | |
| parent | 1bf7b31efa0c322d93cb3f772cd9bc743e8bb42d (diff) | |
| parent | fe955e5c793aab398794be4c5ede172d48446c4a (diff) | |
Merge branch 'x86/urgent' into x86/mce3
Conflicts:
arch/x86/kernel/cpu/mcheck/mce_intel.c
Merge reason: merge with an urgent-branch MCE fix.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/perfctr-watchdog.c | 12 |
3 files changed, 12 insertions, 5 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 3ffdcfa9abdf..5b9cb8839cae 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -853,6 +853,9 @@ static void __cpuinit identify_cpu(struct cpuinfo_x86 *c) #if defined(CONFIG_NUMA) && defined(CONFIG_X86_64) numa_add_cpu(smp_processor_id()); #endif + + /* Cap the iomem address space to what is addressable on all CPUs */ + iomem_resource.end &= (1ULL << c->x86_phys_bits) - 1; } #ifdef CONFIG_X86_64 diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 6095e0296abd..2a560cefb675 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1249,7 +1249,7 @@ static void mce_cpu_quirks(struct cpuinfo_x86 *c) * Various K7s with broken bank 0 around. Always disable * by default. */ - if (c->x86 == 6) + if (c->x86 == 6 && banks > 0) bank[0] = 0; } diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c index d6f5b9fbde32..5c481f6205bf 100644 --- a/arch/x86/kernel/cpu/perfctr-watchdog.c +++ b/arch/x86/kernel/cpu/perfctr-watchdog.c @@ -716,11 +716,15 @@ static void probe_nmi_watchdog(void) wd_ops = &k7_wd_ops; break; case X86_VENDOR_INTEL: - /* - * Work around Core Duo (Yonah) errata AE49 where perfctr1 - * doesn't have a working enable bit. + /* Work around where perfctr1 doesn't have a working enable + * bit as described in the following errata: + * AE49 Core Duo and Intel Core Solo 65 nm + * AN49 Intel Pentium Dual-Core + * AF49 Dual-Core Intel Xeon Processor LV */ - if (boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model == 14) { + if ((boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model == 14) || + ((boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model == 15 && + boot_cpu_data.x86_mask == 4))) { intel_arch_wd_ops.perfctr = MSR_ARCH_PERFMON_PERFCTR0; intel_arch_wd_ops.evntsel = MSR_ARCH_PERFMON_EVENTSEL0; } |