On Mon, 26 Aug 2019, Vitaly Kuznetsov wrote: > Sasha Levin <sashal@xxxxxxxxxx> writes: > > > On Thu, Aug 22, 2019 at 10:39:46AM +0200, Vitaly Kuznetsov wrote: > >>lantianyu1986@xxxxxxxxx writes: > >> > >>> From: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx> > >>> > >>> Both Hyper-V tsc page and Hyper-V tsc MSR code use variable > >>> hv_sched_clock_offset for their sched clock callback and so > >>> define the variable regardless of CONFIG_HYPERV_TSCPAGE setting. > >> > >>CONFIG_HYPERV_TSCPAGE is gone after my "x86/hyper-v: enable TSC page > >>clocksource on 32bit" patch. Do we still have an issue to fix? > > > > Yes. Let's get it fixed on older kernels (as such we need to tag this > > one for stable). The 32bit TSC patch won't come in before 5.4 anyway. > > > > Vitaly, does can you ack this patch? It might require you to re-spin > > your patch. > > > > Sure, no problem, > > Acked-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> > > I, however, was under the impression the patch fixes the issue with the > newly introduced sched clock: > > commit b74e1d61dbc614ff35ef3ad9267c61ed06b09051 > Author: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx> > Date: Wed Aug 14 20:32:16 2019 +0800 > > clocksource/hyperv: Add Hyper-V specific sched clock function > > (and Fixes: tag is missing) > > and this is not in mainline as of v5.3-rc6. In tip/timers/core Thomas > already picked my "clocksource/drivers/hyperv: Enable TSC page > clocksource on 32bit" which also resolves the issue. No. I folded Sashas fix into the original clocksource patch and then added yours on top. Thanks, tglx