On Wed, Apr 19, 2017 at 7:57 AM, Greg KH <greg@xxxxxxxxx> wrote: > On Wed, Apr 19, 2017 at 07:54:34AM -0700, Kees Cook wrote: >> On Wed, Apr 19, 2017 at 4:50 AM, Greg KH <greg@xxxxxxxxx> wrote: >> > On Tue, Apr 18, 2017 at 03:25:05AM +0100, Ben Hutchings wrote: >> >> The timer_stats feature was removed upstream by: >> >> >> >> commit dfb4357da6ddbdf57d583ba64361c9d792b0e0b1 >> >> Author: Kees Cook <keescook@xxxxxxxxxxxx> >> >> Date: Wed Feb 8 11:26:59 2017 -0800 >> >> >> >> time: Remove CONFIG_TIMER_STATS >> >> >> >> I'm hesitant to propose removing a feature in stable, even if it is >> >> redundant. What I've done for Debian stable is to restrict it to the >> >> initial pid namespace (see attached). Would that be a reasonable >> >> alternative change for stable branches? >> > >> > I don't mind removing things in stable as that's what happened in >> > Linus's tree, and it was removed for a reason. We've done it before, >> > and I'm more hesitant to apply something that works a bit >> > "differently". >> > >> > Kees, any objection for me just taking the "full" patch in the stable >> > kernels? >> >> Arjan said it would break powertop, IIRC. > > So we broke it in 4.11? That doesn't seem to sound reasonable, how are > you getting away with that? :) tglx seemed to think that the same information was available elsewhere? Thread was here: https://patchwork.kernel.org/patch/9561519/ -Kees -- Kees Cook Pixel Security