diff options
| -rw-r--r-- | arch/x86/kernel/cpu/mce/core.c | 12 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mce/genpool.c | 29 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mce/internal.h | 4 |
3 files changed, 22 insertions, 23 deletions
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 167965bd2ac0..ce6fe5e20805 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -151,7 +151,7 @@ EXPORT_PER_CPU_SYMBOL_GPL(injectm); void mce_log(struct mce_hw_err *err) { - if (!mce_gen_pool_add(err)) + if (mce_gen_pool_add(err)) irq_work_queue(&mce_irq_work); } EXPORT_SYMBOL_GPL(mce_log); @@ -1911,14 +1911,14 @@ static void __mcheck_cpu_check_banks(void) } /* Add per CPU specific workarounds here */ -static int __mcheck_cpu_apply_quirks(struct cpuinfo_x86 *c) +static bool __mcheck_cpu_apply_quirks(struct cpuinfo_x86 *c) { struct mce_bank *mce_banks = this_cpu_ptr(mce_banks_array); struct mca_config *cfg = &mca_cfg; if (c->x86_vendor == X86_VENDOR_UNKNOWN) { pr_info("unknown CPU type - not enabling MCE support\n"); - return -EOPNOTSUPP; + return false; } /* This should be disabled by the BIOS, but isn't always */ @@ -2012,7 +2012,7 @@ static int __mcheck_cpu_apply_quirks(struct cpuinfo_x86 *c) if (cfg->bootlog != 0) cfg->panic_timeout = 30; - return 0; + return true; } static bool __mcheck_cpu_ancient_init(struct cpuinfo_x86 *c) @@ -2279,12 +2279,12 @@ void mcheck_cpu_init(struct cpuinfo_x86 *c) __mcheck_cpu_cap_init(); - if (__mcheck_cpu_apply_quirks(c) < 0) { + if (!__mcheck_cpu_apply_quirks(c)) { mca_cfg.disabled = 1; return; } - if (mce_gen_pool_init()) { + if (!mce_gen_pool_init()) { mca_cfg.disabled = 1; pr_emerg("Couldn't allocate MCE records pool!\n"); return; diff --git a/arch/x86/kernel/cpu/mce/genpool.c b/arch/x86/kernel/cpu/mce/genpool.c index d0be6dda0c14..3ca9c007a666 100644 --- a/arch/x86/kernel/cpu/mce/genpool.c +++ b/arch/x86/kernel/cpu/mce/genpool.c @@ -94,64 +94,63 @@ bool mce_gen_pool_empty(void) return llist_empty(&mce_event_llist); } -int mce_gen_pool_add(struct mce_hw_err *err) +bool mce_gen_pool_add(struct mce_hw_err *err) { struct mce_evt_llist *node; if (filter_mce(&err->m)) - return -EINVAL; + return false; if (!mce_evt_pool) - return -EINVAL; + return false; node = (void *)gen_pool_alloc(mce_evt_pool, sizeof(*node)); if (!node) { pr_warn_ratelimited("MCE records pool full!\n"); - return -ENOMEM; + return false; } memcpy(&node->err, err, sizeof(*err)); llist_add(&node->llnode, &mce_event_llist); - return 0; + return true; } -static int mce_gen_pool_create(void) +static bool mce_gen_pool_create(void) { int mce_numrecords, mce_poolsz, order; struct gen_pool *gpool; - int ret = -ENOMEM; void *mce_pool; order = order_base_2(sizeof(struct mce_evt_llist)); gpool = gen_pool_create(order, -1); if (!gpool) - return ret; + return false; mce_numrecords = max(MCE_MIN_ENTRIES, num_possible_cpus() * MCE_PER_CPU); mce_poolsz = mce_numrecords * (1 << order); mce_pool = kmalloc(mce_poolsz, GFP_KERNEL); if (!mce_pool) { gen_pool_destroy(gpool); - return ret; + return false; } - ret = gen_pool_add(gpool, (unsigned long)mce_pool, mce_poolsz, -1); - if (ret) { + + if (gen_pool_add(gpool, (unsigned long)mce_pool, mce_poolsz, -1)) { gen_pool_destroy(gpool); kfree(mce_pool); - return ret; + return false; } mce_evt_pool = gpool; - return ret; + return true; } -int mce_gen_pool_init(void) +bool mce_gen_pool_init(void) { /* Just init mce_gen_pool once. */ if (mce_evt_pool) - return 0; + return true; return mce_gen_pool_create(); } diff --git a/arch/x86/kernel/cpu/mce/internal.h b/arch/x86/kernel/cpu/mce/internal.h index 84f810598231..95a504ece43e 100644 --- a/arch/x86/kernel/cpu/mce/internal.h +++ b/arch/x86/kernel/cpu/mce/internal.h @@ -31,8 +31,8 @@ struct mce_evt_llist { void mce_gen_pool_process(struct work_struct *__unused); bool mce_gen_pool_empty(void); -int mce_gen_pool_add(struct mce_hw_err *err); -int mce_gen_pool_init(void); +bool mce_gen_pool_add(struct mce_hw_err *err); +bool mce_gen_pool_init(void); struct llist_node *mce_gen_pool_prepare_records(void); int mce_severity(struct mce *a, struct pt_regs *regs, char **msg, bool is_excp); |