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authorLinus Torvalds <torvalds@linux-foundation.org>2021-09-02 01:13:02 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-09-02 01:13:02 +0300
commit4cdc4cc2ad35f92338497d53d3e8b7876cf2a51d (patch)
tree6d603bb48eeed47a4d37547c3a96c79800a2390f /lib
parent57c78a234e809e3a0516491e37ae5ccc6eeb21e8 (diff)
parent8f76f9c46952659dd925c21c3f62a0d05a3f3e71 (diff)
downloadlinux-4cdc4cc2ad35f92338497d53d3e8b7876cf2a51d.tar.xz
Merge tag 'asm-generic-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann: "The main content for 5.15 is a series that cleans up the handling of strncpy_from_user() and strnlen_user(), removing a lot of slightly incorrect versions of these in favor of the lib/strn*.c helpers that implement these correctly and more efficiently. The only architectures that retain a private version now are mips, ia64, um and parisc. I had offered to convert those at all, but Thomas Bogendoerfer wanted to keep the mips version for the moment until he had a chance to do regression testing. The branch also contains two patches for bitops and for ffs()" * tag 'asm-generic-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: bitops/non-atomic: make @nr unsigned to avoid any DIV asm-generic: ffs: Drop bogus reference to ffz location asm-generic: reverse GENERIC_{STRNCPY_FROM,STRNLEN}_USER symbols asm-generic: remove extra strn{cpy_from,len}_user declarations asm-generic: uaccess: remove inline strncpy_from_user/strnlen_user s390: use generic strncpy/strnlen from_user microblaze: use generic strncpy/strnlen from_user csky: use generic strncpy/strnlen from_user arc: use generic strncpy/strnlen from_user hexagon: use generic strncpy/strnlen from_user h8300: remove stale strncpy_from_user asm-generic/uaccess.h: remove __strncpy_from_user/__strnlen_user
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig10
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 5c9c0687f76d..5e7165e6a346 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -50,12 +50,18 @@ config HAVE_ARCH_BITREVERSE
This option enables the use of hardware bit-reversal instructions on
architectures which support such operations.
-config GENERIC_STRNCPY_FROM_USER
+config ARCH_HAS_STRNCPY_FROM_USER
bool
-config GENERIC_STRNLEN_USER
+config ARCH_HAS_STRNLEN_USER
bool
+config GENERIC_STRNCPY_FROM_USER
+ def_bool !ARCH_HAS_STRNCPY_FROM_USER
+
+config GENERIC_STRNLEN_USER
+ def_bool !ARCH_HAS_STRNLEN_USER
+
config GENERIC_NET_UTILS
bool