linux-kernel - RE: [PATCH v5 3/3] clocksource/drivers: Suspend/resume Hyper-V clocksource for hibernation

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Message-ID: <PU1P153MB0169A28B05A7CDE04A57AA58BF870@PU1P153MB0169.APCP153.PROD.OUTLOOK.COM>
Date:   Wed, 25 Sep 2019 23:35:18 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "arnd@...db.de" <arnd@...db.de>, "bp@...en8.de" <bp@...en8.de>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "hpa@...or.com" <hpa@...or.com>, KY Srinivasan <kys@...rosoft.com>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "sashal@...nel.org" <sashal@...nel.org>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "x86@...nel.org" <x86@...nel.org>,
        Michael Kelley <mikelley@...rosoft.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
CC:     "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>
Subject: RE: [PATCH v5 3/3] clocksource/drivers: Suspend/resume Hyper-V
 clocksource for hibernation

> From: Daniel Lezcano <daniel.lezcano@...aro.org>
> Sent: Wednesday, September 25, 2019 4:21 PM
> To: Dexuan Cui <decui@...rosoft.com>; arnd@...db.de; bp@...en8.de;
> Haiyang Zhang <haiyangz@...rosoft.com>; hpa@...or.com; KY Srinivasan
> <kys@...rosoft.com>; linux-hyperv@...r.kernel.org;
> linux-kernel@...r.kernel.org; mingo@...hat.com; sashal@...nel.org; Stephen
> Hemminger <sthemmin@...rosoft.com>; tglx@...utronix.de; x86@...nel.org;
> Michael Kelley <mikelley@...rosoft.com>; Sasha Levin
> <Alexander.Levin@...rosoft.com>
> Cc: linux-arch@...r.kernel.org
> Subject: Re: [PATCH v5 3/3] clocksource/drivers: Suspend/resume Hyper-V
> clocksource for hibernation
> 
> On 06/09/2019 00:47, Dexuan Cui wrote:
> > This is needed for hibernation, e.g. when we resume the old kernel, we need
> > to disable the "current" kernel's TSC page and then resume the old kernel's.
> >
> > Signed-off-by: Dexuan Cui <decui@...rosoft.com>
> > Reviewed-by: Michael Kelley <mikelley@...rosoft.com>
> 
> I can take this patch if needed.

Thanks, Daniel! Usually tglx takes care of the patches, but it looks recently he
may be too busy to handle the 3 patches. 

I guess you can take the patch, if tglx has no objection. :-)
If you take the patch, please take all the 3 patches.

Thanks,
-- Dexuan