On Wed, 13 Dec 2017, Greg KH wrote:
> On Wed, Dec 13, 2017 at 11:45:20AM +0200, Dan Aloni wrote:
> > # git log 8c9b9d87b855 --oneline -n 19 --reverse --pretty="%h # %s" | awk
> > -F" " '{print "git cherry-pick -x " $0}'
> >
> > git cherry-pick -x 47c95a46d0fa # x86/tsc: Add X86_FEATURE_TSC_KNOWN_FREQ
> > flag
> > git cherry-pick -x 4ca4df0b7eb0 # x86/tsc: Mark TSC frequency determined by
> > CPUID as known
> > git cherry-pick -x 4635fdc696a8 # x86/tsc: Mark Intel ATOM_GOLDMONT TSC
> > reliable
> > git cherry-pick -x f3a02ecebed7 # x86/tsc: Set TSC_KNOWN_FREQ and
> > TSC_RELIABLE flags on Intel Atom SoCs
> > git cherry-pick -x 984fecebda3b # x86/tsc: Finalize the split of the
> > TSC_RELIABLE flag
> > git cherry-pick -x 7b3d2f6e08ed # x86/tsc: Use X86_FEATURE_TSC_ADJUST in
> > detect_art()
> > git cherry-pick -x bec8520dca0d # x86/tsc: Detect random warps
> > git cherry-pick -x 8b223bc7abe0 # x86/tsc: Store and check TSC ADJUST MSR
> > git cherry-pick -x 1d0095feea59 # x86/tsc: Verify TSC_ADJUST from idle
> > git cherry-pick -x a36f5136814b # x86/tsc: Sync test only for the first cpu
> > in a package
> > git cherry-pick -x 4c5e3c637521 # x86/tsc: Move sync cleanup to a safe place
> > git cherry-pick -x 76d3b8515850 # x86/tsc: Prepare warp test for TSC
> > adjustment
> > git cherry-pick -x cc4db26899dc # x86/tsc: Try to adjust TSC if sync test
> > fails
> > git cherry-pick -x b836554386cc # x86/tsc: Fix broken CONFIG_X86_TSC=n build
> > git cherry-pick -x 31f8a651fc57 # x86/tsc: Validate cpumask pointer before
> > accessing it
> > git cherry-pick -x 6a369583178d # x86/tsc: Validate TSC_ADJUST after resume
> > git cherry-pick -x 5bae156241e0 # x86/tsc: Force TSC_ADJUST register to
> > value >= zero
> > git cherry-pick -x 16588f659257 # x86/tsc: Annotate printouts as firmware
> > bug
> > git cherry-pick -x 8c9b9d87b855 # x86/tsc: Limit the adjust value further
> >
> > There's a conflict only in a one small place in the first few patches.
>
> That's a lot of changes to be backported. I'm _really_ hesitant to do
> this, unless the maintainer of the code agrees it is ok...
Those TSC_ADJUST fixes are just an initial workaround. Peter has updated
that since then to the final and proper solution, which makes it dependend
on micro code version checks. If at all then the whole lot wants to be
backported, which is way more than the above set.
Thanks,
tglx
