Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> writes: > Le 16/09/2024 à 22:20, Christophe JAILLET a écrit : >> Le 11/09/2024 à 07:13, Anna-Maria Behnsen a écrit : >>> Hi, >>> >>> a question about which sleeping function should be used in >>> acpi_os_sleep() >>> started a discussion and examination about the existing documentation and >>> implementation of functions which insert a sleep/delay. >>> >>> The result of the discussion was, that the documentation is outdated and >>> the implemented fsleep() reflects the outdated documentation but doesn't >>> help to reflect reality which in turns leads to the queue which covers >>> the >>> following things: >>> >>> - Split out all timeout and sleep related functions from hrtimer.c and >>> timer.c >>> into a separate file >>> >>> - Update function descriptions of sleep related functions >>> >>> - Change fsleep() to reflect reality >>> >>> - Rework all comments or users which obviously rely on the outdated >>> documentation as they reference "Documentation/timers/timers- >>> howto.rst" >>> >>> - Last but not least (as there are no more references): Update the >>> outdated >>> documentation and move it into a file with a self explaining file name >>> >>> The queue is available here and applies on top of tip/timers/core: >>> >>> git://git.kernel.org/pub/scm/linux/kernel/git/anna-maria/linux- >>> devel.git timers/misc >>> >>> Signed-off-by: Anna-Maria Behnsen <anna-maria@xxxxxxxxxxxxx> >> >> Hi, >> >> not directly related to your serie, but some time ago I sent a patch to >> micro-optimize Optimize usleep_range(). (See [1]) >> >> The idea is that the 2 parameters of usleep_range() are usually >> constants and some code reordering could easily let the compiler compute >> a few things at compilation time. >> >> There was consensus on the value of the change (see [2]), but as you are > > Typo: there was *no* consensus... > >> touching things here, maybe it makes sense now to save a few cycles at >> runtime and a few bytes of code? >> Sorry for the late reply. I'll check it and will come back to you. Thanks, Anna-Maria
