From: "Jan Beulich" <JBeulich@suse.com>
To: Paul Durrant <paul.durrant@citrix.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
Brian Woods <brian.woods@amd.com>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Subject: Re: [PATCH v2] amd-iommu: remove page merging code
Date: Tue, 27 Nov 2018 09:38:24 -0700 [thread overview]
Message-ID: <5BFD7300020000780020077D@prv1-mh.provo.novell.com> (raw)
In-Reply-To: <0c1c8dba2ab14ea998cd4fb0c16cb458@AMSPEX02CL03.citrite.net>
>>> On 27.11.18 at 17:05, <Paul.Durrant@citrix.com> wrote:
> Well, I could just leave PV-IOMMU unimplemented for AMD h/w if you think the
> page merging code is more important since, without the spare ignored bits, I
> have no way to track pages added by the hypercall vs. those added at start of
> day. I personally think that the simpler code is worthwhile in itself but I
> guess you disagree.
Not exactly: With a proper reason (here: you need to free up at least
one of the bits; "for other potential use" simply is too vague for my
taste, and to be honest I had already forgotten about this need of
yours), I can live with this. Plus I'm not the maintainer of this code
anyway.
Jan
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next prev parent reply other threads:[~2018-11-27 16:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-27 14:58 [PATCH v2] amd-iommu: remove page merging code Paul Durrant
2018-11-27 15:57 ` Jan Beulich
2018-11-27 16:05 ` Paul Durrant
2018-11-27 16:38 ` Jan Beulich [this message]
2018-11-27 16:40 ` Paul Durrant
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