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uaccess: remove segment_eq

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segment_eq is only used to implement uaccess_kernel.  Just open code
uaccess_kernel in the arch uaccess headers and remove one layer of
indirection.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Greentime Hu <green.hu@gmail.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Link: http://lkml.kernel.org/r/20200710135706.537715-5-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig
2020-08-11 18:33:44 -07:00
committed by Linus Torvalds
parent efbfc62e1d
commit 428e2976a5
24 changed files with 25 additions and 32 deletions
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3
arch/arc/include/asm/segment.h
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@@ -14,8 +14,7 @@ typedef unsigned long mm_segment_t;
#define KERNEL_DS MAKE_MM_SEG(0)
#define USER_DS MAKE_MM_SEG(TASK_SIZE)
#define segment_eq(a, b) ((a) == (b))
#define uaccess_kernel() (get_fs() == KERNEL_DS)
#endif /* __ASSEMBLY__ */
#endif /* __ASMARC_SEGMENT_H */