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| author |   Christoph Hellwig <hch@lst.de> | 2020-08-11 18:33:44 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-12 10:57:58 -0700 |
| commit | 428e2976a5bf7e7f5554286d7a5a33b8147b106a (patch) | |
| tree | 6982bd8552b87714561fcbe73158176cbf481e61 /arch/nds32 | |
| parent | riscv: include <asm/pgtable.h> in <asm/uaccess.h> (diff) | |
| download | linux-dev-428e2976a5bf7e7f5554286d7a5a33b8147b106a.tar.xz linux-dev-428e2976a5bf7e7f5554286d7a5a33b8147b106a.zip | |
uaccess: remove segment_eq
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>
Diffstat (limited to 'arch/nds32')
| -rw-r--r-- | arch/nds32/include/asm/uaccess.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/nds32/include/asm/uaccess.h b/arch/nds32/include/asm/uaccess.h index 3a9219f53ee0..010ba5f1d7dd 100644 --- a/arch/nds32/include/asm/uaccess.h +++ b/arch/nds32/include/asm/uaccess.h @@ -44,7 +44,7 @@ static inline void set_fs(mm_segment_t fs) current_thread_info()->addr_limit = fs; } -#define segment_eq(a, b) ((a) == (b)) +#define uaccess_kernel() (get_fs() == KERNEL_DS) #define __range_ok(addr, size) (size <= get_fs() && addr <= (get_fs() -size)) |