On Mon, Dec 17, 2018 at 07:20:28PM -0500, Sasha Levin wrote: > On Fri, Dec 14, 2018 at 11:10:05PM +0100, Arnd Bergmann wrote: > > Hi Greg, > > > > I did some randconfig testing on linux-4.19 arm/arm64/x86. So far I needed > > 27 patches, most of which are also still needed in mainline Linux. I > > had submitted some before, and others were not submitted previously > > for some reason. I'll try to get those fixed in mainline and then > > make sure we get them into 4.19 as well. > > > > This series for now contains four patches that did make it into mainline: > > > > 2e6ae11dd0d1 ("slimbus: ngd: mark PM functions as __maybe_unused") > > 33f49571d750 ("staging: olpc_dcon: add a missing dependency") > > 0eeec01488da ("scsi: raid_attrs: fix unused variable warning") > > 11d4afd4ff66 ("sched/pelt: Fix warning and clean up IRQ PELT config") > > > > Feel free to either cherry-pick those from mainline or apply the > > patch from this series, whichever works best for you. > > > > The other three patches are for warnings in code that got removed in > > mainline kernels: > > > > 3e9efc3299dd ("i2c: aspeed: Handle master/slave combined irq events properly") > > 972910948fb6 ("ARM: dts: qcom: Remove Arrow SD600 eval board") > > effec874792f ("drm/msm/dpu: Remove dpu_dbg") > > > > My feeling was that it's safer to just address the warning by fixing > > the code correctly in each of these cases, but if you disagree, > > applying the mainline change should work equally well, so decide > > for yourself. > > Thanks Arnd, I took the series as is. > > We really need to discuss how -stable deals with removed code upstream. > For some cases, we should probably follow suit and remove it from > -stable as well (I'm mostly thinking dodgy code with potential security > issues). It would be nice to do that at times (like lustre and ipx), but it's good to keep that code around as maybe someone is using it? I don't know, it's a tough call... thanks, greg k-h