s390/irq: select HAVE_IRQ_EXIT_ON_IRQ_STACK
authorHeiko Carstens <hca@linux.ibm.com>
Thu, 10 Dec 2020 21:30:09 +0000 (22:30 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 14 Jul 2021 14:56:42 +0000 (16:56 +0200)
commitd65f69deac5cf916cc27762bccde8c8874421cae
treec07465991e7f956df49306b0bd4ee01dcb8ebb17
parentd8fe62cb919cebf3c66784535e62332fd4e75529
s390/irq: select HAVE_IRQ_EXIT_ON_IRQ_STACK

[ Upstream commit 9ceed9988a8e6a1656ed2bdaa30501cf0f3dd925 ]

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 <hca@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/s390/Kconfig