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    timers/itimer: Convert internal cputime_t units to nsec · 858cf3a8
    Frederic Weisbecker 提交于
    Use the new nsec based cputime accessors as part of the whole cputime
    conversion from cputime_t to nsecs.
    
    Also convert itimers to use nsec based internal counters. This simplifies
    it and removes the whole game with error/inc_error which served to deal
    with cputime_t random granularity.
    Signed-off-by: NFrederic Weisbecker <fweisbec@gmail.com>
    Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    Cc: Fenghua Yu <fenghua.yu@intel.com>
    Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
    Cc: Michael Ellerman <mpe@ellerman.id.au>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Rik van Riel <riel@redhat.com>
    Cc: Stanislaw Gruszka <sgruszka@redhat.com>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Tony Luck <tony.luck@intel.com>
    Cc: Wanpeng Li <wanpeng.li@hotmail.com>
    Link: http://lkml.kernel.org/r/1485832191-26889-20-git-send-email-fweisbec@gmail.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
    858cf3a8
posix-cpu-timers.c 37.5 KB