From: Yi Liu <yi.l.liu@intel.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: <joro@8bytes.org>, <kevin.tian@intel.com>,
<baolu.lu@linux.intel.com>, <will@kernel.org>,
<alex.williamson@redhat.com>, <eric.auger@redhat.com>,
<nicolinc@nvidia.com>, <kvm@vger.kernel.org>,
<chao.p.peng@linux.intel.com>, <iommu@lists.linux.dev>,
<zhenzhong.duan@intel.com>, <vasant.hegde@amd.com>
Subject: Re: [PATCH v2 3/3] iommu/vt-d: Make the blocked domain support PASID
Date: Mon, 21 Oct 2024 17:36:22 +0800 [thread overview]
Message-ID: <bbf5731c-bb0b-4a25-84bd-a12e70fdef90@intel.com> (raw)
In-Reply-To: <20241018155429.GI3559746@nvidia.com>
On 2024/10/18 23:54, Jason Gunthorpe wrote:
> On Thu, Oct 17, 2024 at 10:58:24PM -0700, Yi Liu wrote:
>
>> -static void intel_iommu_remove_dev_pasid(struct device *dev, ioasid_t pasid,
>> - struct iommu_domain *domain)
>> +static int blocking_domain_set_dev_pasid(struct iommu_domain *domain,
>> + struct device *dev, ioasid_t pasid,
>> + struct iommu_domain *old)
>> {
>> struct device_domain_info *info = dev_iommu_priv_get(dev);
>> struct intel_iommu *iommu = info->iommu;
>> @@ -4292,10 +4298,12 @@ static void intel_iommu_remove_dev_pasid(struct device *dev, ioasid_t pasid,
>> INTEL_PASID_TEARDOWN_DRAIN_PRQ);
>>
>> /* Identity domain has no meta data for pasid. */
>> - if (domain->type == IOMMU_DOMAIN_IDENTITY)
>> - return;
>> + if (old->type == IOMMU_DOMAIN_IDENTITY)
>> + goto out;
>
> Just return 0
>
got it.
--
Regards,
Yi Liu
next prev parent reply other threads:[~2024-10-21 9:32 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-18 5:58 [PATCH v2 0/3] Support attaching PASID to the blocked_domain Yi Liu
2024-10-18 5:58 ` [PATCH v2 1/3] iommu: Add a wrapper for remove_dev_pasid Yi Liu
2024-10-18 14:39 ` Jason Gunthorpe
2024-10-21 9:35 ` Yi Liu
2024-10-21 12:33 ` Jason Gunthorpe
2024-10-22 12:51 ` Yi Liu
2024-10-23 11:10 ` Vasant Hegde
2024-10-29 5:20 ` Yi Liu
2024-10-29 16:38 ` Vasant Hegde
2024-10-18 5:58 ` [PATCH v2 2/3] iommu/arm-smmu-v3: Make the blocked domain support PASID Yi Liu
2024-10-22 6:06 ` Nicolin Chen
2024-10-18 5:58 ` [PATCH v2 3/3] iommu/vt-d: " Yi Liu
2024-10-18 15:54 ` Jason Gunthorpe
2024-10-21 9:36 ` Yi Liu [this message]
2024-10-22 9:44 ` [PATCH v2 0/3] Support attaching PASID to the blocked_domain Vasant Hegde
2024-10-22 10:14 ` Yi Liu
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