From: Jason Gunthorpe <jgg@nvidia.com>
To: Yi Liu <yi.l.liu@intel.com>
Cc: joro@8bytes.org, kevin.tian@intel.com, baolu.lu@linux.intel.com,
alex.williamson@redhat.com, eric.auger@redhat.com,
nicolinc@nvidia.com, chao.p.peng@linux.intel.com,
iommu@lists.linux.dev, zhenzhong.duan@intel.com,
linux-kselftest@vger.kernel.org, vasant.hegde@amd.com
Subject: Re: [PATCH v2 6/6] iommu: Make set_dev_pasid op support domain replacement
Date: Thu, 26 Sep 2024 16:06:41 -0300 [thread overview]
Message-ID: <20240926190641.GJ9417@nvidia.com> (raw)
In-Reply-To: <20240912130427.10119-7-yi.l.liu@intel.com>
On Thu, Sep 12, 2024 at 06:04:27AM -0700, Yi Liu wrote:
> The iommu core is going to support domain replacement for pasid, it needs
> to make the set_dev_pasid op support replacing domain and keep the old
> domain config in the failure case.
>
> AMD iommu driver does not support domain replacement for pasid yet, so it
> would fail the set_dev_pasid op to keep the old config if the input @old
> is non-NULL.
>
> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
> Signed-off-by: Yi Liu <yi.l.liu@intel.com>
> ---
> drivers/iommu/amd/pasid.c | 3 +++
> include/linux/iommu.h | 3 ++-
> 2 files changed, 5 insertions(+), 1 deletion(-)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
next prev parent reply other threads:[~2024-09-26 19:06 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-12 13:04 [PATCH v2 0/6] Make set_dev_pasid op supporting domain replacement Yi Liu
2024-09-12 13:04 ` [PATCH v2 1/6] iommu: Pass old domain to set_dev_pasid op Yi Liu
2024-09-26 19:04 ` Jason Gunthorpe
2024-09-30 7:11 ` Tian, Kevin
2024-09-12 13:04 ` [PATCH v2 2/6] iommu/vt-d: Move intel_drain_pasid_prq() into intel_pasid_tear_down_entry() Yi Liu
2024-09-12 13:22 ` Baolu Lu
2024-09-13 12:10 ` Yi Liu
2024-09-13 2:11 ` Baolu Lu
2024-09-13 12:11 ` Yi Liu
2024-09-30 7:15 ` Tian, Kevin
2024-09-12 13:04 ` [PATCH v2 3/6] iommu/vt-d: Make intel_iommu_set_dev_pasid() to handle domain replacement Yi Liu
2024-09-13 1:35 ` Baolu Lu
2024-09-13 2:17 ` Baolu Lu
2024-09-13 12:18 ` Yi Liu
2024-09-30 7:19 ` Tian, Kevin
2024-10-09 1:09 ` Baolu Lu
2024-10-11 5:01 ` Tian, Kevin
2024-09-13 12:17 ` Yi Liu
2024-09-13 1:42 ` Baolu Lu
2024-09-13 12:21 ` Yi Liu
2024-09-14 1:03 ` Baolu Lu
2024-09-14 3:03 ` Liu, Yi L
2024-09-12 13:04 ` [PATCH v2 4/6] iommu/vt-d: Add set_dev_pasid callback for nested domain Yi Liu
2024-09-13 1:52 ` Baolu Lu
2024-09-13 12:22 ` Yi Liu
2024-09-30 7:19 ` Tian, Kevin
2024-09-12 13:04 ` [PATCH v2 5/6] iommu/arm-smmu-v3: Make smmuv3 set_dev_pasid() op support replace Yi Liu
2024-09-30 7:20 ` Tian, Kevin
2024-10-15 8:43 ` Will Deacon
2024-10-15 10:03 ` Yi Liu
2024-10-15 16:27 ` Jason Gunthorpe
2024-09-12 13:04 ` [PATCH v2 6/6] iommu: Make set_dev_pasid op support domain replacement Yi Liu
2024-09-26 19:06 ` Jason Gunthorpe [this message]
2024-09-30 7:20 ` Tian, Kevin
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