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Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c18
-rw-r--r--arch/x86/kernel/cpu/perf_event_p4.c6
-rw-r--r--arch/x86/kernel/module.c3
-rw-r--r--arch/x86/oprofile/nmi_int.c1
-rw-r--r--arch/x86/xen/time.c5
5 files changed, 22 insertions, 11 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
index 994230d4dc4e..4f6f679f2799 100644
--- a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
@@ -368,16 +368,22 @@ static int __init pcc_cpufreq_do_osc(acpi_handle *handle)
return -ENODEV;
out_obj = output.pointer;
- if (out_obj->type != ACPI_TYPE_BUFFER)
- return -ENODEV;
+ if (out_obj->type != ACPI_TYPE_BUFFER) {
+ ret = -ENODEV;
+ goto out_free;
+ }
errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0);
- if (errors)
- return -ENODEV;
+ if (errors) {
+ ret = -ENODEV;
+ goto out_free;
+ }
supported = *((u32 *)(out_obj->buffer.pointer + 4));
- if (!(supported & 0x1))
- return -ENODEV;
+ if (!(supported & 0x1)) {
+ ret = -ENODEV;
+ goto out_free;
+ }
out_free:
kfree(output.pointer);
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index b560db3305be..249015173992 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -660,8 +660,12 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
for (idx = 0; idx < x86_pmu.num_counters; idx++) {
int overflow;
- if (!test_bit(idx, cpuc->active_mask))
+ if (!test_bit(idx, cpuc->active_mask)) {
+ /* catch in-flight IRQs */
+ if (__test_and_clear_bit(idx, cpuc->running))
+ handled++;
continue;
+ }
event = cpuc->events[idx];
hwc = &event->hw;
diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index e0bc186d7501..1c355c550960 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -239,11 +239,10 @@ int module_finalize(const Elf_Ehdr *hdr,
apply_paravirt(pseg, pseg + para->sh_size);
}
- return module_bug_finalize(hdr, sechdrs, me);
+ return 0;
}
void module_arch_cleanup(struct module *mod)
{
alternatives_smp_module_del(mod);
- module_bug_cleanup(mod);
}
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 009b819f48d0..f1575c9a2572 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -674,6 +674,7 @@ static int __init ppro_init(char **cpu_type)
case 0x0f:
case 0x16:
case 0x17:
+ case 0x1d:
*cpu_type = "i386/core_2";
break;
case 0x1a:
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 1a5353a753fc..b2bb5aa3b054 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -489,8 +489,9 @@ static void xen_hvm_setup_cpu_clockevents(void)
__init void xen_hvm_init_time_ops(void)
{
/* vector callback is needed otherwise we cannot receive interrupts
- * on cpu > 0 */
- if (!xen_have_vector_callback && num_present_cpus() > 1)
+ * on cpu > 0 and at this point we don't know how many cpus are
+ * available */
+ if (!xen_have_vector_callback)
return;
if (!xen_feature(XENFEAT_hvm_safe_pvclock)) {
printk(KERN_INFO "Xen doesn't support pvclock on HVM,"