From: Julien Grall <julien.grall@arm.com>
To: Paul Durrant <Paul.Durrant@citrix.com>,
'Oleksandr' <olekstysh@gmail.com>,
'Jan Beulich' <jbeulich@suse.com>
Cc: Petre Pircalabu <ppircalabu@bitdefender.com>,
Stefano Stabellini <sstabellini@kernel.org>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
Wei Liu <wl@xen.org>,
KonradRzeszutek Wilk <konrad.wilk@oracle.com>,
Andrew Cooper <Andrew.Cooper3@citrix.com>,
"Tim \(Xen.org\)" <tim@xen.org>,
George Dunlap <George.Dunlap@citrix.com>,
Tamas K Lengyel <tamas@tklengyel.com>,
David Scott <dave@recoil.org>,
Anthony Perard <anthony.perard@citrix.com>,
Ian Jackson <Ian.Jackson@citrix.com>, nd <nd@arm.com>,
Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>,
Roger Pau Monne <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [PATCH v13 0/4] add per-domain IOMMU control
Date: Thu, 26 Sep 2019 10:26:21 +0100 [thread overview]
Message-ID: <3b68f173-9e02-154c-b37d-7ae87b97dce6@arm.com> (raw)
In-Reply-To: <2e20c26c2c7e4289bbb4a18481335087@AMSPEX02CL03.citrite.net>
Hi Paul,
On 9/26/19 10:17 AM, Paul Durrant wrote:
>> If so, I think
>> it should stay were it is. This is a generic function that might be
>> re-used for other architecture in the future.
>>
>
> That seems like a bit of a long shot. If I remove the call from iommu_setup() then the only remaining callers are in x86 code, but I suppose it can stay where it is to avoid the churn. I'll spin a new test patch.
Not really, I know that we will likely need it on Arm when MSI doorbell
will be exposed to the guest because some mappings cannot be accessed by
the processor. Although, I can't tell when this will happen.
Anyway, I will have a look at your next patch :).
Cheers,
--
Julien Grall
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next prev parent reply other threads:[~2019-09-26 9:26 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-18 10:41 [Xen-devel] [PATCH v13 0/4] add per-domain IOMMU control Paul Durrant
2019-09-18 10:41 ` [Xen-devel] [PATCH v13 1/4] remove late (on-demand) construction of IOMMU page tables Paul Durrant
2019-09-25 9:00 ` Paul Durrant
2019-09-25 9:16 ` Wei Liu
2019-09-18 10:41 ` [Xen-devel] [PATCH v13 2/4] iommu: tidy up iommu_use_hap_pt() and need_iommu_pt_sync() macros Paul Durrant
2019-09-18 10:41 ` [Xen-devel] [PATCH v13 3/4] tools/ocaml: abi check: Cope with consecutive relevant enums Paul Durrant
2019-09-18 10:41 ` [Xen-devel] [PATCH v13 4/4] introduce a 'passthrough' configuration option to xl.cfg Paul Durrant
2019-09-18 15:20 ` Anthony PERARD
2019-09-25 8:40 ` [Xen-devel] [PATCH v13 0/4] add per-domain IOMMU control Paul Durrant
2019-09-25 8:50 ` Jan Beulich
2019-09-25 8:56 ` Paul Durrant
2019-09-25 15:49 ` Oleksandr
2019-09-25 15:55 ` Paul Durrant
2019-09-25 16:03 ` Paul Durrant
2019-09-25 16:04 ` Paul Durrant
2019-09-25 16:14 ` Oleksandr
2019-09-25 16:10 ` Paul Durrant
2019-09-25 16:24 ` Oleksandr
2019-09-25 18:07 ` Oleksandr
2019-09-26 8:32 ` Paul Durrant
2019-09-25 21:34 ` Julien Grall
2019-09-26 8:39 ` Paul Durrant
2019-09-26 9:13 ` Julien Grall
2019-09-26 9:17 ` Paul Durrant
2019-09-26 9:26 ` Julien Grall [this message]
2019-09-26 9:22 ` Oleksandr
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