linux_dsm_epyc7002/arch/x86/include/asm/trace/common.h
Thomas Gleixner 13cad9851e x86/entry: Convert reschedule interrupt to IDTENTRY_SYSVEC_SIMPLE
The scheduler IPI does not need the full interrupt entry handling logic
when the entry is from kernel mode. Use IDTENTRY_SYSVEC_SIMPLE and spare
all the overhead.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Andy Lutomirski <luto@kernel.org>
Link: https://lore.kernel.org/r/20200521202119.835425642@linutronix.de
2020-06-11 15:15:16 +02:00

13 lines
298 B
C

#ifndef _ASM_TRACE_COMMON_H
#define _ASM_TRACE_COMMON_H
#ifdef CONFIG_TRACING
DECLARE_STATIC_KEY_FALSE(trace_pagefault_key);
#define trace_pagefault_enabled() \
static_branch_unlikely(&trace_pagefault_key)
#else
static inline bool trace_pagefault_enabled(void) { return false; }
#endif
#endif