diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-08-12 04:33:44 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-12 20:57:58 +0300 |
| commit | 428e2976a5bf7e7f5554286d7a5a33b8147b106a (patch) | |
| tree | 6982bd8552b87714561fcbe73158176cbf481e61 /arch/riscv | |
| parent | efbfc62e1d9ce835fd3ea5f25db1844e1496ced6 (diff) | |
| download | linux-428e2976a5bf7e7f5554286d7a5a33b8147b106a.tar.xz | |
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/riscv')
| -rw-r--r-- | arch/riscv/include/asm/uaccess.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/riscv/include/asm/uaccess.h b/arch/riscv/include/asm/uaccess.h index 22de922d6ecb..f56c66b3f5fe 100644 --- a/arch/riscv/include/asm/uaccess.h +++ b/arch/riscv/include/asm/uaccess.h @@ -64,11 +64,9 @@ static inline void set_fs(mm_segment_t fs) current_thread_info()->addr_limit = fs; } -#define segment_eq(a, b) ((a).seg == (b).seg) - +#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg) #define user_addr_max() (get_fs().seg) - /** * access_ok: - Checks if a user space pointer is valid * @addr: User space pointer to start of block to check |