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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/um/Kconfig
parent36e2c7421f02a22f71c9283e55fdb672a9eb58e7 (diff)
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/um/Kconfig')
-rw-r--r--arch/um/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index eb51fec75948..3aefcd815668 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -19,6 +19,7 @@ config UML
select GENERIC_CPU_DEVICES
select GENERIC_CLOCKEVENTS
select HAVE_GCC_PLUGINS
+ select SET_FS
select TTY # Needed for line.c
config MMU