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| author | Heiko Carstens <hca@linux.ibm.com> | 2020-12-10 22:30:09 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2020-12-16 14:55:49 +0100 |
| commit | 9ceed9988a8e6a1656ed2bdaa30501cf0f3dd925 (patch) | |
| tree | 6aa4b9eedde23cd23a974642b35620918f1fe4d4 /arch/s390 | |
| parent | dd6cfe553212b6311cac27ecd2f67621857fb10a (diff) | |
| download | linux-9ceed9988a8e6a1656ed2bdaa30501cf0f3dd925.tar.bz2 | |
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/Kconfig | 1 |
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 |