diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2023-10-06 15:42:42 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2023-10-16 13:04:09 +0200 |
| commit | 802ba53eefc592a6a82231f74e19bafe3256f172 (patch) | |
| tree | 2c9fa712b9d5c17f8a83a7800c64c471534dd143 /arch/s390/Kconfig | |
| parent | 76292d7243f809486ec26dd6cd3436dbcb9e5319 (diff) | |
s390: add support for DCACHE_WORD_ACCESS
Implement load_unaligned_zeropad() and enable DCACHE_WORD_ACCESS to
speed up string operations in fs/dcache.c and fs/namei.c.
Reviewed-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
| -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 ae29e4392664..b0d67ac8695f 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -131,6 +131,7 @@ config S390 select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP select BUILDTIME_TABLE_SORT select CLONE_BACKWARDS2 + select DCACHE_WORD_ACCESS if !KMSAN select DMA_OPS if PCI select DYNAMIC_FTRACE if FUNCTION_TRACER select FUNCTION_ALIGNMENT_8B if CC_IS_GCC |