All of lore.kernel.org
 help / color / mirror / Atom feed
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

  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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.