From: Deepa Dinamani <deepa.kernel@gmail.com>
To: "Zeng, Jason" <jason.zeng@intel.com>
Cc: "Tian, Kevin" <kevin.tian@intel.com>,
David Woodhouse <dwmw2@infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>
Subject: Re: [PATCH] intel-iommu: Turn off translations at shutdown
Date: Fri, 8 Nov 2019 14:48:51 -0800 [thread overview]
Message-ID: <CABeXuvoiX639HchLbgTHLiXPh=Yr2dJHUp2Yqc6pNJ3As1OJ8A@mail.gmail.com> (raw)
In-Reply-To: <8D8B600C3EC1B64FAD4503F0B66C61F23BBA24@SHSMSX103.ccr.corp.intel.com>
> > > For VMM live update case, we should be able to detect and bypass
> > > the shutdown that Deepa introduced here, so keep IOMMU still operating?
> >
> > Is that a 'yes' to Deepa's "if someone wants to make it conditional, we
> > can do that" ?
>
> Yes, I think so. Thanks!
Are these changes already part of the kernel like avoiding shutdown of
the passthrough devices? device_shutdown() doesn't seem to be doing
anything selectively as of now.
Thanks,
Deepa
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next prev parent reply other threads:[~2019-11-08 22:49 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-07 20:59 [PATCH] intel-iommu: Turn off translations at shutdown Deepa Dinamani
2019-11-07 21:27 ` Deepa Dinamani
2019-11-08 3:07 ` Lu Baolu
2019-11-08 3:06 ` Lu Baolu
2019-11-08 22:28 ` Deepa Dinamani
2019-11-09 0:35 ` Lu Baolu
2019-11-08 7:54 ` David Woodhouse
2019-11-08 8:47 ` Zeng, Jason
2019-11-08 8:57 ` David Woodhouse
2019-11-08 9:11 ` Zeng, Jason
2019-11-08 22:48 ` Deepa Dinamani [this message]
2019-11-10 18:24 ` Deepa Dinamani
2019-11-10 20:36 ` Deepa Dinamani
2019-11-11 2:35 ` Zeng, Jason
2019-11-11 0:39 ` Zeng, Jason
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