From: Jason Gunthorpe <jgg@nvidia.com>
To: Nicolin Chen <nicolinc@nvidia.com>
Cc: Yi Liu <yi.l.liu@intel.com>,
kevin.tian@intel.com, joro@8bytes.org, baolu.lu@linux.intel.com,
iommu@lists.linux.dev
Subject: Re: [PATCH v10 17/18] iommufd/selftest: Add test ops to test pasid attach/detach
Date: Thu, 20 Mar 2025 20:33:40 -0300 [thread overview]
Message-ID: <20250320233340.GQ206770@nvidia.com> (raw)
In-Reply-To: <Z9yiIEaWyMGyyc2A@Asurada-Nvidia>
On Thu, Mar 20, 2025 at 04:17:52PM -0700, Nicolin Chen wrote:
> > @@ -223,10 +223,29 @@ static int mock_domain_nop_attach(struct iommu_domain *domain,
> > return 0;
> > }
> >
> > +static bool pasid_1024_attached;
>
> I recall syzkaller would do multi-threading... We might need a
> global mutex or something atomic_t?
It can't be a global it would mess up the model.. Store this in
the mock_device maybe?
Jason
next prev parent reply other threads:[~2025-03-20 23:33 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-20 13:47 [PATCH v10 00/18] iommufd support pasid attach/replace Yi Liu
2025-03-20 13:47 ` [PATCH v10 01/18] iommu: Require passing new handles to APIs supporting handle Yi Liu
2025-03-20 15:23 ` Jason Gunthorpe
2025-03-20 23:51 ` Yi Liu
2025-03-21 2:35 ` Baolu Lu
2025-03-20 13:47 ` [PATCH v10 02/18] iommu: Introduce a replace API for device pasid Yi Liu
2025-03-20 17:24 ` Nicolin Chen
2025-03-20 23:58 ` Yi Liu
2025-03-21 0:14 ` Yi Liu
2025-03-21 3:21 ` Nicolin Chen
2025-03-21 4:06 ` Yi Liu
2025-03-21 3:08 ` Baolu Lu
2025-03-21 4:19 ` Yi Liu
2025-03-20 13:47 ` [PATCH v10 03/18] iommufd: Pass @pasid through the device attach/replace path Yi Liu
2025-03-21 3:13 ` Baolu Lu
2025-03-20 13:47 ` [PATCH v10 04/18] iommufd/device: Only add reserved_iova in non-pasid path Yi Liu
2025-03-21 3:14 ` Baolu Lu
2025-03-20 13:47 ` [PATCH v10 05/18] iommufd/device: Replace idev->igroup with local variable Yi Liu
2025-03-21 3:14 ` Baolu Lu
2025-03-20 13:47 ` [PATCH v10 06/18] iommufd/device: Add helper to detect the first attach of a group Yi Liu
2025-03-20 15:36 ` Jason Gunthorpe
2025-03-20 17:36 ` Nicolin Chen
2025-03-20 17:51 ` Nicolin Chen
2025-03-21 0:02 ` Yi Liu
2025-03-20 18:04 ` Jason Gunthorpe
2025-03-20 18:24 ` Nicolin Chen
2025-03-21 3:18 ` Baolu Lu
2025-03-20 13:47 ` [PATCH v10 07/18] iommufd/device: Wrap igroup->hwpt and igroup->device_list into attach struct Yi Liu
2025-03-20 15:48 ` Jason Gunthorpe
2025-03-20 18:03 ` Nicolin Chen
2025-03-21 3:22 ` Baolu Lu
2025-03-20 13:47 ` [PATCH v10 08/18] iommufd/device: Replace device_list with device_array Yi Liu
2025-03-20 17:20 ` Jason Gunthorpe
2025-03-21 0:25 ` Yi Liu
2025-03-20 18:38 ` Nicolin Chen
2025-03-21 0:30 ` Yi Liu
2025-03-21 3:25 ` Nicolin Chen
2025-03-20 13:47 ` [PATCH v10 09/18] iommufd/device: Add pasid_attach array to track per-PASID attach Yi Liu
2025-03-20 17:33 ` Jason Gunthorpe
2025-03-20 19:19 ` Nicolin Chen
2025-03-20 19:29 ` Jason Gunthorpe
2025-03-20 20:13 ` Nicolin Chen
2025-03-21 0:15 ` Yi Liu
2025-03-20 13:47 ` [PATCH v10 10/18] iommufd: Enforce PASID-compatible domain in PASID path Yi Liu
2025-03-20 13:47 ` [PATCH v10 11/18] iommufd: Support pasid attach/replace Yi Liu
2025-03-20 20:42 ` Nicolin Chen
2025-03-20 23:29 ` Jason Gunthorpe
2025-03-21 0:31 ` Yi Liu
2025-03-21 0:35 ` Nicolin Chen
2025-03-21 1:05 ` Yi Liu
2025-03-21 11:45 ` Jason Gunthorpe
2025-03-20 13:47 ` [PATCH v10 12/18] iommufd: Enforce PASID-compatible domain for RID Yi Liu
2025-03-20 17:35 ` Jason Gunthorpe
2025-03-20 22:23 ` Nicolin Chen
2025-03-20 23:31 ` Jason Gunthorpe
2025-03-21 0:45 ` Yi Liu
2025-03-21 0:41 ` Yi Liu
2025-03-20 13:47 ` [PATCH v10 13/18] iommu/vt-d: Add IOMMU_HWPT_ALLOC_PASID support Yi Liu
2025-03-20 13:47 ` [PATCH v10 14/18] iommufd: Allow allocating PASID-compatible domain Yi Liu
2025-03-20 17:51 ` Jason Gunthorpe
2025-03-21 0:52 ` Yi Liu
2025-03-20 22:36 ` Nicolin Chen
2025-03-20 13:47 ` [PATCH v10 15/18] iommufd/selftest: Add set_dev_pasid in mock iommu Yi Liu
2025-03-20 22:48 ` Nicolin Chen
2025-03-20 13:47 ` [PATCH v10 16/18] iommufd/selftest: Add a helper to get test device Yi Liu
2025-03-20 13:47 ` [PATCH v10 17/18] iommufd/selftest: Add test ops to test pasid attach/detach Yi Liu
2025-03-20 23:17 ` Nicolin Chen
2025-03-20 23:33 ` Jason Gunthorpe [this message]
2025-03-20 23:42 ` Nicolin Chen
2025-03-21 1:43 ` Yi Liu
2025-03-21 17:25 ` Nicolin Chen
2025-03-20 23:20 ` Nicolin Chen
2025-03-21 1:20 ` Yi Liu
2025-03-20 13:47 ` [PATCH v10 18/18] iommufd/selftest: Add coverage for iommufd " Yi Liu
2025-03-21 0:34 ` Nicolin Chen
2025-03-21 15:26 ` Yi Liu
2025-03-21 17:10 ` Nicolin Chen
2025-03-20 13:59 ` [PATCH v10 00/18] iommufd support pasid attach/replace Yi Liu
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