| Date | Tue, 12 May 2020 23:01:22 +0200 | From | Thomas Gleixner <> | Subject | [patch V5 23/38] genirq: Provde __irq_enter/exit_raw() |
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- include/linux/hardirq.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
--- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -41,6 +41,17 @@ extern void rcu_nmi_exit(void); } while (0) /* + * Like __irq_enter() without time accounting for fast + * interrupts, e.g. reschedule IPI where time accounting + * is more expensive than the actual interrupt. + */ +#define __irq_enter_raw() \ + do { \ + preempt_count_add(HARDIRQ_OFFSET); \ + lockdep_hardirq_enter(); \ + } while (0) + +/* * Enter irq context (on NO_HZ, update jiffies): */ void irq_enter(void); @@ -59,6 +70,15 @@ void irq_enter_rcu(void); preempt_count_sub(HARDIRQ_OFFSET); \ } while (0) +/* + * Like __irq_exit() without time accounting + */ +#define __irq_exit_raw() \ + do { \ + lockdep_hardirq_exit(); \ + preempt_count_sub(HARDIRQ_OFFSET); \ + } while (0) + /* * Exit irq context and process softirqs if needed: */
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