um: remove set_fs
authorChristoph Hellwig <hch@lst.de>
Wed, 15 Dec 2021 16:56:12 +0000 (17:56 +0100)
committerRichard Weinberger <richard@nod.at>
Wed, 22 Dec 2021 16:56:56 +0000 (17:56 +0100)
commit8bb227ac34c062b466a0d5fd21f060010375880b
treeaec5b756553198a4b1638eb798e59905c0a2df53
parentce72750f04d68a45ef971c3547fe2d6f9cd4756e
um: remove set_fs

Remove address space overrides using set_fs() for User Mode Linux.
Note that just like the existing kernel access case of the uaccess
routines the new nofault kernel handlers do not actually have any
exception handling.  This is probably broken, but not change to the
status quo.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
arch/um/Kconfig
arch/um/include/asm/thread_info.h
arch/um/include/asm/uaccess.h
arch/um/kernel/skas/uaccess.c
arch/x86/um/asm/segment.h