diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2020-05-21 22:05:45 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 15:15:16 +0200 |
| commit | 13cad9851ef1d004640991d45227dd35c08f45fc (patch) | |
| tree | 2860cb1e13764f0590687a87300e16c30aebd268 /arch/x86/kernel/idt.c | |
| parent | cb09ea2924cbf1a42da59bd30a59cc1836240bcb (diff) | |
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
Diffstat (limited to 'arch/x86/kernel/idt.c')
| -rw-r--r-- | arch/x86/kernel/idt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c index faaadd430882..bc9b0d1d7bb8 100644 --- a/arch/x86/kernel/idt.c +++ b/arch/x86/kernel/idt.c @@ -112,7 +112,7 @@ static const __initconst struct idt_data def_idts[] = { */ static const __initconst struct idt_data apic_idts[] = { #ifdef CONFIG_SMP - INTG(RESCHEDULE_VECTOR, reschedule_interrupt), + INTG(RESCHEDULE_VECTOR, asm_sysvec_reschedule_ipi), INTG(CALL_FUNCTION_VECTOR, asm_sysvec_call_function), INTG(CALL_FUNCTION_SINGLE_VECTOR, asm_sysvec_call_function_single), INTG(IRQ_MOVE_CLEANUP_VECTOR, asm_sysvec_irq_move_cleanup), |