Files
erofs-linux/arch/arc/include/asm/segment.h
T
Christoph Hellwig 428e2976a5 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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Acked-by: Linus Torvalds <[email protected]>
Acked-by: Greentime Hu <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]>
Cc: Nick Hu <[email protected]>
Cc: Vincent Chen <[email protected]>
Cc: Paul Walmsley <[email protected]>
Cc: Palmer Dabbelt <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
2020-08-12 10:57:58 -07:00

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 */