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authorArnd Bergmann <arnd@arndb.de>2021-05-17 09:22:34 +0200
committerArnd Bergmann <arnd@arndb.de>2021-07-30 10:30:21 +0200
commite6226997ec5ac272fa76274c3675bd5b7b437c53 (patch)
tree578040f568df097b66829e437fc6131196c8ff37 /arch/hexagon
parent166ec4633b63c69fabc5d8d745a1c5b73fb53f1d (diff)
asm-generic: reverse GENERIC_{STRNCPY_FROM,STRNLEN}_USER symbols
Most architectures do not need a custom implementation, and in most cases the generic implementation is preferred, so change the polariy on these Kconfig symbols to require architectures to select them when they provide their own version. The new name is CONFIG_ARCH_HAS_{STRNCPY_FROM,STRNLEN}_USER. The remaining architectures at the moment are: ia64, mips, parisc, um and xtensa. We should probably convert these as well, but I was not sure how far to take this series. Thomas Bogendoerfer had some concerns about converting mips but may still do some more detailed measurements to see which version is better. Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Jeff Dike <jdike@addtoit.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Richard Weinberger <richard@nod.at> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: linux-ia64@vger.kernel.org Cc: linux-mips@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: linux-s390@vger.kernel.org Cc: linux-um@lists.infradead.org Cc: linux-xtensa@linux-xtensa.org Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Helge Deller <deller@gmx.de> # parisc Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/hexagon')
-rw-r--r--arch/hexagon/Kconfig2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 3bf4845fed4b..e5a852080730 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -19,8 +19,6 @@ config HEXAGON
# GENERIC_ALLOCATOR is used by dma_alloc_coherent()
select GENERIC_ALLOCATOR
select GENERIC_IRQ_SHOW
- select GENERIC_STRNCPY_FROM_USER
- select GENERIC_STRNLEN_USER
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
select NEED_SG_DMA_LENGTH