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77ef50a522
This patch is the result of an automatic script that consolidates the format of all the headers in include/asm-x86/. The format: 1. No leading underscore. Names with leading underscores are reserved. 2. Pathname components are separated by two underscores. So we can distinguish between mm_types.h and mm/types.h. 3. Everything except letters and numbers are turned into single underscores. Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
#ifndef ASM_X86__VSYSCALL_H
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#define ASM_X86__VSYSCALL_H
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enum vsyscall_num {
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__NR_vgettimeofday,
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__NR_vtime,
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__NR_vgetcpu,
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};
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#define VSYSCALL_START (-10UL << 20)
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#define VSYSCALL_SIZE 1024
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#define VSYSCALL_END (-2UL << 20)
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#define VSYSCALL_MAPPED_PAGES 1
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#define VSYSCALL_ADDR(vsyscall_nr) (VSYSCALL_START+VSYSCALL_SIZE*(vsyscall_nr))
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#ifdef __KERNEL__
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#include <linux/seqlock.h>
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#define __section_vgetcpu_mode __attribute__ ((unused, __section__ (".vgetcpu_mode"), aligned(16)))
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#define __section_jiffies __attribute__ ((unused, __section__ (".jiffies"), aligned(16)))
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/* Definitions for CONFIG_GENERIC_TIME definitions */
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#define __section_vsyscall_gtod_data __attribute__ \
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((unused, __section__ (".vsyscall_gtod_data"),aligned(16)))
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#define __section_vsyscall_clock __attribute__ \
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((unused, __section__ (".vsyscall_clock"),aligned(16)))
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#define __vsyscall_fn \
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__attribute__ ((unused, __section__(".vsyscall_fn"))) notrace
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#define VGETCPU_RDTSCP 1
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#define VGETCPU_LSL 2
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extern int __vgetcpu_mode;
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extern volatile unsigned long __jiffies;
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/* kernel space (writeable) */
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extern int vgetcpu_mode;
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extern struct timezone sys_tz;
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extern void map_vsyscall(void);
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#endif /* __KERNEL__ */
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#endif /* ASM_X86__VSYSCALL_H */
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