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authorIngo Molnar <mingo@elte.hu>2009-06-17 18:21:41 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-17 18:21:41 +0200
commit813400060fe2824163cabd9afed4e476e7ce282e (patch)
tree22141d6e937991761345a63dd80125be13eb50ea /arch/x86/kernel/cpu
parent1bf7b31efa0c322d93cb3f772cd9bc743e8bb42d (diff)
parentfe955e5c793aab398794be4c5ede172d48446c4a (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.c3
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c2
-rw-r--r--arch/x86/kernel/cpu/perfctr-watchdog.c12
3 files changed, 12 insertions, 5 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 3ffdcfa9abd..5b9cb8839ca 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 6095e0296ab..2a560cefb67 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 d6f5b9fbde3..5c481f6205b 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;
}