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Merge branch 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86/debug changes from Ingo Molnar.

* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Fix section warnings
  x86-64: Fix CFI data for common_interrupt()
  x86: Properly _init-annotate NMI selftest code
  x86/debug: Fix/improve the show_msr=<cpus> debug print out
This commit is contained in:
Linus Torvalds 2012-03-22 09:30:39 -07:00
commit 4c64616bb5
7 changed files with 33 additions and 30 deletions
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1
arch/x86/include/asm/processor.h
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@ -162,6 +162,7 @@ extern void early_cpu_init(void);
extern void identify_boot_cpu(void);
extern void identify_secondary_cpu(struct cpuinfo_x86 *);
extern void print_cpu_info(struct cpuinfo_x86 *);
void print_cpu_msr(struct cpuinfo_x86 *);
extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
extern unsigned short num_cache_leaves;

2
arch/x86/kernel/acpi/boot.c
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@ -593,7 +593,7 @@ void __init acpi_set_irq_model_ioapic(void)
#ifdef CONFIG_ACPI_HOTPLUG_CPU
#include <acpi/processor.h>
static void acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
static void __cpuinitdata acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
{
#ifdef CONFIG_ACPI_NUMA
int nid;

14
arch/x86/kernel/cpu/common.c
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@ -933,7 +933,7 @@ static const struct msr_range msr_range_array[] __cpuinitconst = {
{ 0xc0011000, 0xc001103b},
};
static void __cpuinit print_cpu_msr(void)
static void __cpuinit __print_cpu_msr(void)
{
unsigned index_min, index_max;
unsigned index;
@ -997,13 +997,13 @@ void __cpuinit print_cpu_info(struct cpuinfo_x86 *c)
else
printk(KERN_CONT "\n");
#ifdef CONFIG_SMP
__print_cpu_msr();
}
void __cpuinit print_cpu_msr(struct cpuinfo_x86 *c)
{
if (c->cpu_index < show_msr)
print_cpu_msr();
#else
if (show_msr)
print_cpu_msr();
#endif
__print_cpu_msr();
}
static __init int setup_disablecpuid(char *arg)

2
arch/x86/kernel/entry_64.S
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@ -812,7 +812,7 @@ ret_from_intr:
/* Restore saved previous stack */
popq %rsi
CFI_DEF_CFA_REGISTER rsi
CFI_DEF_CFA rsi,SS+8-RBP /* reg/off reset after def_cfa_expr */
leaq ARGOFFSET-RBP(%rsi), %rsp
CFI_DEF_CFA_REGISTER rsp
CFI_ADJUST_CFA_OFFSET RBP-ARGOFFSET

37
arch/x86/kernel/nmi_selftest.c
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@ -12,6 +12,7 @@
#include <linux/smp.h>
#include <linux/cpumask.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <asm/apic.h>
#include <asm/nmi.h>
@ -20,35 +21,35 @@
#define FAILURE 1
#define TIMEOUT 2
static int nmi_fail;
static int __initdata nmi_fail;
/* check to see if NMI IPIs work on this machine */
static DECLARE_BITMAP(nmi_ipi_mask, NR_CPUS) __read_mostly;
static DECLARE_BITMAP(nmi_ipi_mask, NR_CPUS) __initdata;
static int testcase_total;
static int testcase_successes;
static int expected_testcase_failures;
static int unexpected_testcase_failures;
static int unexpected_testcase_unknowns;
static int __initdata testcase_total;
static int __initdata testcase_successes;
static int __initdata expected_testcase_failures;
static int __initdata unexpected_testcase_failures;
static int __initdata unexpected_testcase_unknowns;
static int nmi_unk_cb(unsigned int val, struct pt_regs *regs)
static int __init nmi_unk_cb(unsigned int val, struct pt_regs *regs)
{
unexpected_testcase_unknowns++;
return NMI_HANDLED;
}
static void init_nmi_testsuite(void)
static void __init init_nmi_testsuite(void)
{
/* trap all the unknown NMIs we may generate */
register_nmi_handler(NMI_UNKNOWN, nmi_unk_cb, 0, "nmi_selftest_unk");
}
static void cleanup_nmi_testsuite(void)
static void __init cleanup_nmi_testsuite(void)
{
unregister_nmi_handler(NMI_UNKNOWN, "nmi_selftest_unk");
}
static int test_nmi_ipi_callback(unsigned int val, struct pt_regs *regs)
static int __init test_nmi_ipi_callback(unsigned int val, struct pt_regs *regs)
{
int cpu = raw_smp_processor_id();
@ -58,7 +59,7 @@ static int test_nmi_ipi_callback(unsigned int val, struct pt_regs *regs)
return NMI_DONE;
}
static void test_nmi_ipi(struct cpumask *mask)
static void __init test_nmi_ipi(struct cpumask *mask)
{
unsigned long timeout;
@ -86,7 +87,7 @@ static void test_nmi_ipi(struct cpumask *mask)
return;
}
static void remote_ipi(void)
static void __init remote_ipi(void)
{
cpumask_copy(to_cpumask(nmi_ipi_mask), cpu_online_mask);
cpumask_clear_cpu(smp_processor_id(), to_cpumask(nmi_ipi_mask));
@ -94,19 +95,19 @@ static void remote_ipi(void)
test_nmi_ipi(to_cpumask(nmi_ipi_mask));
}
static void local_ipi(void)
static void __init local_ipi(void)
{
cpumask_clear(to_cpumask(nmi_ipi_mask));
cpumask_set_cpu(smp_processor_id(), to_cpumask(nmi_ipi_mask));
test_nmi_ipi(to_cpumask(nmi_ipi_mask));
}
static void reset_nmi(void)
static void __init reset_nmi(void)
{
nmi_fail = 0;
}
static void dotest(void (*testcase_fn)(void), int expected)
static void __init dotest(void (*testcase_fn)(void), int expected)
{
testcase_fn();
/*
@ -131,12 +132,12 @@ static void dotest(void (*testcase_fn)(void), int expected)
reset_nmi();
}
static inline void print_testname(const char *testname)
static inline void __init print_testname(const char *testname)
{
printk("%12s:", testname);
}
void nmi_selftest(void)
void __init nmi_selftest(void)
{
init_nmi_testsuite();

5
arch/x86/kernel/smpboot.c
View File

@ -776,9 +776,10 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
schedule();
}
if (cpumask_test_cpu(cpu, cpu_callin_mask))
if (cpumask_test_cpu(cpu, cpu_callin_mask)) {
print_cpu_msr(&cpu_data(cpu));
pr_debug("CPU%d: has booted.\n", cpu);
else {
} else {
boot_error = 1;
if (*(volatile u32 *)TRAMPOLINE_SYM(trampoline_status)
== 0xA5A5A5A5)

2
drivers/iommu/amd_iommu.c
View File

@ -2804,7 +2804,7 @@ static int amd_iommu_dma_supported(struct device *dev, u64 mask)
* we don't need to preallocate the protection domains anymore.
* For now we have to.
*/
static void prealloc_protection_domains(void)
static void __init prealloc_protection_domains(void)
{
struct iommu_dev_data *dev_data;
struct dma_ops_domain *dma_dom;