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17 lines
463 B
17 lines
463 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __ASM_CSKY_SEGMENT_H |
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#define __ASM_CSKY_SEGMENT_H |
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typedef struct { |
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unsigned long seg; |
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} mm_segment_t; |
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#define KERNEL_DS ((mm_segment_t) { 0xFFFFFFFF }) |
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#define USER_DS ((mm_segment_t) { PAGE_OFFSET }) |
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#define get_fs() (current_thread_info()->addr_limit) |
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#define set_fs(x) (current_thread_info()->addr_limit = (x)) |
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#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg) |
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#endif /* __ASM_CSKY_SEGMENT_H */
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