428e2976a5
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>
21 lines
476 B
C
21 lines
476 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
|
|
*/
|
|
|
|
#ifndef __ASMARC_SEGMENT_H
|
|
#define __ASMARC_SEGMENT_H
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
typedef unsigned long mm_segment_t;
|
|
|
|
#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
|
|
|
|
#define KERNEL_DS MAKE_MM_SEG(0)
|
|
#define USER_DS MAKE_MM_SEG(TASK_SIZE)
|
|
#define uaccess_kernel() (get_fs() == KERNEL_DS)
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
#endif /* __ASMARC_SEGMENT_H */
|