From: Jason Gunthorpe <jgg@nvidia.com>
To: Jacob Pan <jacob.pan@linux.microsoft.com>
Cc: Jonathan Corbet <corbet@lwn.net>,
iommu@lists.linux.dev, Joerg Roedel <joro@8bytes.org>,
Justin Stitt <justinstitt@google.com>,
Kevin Tian <kevin.tian@intel.com>,
linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org,
llvm@lists.linux.dev, Bill Wendling <morbo@google.com>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
Miguel Ojeda <ojeda@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Shuah Khan <shuah@kernel.org>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
Will Deacon <will@kernel.org>, Alexey Kardashevskiy <aik@amd.com>,
Alejandro Jimenez <alejandro.j.jimenez@oracle.com>,
James Gowans <jgowans@amazon.com>,
Michael Roth <michael.roth@amd.com>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
patches@lists.linux.dev
Subject: Re: [PATCH v2 12/15] iommupt: Add the x86 64 bit page table format
Date: Fri, 6 Jun 2025 08:43:19 -0300 [thread overview]
Message-ID: <20250606114319.GG19710@nvidia.com> (raw)
In-Reply-To: <20250605140358.2dd6c083@DESKTOP-0403QTC.>
On Thu, Jun 05, 2025 at 02:03:58PM -0700, Jacob Pan wrote:
> Hi Jason,
>
> On Mon, 5 May 2025 11:18:42 -0300
> Jason Gunthorpe <jgg@nvidia.com> wrote:
>
> > +config IOMMU_PT_X86_64
> > + tristate "IOMMU page table for x86 64 bit, 4/5 levels"
> > + depends on !GENERIC_ATOMIC64 # for cmpxchg64
> > + default n
> > + help
> > + iommu_domain implementation for the x86 64 bit 4/5 level
> > page table.
> > + It supports 4K/2M/1G page sizes and can decode a sign
> > extended
> > + portion of the 64 bit IOVA space.
> > +
> > + Selected automatically by an IOMMU driver that uses this
> > format. +
> > config IOMMU_PT_KUNIT_TEST
> > tristate "IOMMU Page Table KUnit Test" if !KUNIT_ALL_TESTS
> > depends on KUNIT
> > depends on IOMMU_PT_AMDV1 || !IOMMU_PT_AMDV1
> > + depends on IOMMU_PT_X86_64 || !IOMMU_PT_X86_64
> Is this intended? or you mean:
> depends on IOMMU_PT_X86_64 || IOMMU_PT_AMDV1
It is intended, this is the kconfig pattern that says if
IOMMU_PT_X86_64 is enabled and modular then IOMMU_PT_KUNIT_TEST must
also be modular.
Jason
next prev parent reply other threads:[~2025-06-06 11:43 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-05 14:18 [PATCH v2 00/15] Consolidate iommu page table implementations (AMD) Jason Gunthorpe
2025-05-05 14:18 ` [PATCH v2 01/15] genpt: Generic Page Table base API Jason Gunthorpe
2025-05-05 14:18 ` [PATCH v2 02/15] genpt: Add Documentation/ files Jason Gunthorpe
2025-05-07 2:37 ` Bagas Sanjaya
2025-05-13 18:53 ` Jason Gunthorpe
2025-05-15 6:21 ` Bagas Sanjaya
2025-05-05 14:18 ` [PATCH v2 03/15] iommupt: Add the basic structure of the iommu implementation Jason Gunthorpe
2025-05-14 9:23 ` Ankit Soni
2025-05-14 15:54 ` Jason Gunthorpe
2025-05-14 20:08 ` Alejandro Jimenez
2025-05-15 19:32 ` Jason Gunthorpe
2025-05-16 5:02 ` Ankit Soni
2025-05-16 20:39 ` Alejandro Jimenez
2025-05-05 14:18 ` [PATCH v2 04/15] iommupt: Add the AMD IOMMU v1 page table format Jason Gunthorpe
2025-05-05 18:48 ` ALOK TIWARI
2025-05-16 8:30 ` Yi Liu
2025-05-16 11:57 ` Jason Gunthorpe
2025-05-05 14:18 ` [PATCH v2 05/15] iommupt: Add iova_to_phys op Jason Gunthorpe
2025-05-05 14:18 ` [PATCH v2 06/15] iommupt: Add unmap_pages op Jason Gunthorpe
2025-05-05 14:18 ` [PATCH v2 07/15] iommupt: Add map_pages op Jason Gunthorpe
2025-05-13 5:15 ` Ankit Soni
2025-05-13 12:00 ` Jason Gunthorpe
2025-06-05 16:49 ` Jason Gunthorpe
2025-05-05 14:18 ` [PATCH v2 08/15] iommupt: Add read_and_clear_dirty op Jason Gunthorpe
2025-05-05 14:18 ` [PATCH v2 09/15] iommupt: Add a kunit test for Generic Page Table Jason Gunthorpe
2025-05-05 14:18 ` [PATCH v2 10/15] iommupt: Add a mock pagetable format for iommufd selftest to use Jason Gunthorpe
2025-05-05 14:18 ` [PATCH v2 11/15] iommufd: Change the selftest to use iommupt instead of xarray Jason Gunthorpe
2025-05-05 14:18 ` [PATCH v2 12/15] iommupt: Add the x86 64 bit page table format Jason Gunthorpe
2025-06-05 21:03 ` Jacob Pan
2025-06-06 11:43 ` Jason Gunthorpe [this message]
2025-05-05 14:18 ` [PATCH v2 13/15] iommu/amd: Use the generic iommu page table Jason Gunthorpe
2025-05-05 19:09 ` ALOK TIWARI
2025-05-05 14:18 ` [PATCH v2 14/15] iommu/amd: Remove AMD io_pgtable support Jason Gunthorpe
2025-05-05 14:18 ` [PATCH v2 15/15] iommupt: Add a kunit test for the IOMMU implementation Jason Gunthorpe
2025-05-05 17:44 ` Nathan Chancellor
2025-05-05 17:47 ` Jason Gunthorpe
2025-05-05 18:00 ` Nathan Chancellor
2025-05-13 1:08 ` [PATCH v2 00/15] Consolidate iommu page table implementations (AMD) Alejandro Jimenez
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=20250606114319.GG19710@nvidia.com \
--to=jgg@nvidia.com \
--cc=aik@amd.com \
--cc=alejandro.j.jimenez@oracle.com \
--cc=corbet@lwn.net \
--cc=iommu@lists.linux.dev \
--cc=jacob.pan@linux.microsoft.com \
--cc=jgowans@amazon.com \
--cc=joro@8bytes.org \
--cc=justinstitt@google.com \
--cc=kevin.tian@intel.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=llvm@lists.linux.dev \
--cc=michael.roth@amd.com \
--cc=morbo@google.com \
--cc=nathan@kernel.org \
--cc=nick.desaulniers+lkml@gmail.com \
--cc=ojeda@kernel.org \
--cc=pasha.tatashin@soleen.com \
--cc=patches@lists.linux.dev \
--cc=robin.murphy@arm.com \
--cc=shuah@kernel.org \
--cc=suravee.suthikulpanit@amd.com \
--cc=will@kernel.org \
/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