Commit d3b570eb authored by Ryo Takakura's avatar Ryo Takakura Committed by Catalin Marinas
Browse files

arm64: use SOFTIRQ_ON_OWN_STACK for enabling softirq stack 



For those architectures with HAVE_SOFTIRQ_ON_OWN_STACK use
their dedicated softirq stack when !PREEMPT_RT. This condition
is ensured by SOFTIRQ_ON_OWN_STACK.

Let arm64 use SOFTIRQ_ON_OWN_STACK as well to select its
usage of the stack.

Signed-off-by: default avatarRyo Takakura <ryotkkr98@gmail.com>
Reviewed-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: default avatarWill Deacon <will@kernel.org>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 40020685

arch/arm64/kernel/irq.c

+1 −1
Original line number Diff line number Diff line
@@ -62,7 +62,7 @@ static void __init init_irq_stacks(void) 
	}

}



#ifndef CONFIG_PREEMPT_RT

#ifdef CONFIG_SOFTIRQ_ON_OWN_STACK

static void ____do_softirq(struct pt_regs *regs)

{

	__do_softirq();