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authorChristoph Hellwig <hch@lst.de>2020-09-03 16:22:35 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2020-09-08 22:21:32 -0400
commit5e6e9852d6f76e01b2e6803c74258afa5b432bc5 (patch)
tree3b5f33348ea6302f3d6878f1c96e1631c4df9b0f /arch/alpha
parent36e2c7421f02a22f71c9283e55fdb672a9eb58e7 (diff)
downloadlinux-stericsson-5e6e9852d6f76e01b2e6803c74258afa5b432bc5.tar.gz
uaccess: add infrastructure for kernel builds with set_fs()
Add a CONFIG_SET_FS option that is selected by architecturess that implement set_fs, which is all of them initially. If the option is not set stubs for routines related to overriding the address space are provided so that architectures can start to opt out of providing set_fs. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/alpha')
-rw-r--r--arch/alpha/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 9c5f06e8eb9b..d6e9fc7a7b19 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -39,6 +39,7 @@ config ALPHA
select OLD_SIGSUSPEND
select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
select MMU_GATHER_NO_RANGE
+ select SET_FS
help
The Alpha is a 64-bit general-purpose processor designed and
marketed by the Digital Equipment Corporation of blessed memory,