Hi, I tried your patch set, but only to check that they didn't cause any regression for situations where idle state 0 (Poll) is used a lot (teo governor). They didn't (my testing was not thorough). I do not know if the below matters or not. On 2019.06.13 15:46 Marcelo Tosatti wrote: ... [snip] ... > Index: linux-2.6.git/Documentation/virtual/guest-halt-polling.txt > =================================================================== > --- /dev/null 1970-01-01 00:00:00.000000000 +0000 > +++ linux-2.6.git/Documentation/virtual/guest-halt-polling.txt 2019-06-13 18:16:22.414262777 -0400 > @@ -0,0 +1,79 @@ > +Guest halt polling > +================== > + > +The cpuidle_haltpoll driver, with the haltpoll governor, allows > +the guest vcpus to poll for a specified amount of time before > +halting. > +This provides the following benefits to host side polling: > + > + 1) The POLL flag is set while polling is performed, which allows > + a remote vCPU to avoid sending an IPI (and the associated > + cost of handling the IPI) when performing a wakeup. ^ |_ While applying the patches, git complains about this space character before the TAB. It also complains about a few patches with a blank line before EOF. ... Doug
