From: Jacob Pan <jacob.jun.pan@linux.intel.com>
To: "Tian, Kevin" <kevin.tian@intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
Robin Murphy <robin.murphy@arm.com>,
Jason Gunthorpe <jgg@nvidia.com>,
Lu Baolu <baolu.lu@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>,
"dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>,
"vkoul@kernel.org" <vkoul@kernel.org>,
Will Deacon <will@kernel.org>,
"David Woodhouse" <dwmw2@infradead.org>,
"Raj, Ashok" <ashok.raj@intel.com>,
"Liu, Yi L" <yi.l.liu@intel.com>,
"Yu, Fenghua" <fenghua.yu@intel.com>,
"Jiang, Dave" <dave.jiang@intel.com>,
"Luck, Tony" <tony.luck@intel.com>,
"Zanussi, Tom" <tom.zanussi@intel.com>,
"Ranganathan, Narayan" <narayan.ranganathan@intel.com>,
jacob.jun.pan@linux.intel.com
Subject: Re: [PATCH v5 1/7] iommu: Generalize default PCIe requester ID PASID
Date: Tue, 9 May 2023 13:39:40 -0700 [thread overview]
Message-ID: <20230509133940.6bf0a053@jacob-builder> (raw)
In-Reply-To: <BN9PR11MB5276A1CC0B5FF8D9394F22F98C729@BN9PR11MB5276.namprd11.prod.outlook.com>
Hi Kevin,
On Fri, 5 May 2023 08:28:13 +0000, "Tian, Kevin" <kevin.tian@intel.com>
wrote:
> > > >
> > > > By having a common RID_PASID, we can avoid conflicts between
> > > > different use cases in the generic code. e.g. SVA and DMA API with
> > > > PASIDs.
> > >
> > > You intend it to be generic but in the end only vt-d driver is changed
> > > to use it in this series...
> > change for SVA is in the patch.
>
> My point was that since it is common why there is no change in arm-smmu
> driver to use the common macro?
Got it, I will include changes to SSID 0 in smmu code.
Thanks,
Jacob
next prev parent reply other threads:[~2023-05-09 20:35 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-27 17:49 [PATCH v5 0/7] Re-enable IDXD kernel workqueue under DMA API Jacob Pan
2023-04-27 17:49 ` [PATCH v5 1/7] iommu: Generalize default PCIe requester ID PASID Jacob Pan
2023-04-28 9:38 ` Tian, Kevin
2023-04-28 15:56 ` Jacob Pan
2023-05-05 8:28 ` Tian, Kevin
2023-05-09 20:39 ` Jacob Pan [this message]
2023-04-27 17:49 ` [PATCH v5 2/7] iommu/sva: Explicitly exclude RID_PASID from SVA Jacob Pan
2023-04-28 9:40 ` Tian, Kevin
2023-04-28 15:56 ` Jacob Pan
2023-04-27 17:49 ` [PATCH v5 3/7] iommu: Move global PASID allocation from SVA to core Jacob Pan
2023-04-28 9:46 ` Tian, Kevin
2023-04-28 16:40 ` Jacob Pan
2023-05-03 6:32 ` Baolu Lu
2023-05-04 21:26 ` Jacob Pan
2023-04-27 17:49 ` [PATCH v5 4/7] iommu/vt-d: Factoring out PASID set up helper function Jacob Pan
2023-04-28 9:47 ` Tian, Kevin
2023-05-03 6:37 ` Baolu Lu
2023-05-04 21:39 ` Jacob Pan
2023-05-04 21:27 ` Jacob Pan
2023-04-27 17:49 ` [PATCH v5 5/7] iommu/vt-d: Prepare PASID attachment beyond RID_PASID Jacob Pan
2023-05-03 6:49 ` Baolu Lu
2023-05-04 21:53 ` Jacob Pan
2023-04-27 17:49 ` [PATCH v5 6/7] iommu/vt-d: Implement set_dev_pasid domain op Jacob Pan
2023-05-03 7:26 ` Baolu Lu
2023-05-04 23:03 ` Jacob Pan
2023-05-05 2:58 ` Baolu Lu
2023-05-05 20:32 ` Jacob Pan
2023-04-27 17:49 ` [PATCH v5 7/7] dmaengine/idxd: Re-enable kernel workqueue under DMA API Jacob Pan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230509133940.6bf0a053@jacob-builder \
--to=jacob.jun.pan@linux.intel.com \
--cc=ashok.raj@intel.com \
--cc=baolu.lu@linux.intel.com \
--cc=dave.jiang@intel.com \
--cc=dmaengine@vger.kernel.org \
--cc=dwmw2@infradead.org \
--cc=fenghua.yu@intel.com \
--cc=iommu@lists.linux.dev \
--cc=jgg@nvidia.com \
--cc=joro@8bytes.org \
--cc=kevin.tian@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=narayan.ranganathan@intel.com \
--cc=robin.murphy@arm.com \
--cc=tom.zanussi@intel.com \
--cc=tony.luck@intel.com \
--cc=vkoul@kernel.org \
--cc=will@kernel.org \
--cc=yi.l.liu@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).