diff options
| -rw-r--r-- | arch/x86_64/kernel/mce_amd.c | 112 |
1 files changed, 29 insertions, 83 deletions
diff --git a/arch/x86_64/kernel/mce_amd.c b/arch/x86_64/kernel/mce_amd.c index 10ffbe52939..3f967d4fe19 100644 --- a/arch/x86_64/kernel/mce_amd.c +++ b/arch/x86_64/kernel/mce_amd.c @@ -30,17 +30,17 @@ #include <asm/percpu.h> #include <asm/idle.h> -#define PFX "mce_threshold: " -#define VERSION "version 1.1.0" -#define NR_BANKS 6 -#define NR_BLOCKS 9 -#define THRESHOLD_MAX 0xFFF -#define INT_TYPE_APIC 0x00020000 -#define MASK_VALID_HI 0x80000000 -#define MASK_LVTOFF_HI 0x00F00000 -#define MASK_COUNT_EN_HI 0x00080000 -#define MASK_INT_TYPE_HI 0x00060000 -#define MASK_OVERFLOW_HI 0x00010000 +#define PFX "mce_threshold: " +#define VERSION "version 1.1.1" +#define NR_BANKS 6 +#define NR_BLOCKS 9 +#define THRESHOLD_MAX 0xFFF +#define INT_TYPE_APIC 0x00020000 +#define MASK_VALID_HI 0x80000000 +#define MASK_LVTOFF_HI 0x00F00000 +#define MASK_COUNT_EN_HI 0x00080000 +#define MASK_INT_TYPE_HI 0x00060000 +#define MASK_OVERFLOW_HI 0x00010000 #define MASK_ERR_COUNT_HI 0x00000FFF #define MASK_BLKPTR_LO 0xFF000000 #define MCG_XBLK_ADDR 0xC0000400 @@ -222,7 +222,7 @@ asmlinkage void mce_threshold_interrupt(void) } } } - out: +out: irq_exit(); } @@ -231,7 +231,7 @@ asmlinkage void mce_threshold_interrupt(void) */ struct threshold_attr { - struct attribute attr; + struct attribute attr; ssize_t(*show) (struct threshold_block *, char *); ssize_t(*store) (struct threshold_block *, const char *, size_t count); }; @@ -250,11 +250,11 @@ static void affinity_restore(cpumask_t oldmask) set_cpus_allowed(current, oldmask); } -#define SHOW_FIELDS(name) \ - static ssize_t show_ ## name(struct threshold_block * b, char *buf) \ - { \ - return sprintf(buf, "%lx\n", (unsigned long) b->name); \ - } +#define SHOW_FIELDS(name) \ +static ssize_t show_ ## name(struct threshold_block * b, char *buf) \ +{ \ + return sprintf(buf, "%lx\n", (unsigned long) b->name); \ +} SHOW_FIELDS(interrupt_enable) SHOW_FIELDS(threshold_limit) @@ -325,13 +325,13 @@ static ssize_t store_error_count(struct threshold_block *b, .store = _store, \ }; -#define ATTR_FIELDS(name) \ - static struct threshold_attr name = \ +#define RW_ATTR(name) \ +static struct threshold_attr name = \ THRESHOLD_ATTR(name, 0644, show_## name, store_## name) -ATTR_FIELDS(interrupt_enable); -ATTR_FIELDS(threshold_limit); -ATTR_FIELDS(error_count); +RW_ATTR(interrupt_enable); +RW_ATTR(threshold_limit); +RW_ATTR(error_count); static struct attribute *default_attrs[] = { &interrupt_enable.attr, @@ -341,7 +341,7 @@ static struct attribute *default_attrs[] = { }; #define to_block(k) container_of(k, struct threshold_block, kobj) -#define to_attr(a) container_of(a,struct threshold_attr,attr) +#define to_attr(a) container_of(a, struct threshold_attr, attr) static ssize_t show(struct kobject *kobj, struct attribute *attr, char *buf) { @@ -530,14 +530,14 @@ static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank) out_free: per_cpu(threshold_banks, cpu)[bank] = NULL; kfree(b); - out: +out: return err; } /* create dir/files for all valid threshold banks */ static __cpuinit int threshold_create_device(unsigned int cpu) { - int bank; + unsigned int bank; int err = 0; for (bank = 0; bank < NR_BANKS; ++bank) { @@ -547,7 +547,7 @@ static __cpuinit int threshold_create_device(unsigned int cpu) if (err) goto out; } - out: +out: return err; } @@ -620,7 +620,7 @@ free_out: static __cpuinit void threshold_remove_device(unsigned int cpu) { - int bank; + unsigned int bank; for (bank = 0; bank < NR_BANKS; ++bank) { if (!(per_cpu(bank_map, cpu) & 1 << bank)) @@ -629,54 +629,7 @@ static __cpuinit void threshold_remove_device(unsigned int cpu) } } -/* link all existing siblings when first core comes up */ -static __cpuinit int threshold_create_symlinks(unsigned int cpu) -{ - int bank, err = 0; - unsigned int lcpu = 0; - - if (cpu_data[cpu].cpu_core_id) - return 0; - for_each_cpu_mask(lcpu, cpu_core_map[cpu]) { - if (lcpu == cpu) - continue; - for (bank = 0; bank < NR_BANKS; ++bank) { - if (!(per_cpu(bank_map, cpu) & 1 << bank)) - continue; - if (!shared_bank[bank]) - continue; - err = threshold_create_bank(lcpu, bank); - } - } - return err; -} - -/* remove all symlinks before first core dies. */ -static __cpuinit void threshold_remove_symlinks(unsigned int cpu) -{ - int bank; - unsigned int lcpu = 0; - if (cpu_data[cpu].cpu_core_id) - return; - for_each_cpu_mask(lcpu, cpu_core_map[cpu]) { - if (lcpu == cpu) - continue; - for (bank = 0; bank < NR_BANKS; ++bank) { - if (!(per_cpu(bank_map, cpu) & 1 << bank)) - continue; - if (!shared_bank[bank]) - continue; - threshold_remove_bank(lcpu, bank); - } - } -} #else /* !CONFIG_HOTPLUG_CPU */ -static __cpuinit void threshold_create_symlinks(unsigned int cpu) -{ -} -static __cpuinit void threshold_remove_symlinks(unsigned int cpu) -{ -} static void threshold_remove_device(unsigned int cpu) { } @@ -695,13 +648,6 @@ static int threshold_cpu_callback(struct notifier_block *nfb, switch (action) { case CPU_ONLINE: threshold_create_device(cpu); - threshold_create_symlinks(cpu); - break; - case CPU_DOWN_PREPARE: - threshold_remove_symlinks(cpu); - break; - case CPU_DOWN_FAILED: - threshold_create_symlinks(cpu); break; case CPU_DEAD: threshold_remove_device(cpu); @@ -719,7 +665,7 @@ static struct notifier_block threshold_cpu_notifier = { static __init int threshold_init_device(void) { - int lcpu = 0; + unsigned lcpu = 0; /* to hit CPUs online before the notifier is up */ for_each_online_cpu(lcpu) { |