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authorChristoph Hellwig <hch@lst.de>2020-08-11 18:33:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-12 10:57:58 -0700
commit428e2976a5bf7e7f5554286d7a5a33b8147b106a (patch)
tree6982bd8552b87714561fcbe73158176cbf481e61 /arch/m68k/include
parentefbfc62e1d9ce835fd3ea5f25db1844e1496ced6 (diff)
downloadlinux-428e2976a5bf7e7f5554286d7a5a33b8147b106a.tar.bz2
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/m68k/include')
-rw-r--r--arch/m68k/include/asm/segment.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/m68k/include/asm/segment.h b/arch/m68k/include/asm/segment.h
index c6686559e9b7..2b5e68a71ef7 100644
--- a/arch/m68k/include/asm/segment.h
+++ b/arch/m68k/include/asm/segment.h
@@ -52,7 +52,7 @@ static inline void set_fs(mm_segment_t val)
#define set_fs(x) (current_thread_info()->addr_limit = (x))
#endif
-#define segment_eq(a, b) ((a).seg == (b).seg)
+#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg)
#endif /* __ASSEMBLY__ */