From: Neo Jia <cjia@nvidia.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Jike Song <jike.song@intel.com>, <rkrcmar@redhat.com>,
<kvm@vger.kernel.org>, <alex.williamson@redhat.com>,
<kevin.tian@intel.com>, <kwankhede@nvidia.com>
Subject: Re: [PATCH 0/2] extend page_track for external usage
Date: Wed, 26 Oct 2016 01:03:36 -0700 [thread overview]
Message-ID: <20161026080336.GA13559@nvidia.com> (raw)
In-Reply-To: <45e4f895-5195-3048-6ace-4d9d4e699692@redhat.com>
On Wed, Oct 26, 2016 at 09:44:05AM +0200, Paolo Bonzini wrote:
>
>
> On 26/10/2016 09:39, Neo Jia wrote:
> > > The page_track implementation is almost ready for external usage, my
> > > changes here are quite trivial. I guess the external user like your
> > > vendor driver can call them directly.
> >
> > Unfortunately, I don't think the current implementation is accessible to us,
> > could you please change?
>
> How so?
>
> > > BTW, do you also have to shadow the device page-tables? Per my previous
> > > understanding you don't have to.
> >
> > It is not for the page table, we have other features will require such wp
> > capabilities to trap guest memory access.
>
> Can you please expand?
Sure, this wp capabilities will allow us to check GPU command stream for VMs.
Thanks,
Neo
>
> Paolo
next prev parent reply other threads:[~2016-10-26 8:03 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-25 7:50 [PATCH 0/2] extend page_track for external usage Jike Song
2016-10-25 7:50 ` [PATCH 1/2] kvm/page_track: call notifiers with kvm_page_track_notifier_node Jike Song
2016-10-25 7:50 ` [PATCH 2/2] kvm/page_track: export symbols for external usage Jike Song
2016-10-25 15:59 ` [PATCH 0/2] extend page_track " Jike Song
2016-10-25 16:42 ` Neo Jia
2016-10-26 2:18 ` Jike Song
2016-10-26 7:39 ` Neo Jia
2016-10-26 7:44 ` Paolo Bonzini
2016-10-26 7:57 ` Tian, Kevin
2016-10-26 8:03 ` Neo Jia [this message]
2016-10-26 7:48 ` Paolo Bonzini
2016-11-04 5:47 ` Jike Song
2016-11-04 10:02 ` Paolo Bonzini
2016-11-04 10:29 ` Zhenyu Wang
2016-11-04 11:22 ` Paolo Bonzini
2016-11-05 13:22 ` Zhenyu Wang
2016-11-06 13:22 ` Jike Song
2016-11-07 9:17 ` Daniel Vetter
2016-11-09 2:03 ` Zhenyu Wang
2016-11-09 14:23 ` Paolo Bonzini
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