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Alarm delivery could be noticably late in the !CONFIG_NOHZ case because lost ticks weren't being taken into account. This is now treated more carefully, with the time between ticks being calculated and the appropriate number of ticks delivered to the timekeeping system. Cc: Nix <nix@esperi.org.uk> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
18 lines
429 B
C
18 lines
429 B
C
/*
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* Copyright (C) 2000 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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* Licensed under the GPL
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*/
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#ifndef __PROCESS_H__
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#define __PROCESS_H__
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#include <signal.h>
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/* Copied from linux/compiler-gcc.h since we can't include it directly */
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#define barrier() __asm__ __volatile__("": : :"memory")
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extern void sig_handler(int sig, struct sigcontext *sc);
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extern void alarm_handler(int sig, struct sigcontext *sc);
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#endif
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