On Fri, Jul 17, 2020 at 09:02:06AM +0100, Marc Zyngier wrote: > Hi Greg, > > On 2020-07-16 12:58, Greg KH wrote: > > On Wed, Jul 15, 2020 at 01:56:11PM +0100, Marc Zyngier wrote: > > > This is a backport of the series that recently went into 5.8. Note > > > that the first patch is more a complete rewriting than a backport, as > > > the vdso implementation in 5.4 doesn't have much in common with > > > mainline. This affects the 32bit arch code in a benign way. > > > > > > It has seen very little testing, as I don't have the HW that triggers > > > this issue. I have run it in VMs by faking the CPU MIDR, and nothing > > > caught fire. Famous last words. > > > > These are also needed in 5.7.y, right? If so, I need that series before > > I can take this one as we don't want people moving to a newer kernel and > > suffer regressions :( > > The original mainline changes: > > 4b661d6133c5 arm64: arch_timer: Disable the compat vdso for cores affected > by ARM64_WORKAROUND_1418040 > c1fbec4ac0d7 arm64: arch_timer: Allow an workaround descriptor to disable > compat vdso > 97884ca8c292 arm64: Introduce a way to disable the 32bit vdso > > do apply cleanly to stable-5.7. Do you want me to resend them separately, > or will you pick the patches directly from mainline? Hm, cherry-pick seems to work due to file renames, let me try this again...
