diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2020-05-21 22:05:21 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 15:15:06 +0200 |
| commit | 8a6bc4787f05d087fda8e11ead225c8830250703 (patch) | |
| tree | 5aab6b426717e6c38df155531e2e1795ef2599e1 /include | |
| parent | x86/entry: Clean up idtentry_enter/exit() leftovers (diff) | |
| download | wireguard-linux-8a6bc4787f05d087fda8e11ead225c8830250703.tar.xz wireguard-linux-8a6bc4787f05d087fda8e11ead225c8830250703.zip | |
genirq: Provide irq_enter/exit_rcu()
irq_enter()/exit() currently include RCU handling. To properly separate the RCU
handling code, provide variants which contain only the non-RCU related
functionality.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Link: https://lore.kernel.org/r/20200521202117.567023613@linutronix.de
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/hardirq.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index 29b862aba740..3dc9102d16cf 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -40,7 +40,11 @@ static __always_inline void rcu_irq_enter_check_tick(void) /* * Enter irq context (on NO_HZ, update jiffies): */ -extern void irq_enter(void); +void irq_enter(void); +/* + * Like irq_enter(), but RCU is already watching. + */ +void irq_enter_rcu(void); /* * Exit irq context without processing softirqs: @@ -55,7 +59,12 @@ extern void irq_enter(void); /* * Exit irq context and process softirqs if needed: */ -extern void irq_exit(void); +void irq_exit(void); + +/* + * Like irq_exit(), but return with RCU watching. + */ +void irq_exit_rcu(void); #ifndef arch_nmi_enter #define arch_nmi_enter() do { } while (0) |