On Wed, Feb 19, 2014 at 10:37:26PM +0000, Stefan Lippers-Hollmann wrote: > Hi > > On Wednesday 19 February 2014, dirk.brandewie@xxxxxxxxx wrote: > > From: Dirk Brandewie <dirk.j.brandewie@xxxxxxxxx> > > > > Take non-idle time into account when calculating core busy time. > > This ensures that intel_pstate will notice a decrease in load. > > > > backport of commit: fcb6a15c2e7e76d493e6f91ea889ab40e1c643a4 > > Applies to v3.10.30, v3.12.11, v3.13.3 > > > > References: https://bugzilla.kernel.org/show_bug.cgi?id=66581 > > Cc: 3.10+ <stable@xxxxxxxxxxxxxxx> # 3.10+ > > Signed-off-by: Dirk Brandewie <dirk.j.brandewie@xxxxxxxxx> > > After testing this patch, I can confirm that this revision of the patch > no longer crashes the kernel (tested on sandy-bridge and ivy-bridge), > thanks a lot. But does it slow it down? My machine has horrible build times with this patch installed on 3.14-rc2. Reverted, my builds go back to normal speeds (2 minutes instead of 8 minutes.) I'm going to drop this patch from the stable trees for now, as I can't live with that kind of performance decrease on my machines. sorry, greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html