aboutsummaryrefslogtreecommitdiffstats
path: root/arch/s390
diff options
context:
space:
mode:
authorHeiko Carstens <hca@linux.ibm.com>2020-12-10 22:30:09 +0100
committerHeiko Carstens <hca@linux.ibm.com>2020-12-16 14:55:49 +0100
commit9ceed9988a8e6a1656ed2bdaa30501cf0f3dd925 (patch)
tree6aa4b9eedde23cd23a974642b35620918f1fe4d4 /arch/s390
parentdd6cfe553212b6311cac27ecd2f67621857fb10a (diff)
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 <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/Kconfig1
1 files changed, 1 insertions, 0 deletions
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

Privacy Policy