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| author | Thomas Gleixner <tglx@linutronix.de> | 2025-10-27 09:44:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-11-04 08:31:47 +0100 |
| commit | 7702a9c2856794b6bf961b408eba3bacb753bd5b (patch) | |
| tree | e8f3b6fc3889fb2e9a5881eed6ea56f75f256f69 /include | |
| parent | 54a5ab56242f96555999aaa41228f77b4a76e386 (diff) | |
| download | lwn-7702a9c2856794b6bf961b408eba3bacb753bd5b.tar.gz lwn-7702a9c2856794b6bf961b408eba3bacb753bd5b.zip | |
entry: Inline irqentry_enter/exit_from/to_user_mode()
There is no point to have this as a function which just inlines
enter_from_user_mode(). The function call overhead is larger than the
function itself.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20251027084306.715309918@linutronix.de
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/irq-entry-common.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/irq-entry-common.h b/include/linux/irq-entry-common.h index 9b1f386ffeb1..83c9d841d9e1 100644 --- a/include/linux/irq-entry-common.h +++ b/include/linux/irq-entry-common.h @@ -278,7 +278,10 @@ static __always_inline void exit_to_user_mode(void) * * The function establishes state (lockdep, RCU (context tracking), tracing) */ -void irqentry_enter_from_user_mode(struct pt_regs *regs); +static __always_inline void irqentry_enter_from_user_mode(struct pt_regs *regs) +{ + enter_from_user_mode(regs); +} /** * irqentry_exit_to_user_mode - Interrupt exit work @@ -293,7 +296,13 @@ void irqentry_enter_from_user_mode(struct pt_regs *regs); * Interrupt exit is not invoking #1 which is the syscall specific one time * work. */ -void irqentry_exit_to_user_mode(struct pt_regs *regs); +static __always_inline void irqentry_exit_to_user_mode(struct pt_regs *regs) +{ + instrumentation_begin(); + exit_to_user_mode_prepare(regs); + instrumentation_end(); + exit_to_user_mode(); +} #ifndef irqentry_state /** |