From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: "Tian, Kevin" <kevin.tian-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org"
<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
"Pan,
Jacob jun"
<jacob.jun.pan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Subject: Re: bind pasid table API
Date: Fri, 29 Sep 2017 17:38:41 +0200 [thread overview]
Message-ID: <20170929153841.GV8398@8bytes.org> (raw)
In-Reply-To: <AADFC41AFE54684AB9EE6CBC0274A5D190DEA654-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
On Fri, Sep 29, 2017 at 05:44:02AM +0000, Tian, Kevin wrote:
> Thinking about anyway we need to factor page table code in the
> guest side. It's not a big deal to further factor PASID code due to the
> same reason. Of course there are additional format info to be
> communicated back-and-forth, but the framework should be same
> for both page table and PASID purposes. Also such change is restricted
> within IOMMU sub-system. :-)
Right, and in the common case where the guest runs a distro-kernel which
has the iommu-drivers compiled-in, the code to build the pasid-tables is
also already available and vIOMMU just needs to use it. So this is the
easiest approach.
Regards,
Joerg
next prev parent reply other threads:[~2017-09-29 15:38 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-19 3:45 bind pasid table API Jacob Pan
2017-09-20 12:09 ` Jean-Philippe Brucker
[not found] ` <6ecc1afc-6302-cd22-6944-ef4c6ac09587-5wv7dgnIgG8@public.gmane.org>
2017-09-20 22:35 ` Jacob Pan
2017-09-25 11:45 ` Jean-Philippe Brucker
[not found] ` <ef71b446-ae00-29af-a934-2e253454df31-5wv7dgnIgG8@public.gmane.org>
2017-09-25 15:14 ` Raj, Ashok
2017-09-26 9:46 ` Jean-Philippe Brucker
2017-09-21 3:00 ` Liu, Yi L
[not found] ` <A2975661238FB949B60364EF0F2C257439ADB33D-zVW8+lm/ZpmiAffOGbnezLfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2017-09-25 11:45 ` Jean-Philippe Brucker
2017-09-27 13:40 ` Joerg Roedel
[not found] ` <20170927134041.GN8398-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2017-09-27 17:51 ` Jacob Pan
2017-09-28 12:07 ` Joerg Roedel
[not found] ` <20170928120705.GR8398-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2017-09-28 21:36 ` Jacob Pan
2017-09-29 15:23 ` Joerg Roedel
2017-09-28 11:21 ` Jean-Philippe Brucker
[not found] ` <e23f7d00-90f2-e5d4-6619-9fe9150a96b9-5wv7dgnIgG8@public.gmane.org>
2017-09-28 17:11 ` Raj, Ashok
2017-09-29 5:44 ` Tian, Kevin
[not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D190DEA654-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2017-09-29 15:38 ` Joerg Roedel [this message]
2017-09-29 15:30 ` Joerg Roedel
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