On Mon, Mar 29, 2021 at 8:38 PM Rafael J. Wysocki <[email protected]> wrote: > > Hi All, > > As follows from the discussion triggered by the patch at > > https://lore.kernel.org/lkml/[email protected]/ > > the cpuidle governors using tick_nohz_get_sleep_length() assume it to always > return positive values which is not correct in general. > > To address this issues, first document the fact that negative values can > be returned by tick_nohz_get_sleep_length() (patch [1/5]). Then, in > preparation for more substantial changes, change the data type of two > fields in struct cpuidle_state to s64 so they can be used in computations > involving negative numbers safely (patch [2/5]). > > Next, adjust the teo governor a bit so that negative "sleep length" values > are counted like zero by it (patch [3/5]) and modify it so as to avoid > mishandling negative "sleep length" values (patch [4/5]). > > Finally, make the menu governor take negative "sleep length" values into > account properly (patch [5/5]). > > Please see the changelogs of the patches for details.
Given no objections or concerns regarding this lot, let me queue it up. Thanks!
