diff options
Diffstat (limited to 'arch/x86/kernel/cpu/mcheck/threshold.c')
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/threshold.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/threshold.c b/arch/x86/kernel/cpu/mcheck/threshold.c new file mode 100644 index 000000000..c21e0a1ef --- /dev/null +++ b/arch/x86/kernel/cpu/mcheck/threshold.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Common corrected MCE threshold handler code: + */ +#include <linux/interrupt.h> +#include <linux/kernel.h> + +#include <asm/irq_vectors.h> +#include <asm/traps.h> +#include <asm/apic.h> +#include <asm/mce.h> +#include <asm/trace/irq_vectors.h> + +static void default_threshold_interrupt(void) +{ + pr_err("Unexpected threshold interrupt at vector %x\n", + THRESHOLD_APIC_VECTOR); +} + +void (*mce_threshold_vector)(void) = default_threshold_interrupt; + +asmlinkage __visible void __irq_entry smp_threshold_interrupt(struct pt_regs *regs) +{ + entering_irq(); + trace_threshold_apic_entry(THRESHOLD_APIC_VECTOR); + inc_irq_stat(irq_threshold_count); + mce_threshold_vector(); + trace_threshold_apic_exit(THRESHOLD_APIC_VECTOR); + exiting_ack_irq(); +} |