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The alarmtimer nanosleep() implementation can be simplified by moving the copy out of the remaining time to alarmtimer_do_nsleep() which is shared between the real nanosleep function and the restart function. The pointer to the timespec64 which is updated has to be stored in the restart block anyway. Instead of storing it only in the restart case, store it before calling alarmtimer_do_nsleep() and copy the remaining time in the signal exit path. [ tglx: Added changelog ] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20170607084241.28657-2-viro@ZenIV.linux.org.uk |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.