From: Vineet Gupta Date: Mon, 13 Jan 2020 23:24:34 +0000 (-0800) Subject: ARC: uaccess: use optimized generic __strnlen_user/__strncpy_from_user X-Git-Tag: ceph-for-6.6-rc4~101^2~20 X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=f798f91e7f5f000285ab11696d3f4af6aa20b869;p=ceph-client.git ARC: uaccess: use optimized generic __strnlen_user/__strncpy_from_user The existing ARC variants have 2 issues - Use ZOL which may not be present in forthcoming architecture - Byte loop based vs. generic version which is word loop based Signed-off-by: Vineet Gupta --- diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 96cf8720bb939..47b4acc7d0c9c 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -26,6 +26,8 @@ config ARC select GENERIC_PENDING_IRQ if SMP select GENERIC_SCHED_CLOCK select GENERIC_SMP_IDLE_THREAD + select GENERIC_STRNCPY_FROM_USER if MMU + select GENERIC_STRNLEN_USER if MMU select HAVE_ARCH_KGDB select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_TRANSPARENT_HUGEPAGE if ARC_MMU_V4