From 9ceed9988a8e6a1656ed2bdaa30501cf0f3dd925 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Thu, 10 Dec 2020 22:30:09 +0100 Subject: s390/irq: select HAVE_IRQ_EXIT_ON_IRQ_STACK irq_exit() is always called on async stack. Therefore select HAVE_IRQ_EXIT_ON_IRQ_STACK and get a tiny optimization in invoke_softirq(). Signed-off-by: Heiko Carstens --- arch/s390/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'arch') diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index a60cc523d810..9e8895cb9ee7 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -153,6 +153,7 @@ config S390 select HAVE_FUTEX_CMPXCHG if FUTEX select HAVE_GCC_PLUGINS select HAVE_GENERIC_VDSO + select HAVE_IRQ_EXIT_ON_IRQ_STACK select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZ4 -- cgit v1.2.3