threshold.c 728 B

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * Common corrected MCE threshold handler code:
  4. */
  5. #include <linux/interrupt.h>
  6. #include <linux/kernel.h>
  7. #include <asm/irq_vectors.h>
  8. #include <asm/traps.h>
  9. #include <asm/apic.h>
  10. #include <asm/mce.h>
  11. #include <asm/trace/irq_vectors.h>
  12. #include "internal.h"
  13. static void default_threshold_interrupt(void)
  14. {
  15. pr_err("Unexpected threshold interrupt at vector %x\n",
  16. THRESHOLD_APIC_VECTOR);
  17. }
  18. void (*mce_threshold_vector)(void) = default_threshold_interrupt;
  19. DEFINE_IDTENTRY_SYSVEC(sysvec_threshold)
  20. {
  21. trace_threshold_apic_entry(THRESHOLD_APIC_VECTOR);
  22. inc_irq_stat(irq_threshold_count);
  23. mce_threshold_vector();
  24. trace_threshold_apic_exit(THRESHOLD_APIC_VECTOR);
  25. ack_APIC_irq();
  26. }