From: Jason Gunthorpe <jgg@ziepe.ca>
To: Vasant Hegde <vasant.hegde@amd.com>
Cc: Baolu Lu <baolu.lu@linux.intel.com>,
iommu@lists.linux.dev, joro@8bytes.org, will@kernel.org,
robin.murphy@arm.com, suravee.suthikulpanit@amd.com,
yi.l.liu@intel.com, Alex Williamson <alex.williamson@redhat.com>
Subject: Re: [PATCH RFCv2] iommu: Add domain type and flag to domain_alloc_paging()
Date: Thu, 8 Aug 2024 10:08:14 -0300 [thread overview]
Message-ID: <20240808130814.GA1985367@ziepe.ca> (raw)
In-Reply-To: <20240808011629.GJ8473@ziepe.ca>
On Wed, Aug 07, 2024 at 10:16:29PM -0300, Jason Gunthorpe wrote:
> On Wed, Aug 07, 2024 at 03:29:47PM -0300, Jason Gunthorpe wrote:
> > > @Baolu, Do we need to make any changes to intel driver?
> >
> > I think Intel ignores this issue, they have nice HW and their RID can
> > use both of their supported domain formats in all cases.
>
> On second thought it does need to accept, but ignore the new flags..
And probably HW that does not support PASID should reject the
IOMMU_HWPT_ALLOC_PASID flag at least.
Maybe IOMMU_HWPT_ALLOC_DEV_PASID can be reasonably ignored if the HW
doesn't support PASID.
That would mean the SMMUv3 hunk I sent doesn't have quite the right
validation.
Jason
next prev parent reply other threads:[~2024-08-08 13:08 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-01 14:45 [PATCH RFCv2] iommu: Add domain type and flag to domain_alloc_paging() Vasant Hegde
2024-08-02 0:44 ` Baolu Lu
2024-08-02 5:53 ` Vasant Hegde
2024-08-06 12:34 ` Jason Gunthorpe
2024-08-06 14:41 ` Vasant Hegde
2024-08-06 17:32 ` Jason Gunthorpe
2024-08-07 5:49 ` Baolu Lu
2024-08-07 9:32 ` Vasant Hegde
2024-08-07 12:33 ` Jason Gunthorpe
2024-08-07 9:30 ` Vasant Hegde
2024-08-07 13:59 ` Jason Gunthorpe
2024-08-07 16:52 ` Vasant Hegde
2024-08-07 18:29 ` Jason Gunthorpe
2024-08-08 1:16 ` Jason Gunthorpe
2024-08-08 13:08 ` Jason Gunthorpe [this message]
2024-08-09 6:43 ` Vasant Hegde
2024-08-09 13:44 ` Jason Gunthorpe
2024-08-12 9:21 ` Vasant Hegde
2024-08-13 16:22 ` Jason Gunthorpe
2024-08-14 10:54 ` Vasant Hegde
2024-08-09 5:36 ` Vasant Hegde
2024-08-12 12:07 ` Yi Liu
2024-08-13 9:40 ` Tian, Kevin
2024-08-13 16:20 ` Jason Gunthorpe
2024-08-14 2:38 ` Tian, Kevin
2024-08-14 22:40 ` Jason Gunthorpe
2024-08-15 3:28 ` Vasant Hegde
2024-08-15 4:58 ` Yi Liu
2024-08-15 13:06 ` Jason Gunthorpe
2024-08-16 11:59 ` Yi Liu
2024-08-15 4:59 ` Baolu Lu
2024-08-15 13:47 ` Jason Gunthorpe
2024-08-16 8:17 ` Vasant Hegde
2024-08-16 12:01 ` Yi Liu
2024-08-16 18:37 ` Jason Gunthorpe
2024-08-19 8:27 ` Vasant Hegde
2024-08-19 17:52 ` Jason Gunthorpe
2024-08-20 8:18 ` Vasant Hegde
2024-08-15 13:05 ` Jason Gunthorpe
2024-08-12 12:01 ` Yi Liu
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=20240808130814.GA1985367@ziepe.ca \
--to=jgg@ziepe.ca \
--cc=alex.williamson@redhat.com \
--cc=baolu.lu@linux.intel.com \
--cc=iommu@lists.linux.dev \
--cc=joro@8bytes.org \
--cc=robin.murphy@arm.com \
--cc=suravee.suthikulpanit@amd.com \
--cc=vasant.hegde@amd.com \
--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