Switch x86_64 to using sub-ns precise vsyscall Cc: Tony Luck <tony.luck@intel.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Turner <pjt@google.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
		
			
				
	
	
		
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			31 lines
		
	
	
		
			624 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef _ASM_X86_VGTOD_H
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| #define _ASM_X86_VGTOD_H
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| 
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| #include <asm/vsyscall.h>
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| #include <linux/clocksource.h>
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| 
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| struct vsyscall_gtod_data {
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| 	seqcount_t	seq;
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| 
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| 	struct { /* extract of a clocksource struct */
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| 		int vclock_mode;
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| 		cycle_t	cycle_last;
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| 		cycle_t	mask;
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| 		u32	mult;
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| 		u32	shift;
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| 	} clock;
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| 
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| 	/* open coded 'struct timespec' */
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| 	time_t		wall_time_sec;
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| 	u64		wall_time_snsec;
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| 	u64		monotonic_time_snsec;
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| 	time_t		monotonic_time_sec;
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| 
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| 	struct timezone sys_tz;
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| 	struct timespec wall_time_coarse;
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| 	struct timespec monotonic_time_coarse;
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| };
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| extern struct vsyscall_gtod_data vsyscall_gtod_data;
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| 
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| #endif /* _ASM_X86_VGTOD_H */
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