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From: Yi Liu <yi.l.liu@intel.com>
To: "Tian, Kevin" <kevin.tian@intel.com>,
	"joro@8bytes.org" <joro@8bytes.org>,
	"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
	"jgg@nvidia.com" <jgg@nvidia.com>,
	"robin.murphy@arm.com" <robin.murphy@arm.com>,
	"baolu.lu@linux.intel.com" <baolu.lu@linux.intel.com>
Cc: "cohuck@redhat.com" <cohuck@redhat.com>,
	"eric.auger@redhat.com" <eric.auger@redhat.com>,
	"nicolinc@nvidia.com" <nicolinc@nvidia.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"mjrosato@linux.ibm.com" <mjrosato@linux.ibm.com>,
	"chao.p.peng@linux.intel.com" <chao.p.peng@linux.intel.com>,
	"yi.y.sun@linux.intel.com" <yi.y.sun@linux.intel.com>,
	"peterx@redhat.com" <peterx@redhat.com>,
	"jasowang@redhat.com" <jasowang@redhat.com>,
	"shameerali.kolothum.thodi@huawei.com"
	<shameerali.kolothum.thodi@huawei.com>,
	"lulu@redhat.com" <lulu@redhat.com>,
	"suravee.suthikulpanit@amd.com" <suravee.suthikulpanit@amd.com>,
	"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-kselftest@vger.kernel.org"
	<linux-kselftest@vger.kernel.org>,
	"Duan, Zhenzhong" <zhenzhong.duan@intel.com>,
	"joao.m.martins@oracle.com" <joao.m.martins@oracle.com>,
	"Zeng, Xin" <xin.zeng@intel.com>,
	"Zhao, Yan Y" <yan.y.zhao@intel.com>,
	"j.granados@samsung.com" <j.granados@samsung.com>
Subject: Re: [PATCH v7 7/9] iommu/vt-d: Allow qi_submit_sync() to return the QI faults
Date: Tue, 26 Dec 2023 12:03:09 +0800	[thread overview]
Message-ID: <e1cf94ba-aaf7-448b-a87b-95d8a2442b20@intel.com> (raw)
In-Reply-To: <BN9PR11MB5276468811C5113427D4CA6F8C94A@BN9PR11MB5276.namprd11.prod.outlook.com>

On 2023/12/22 12:23, Tian, Kevin wrote:
>> From: Liu, Yi L <yi.l.liu@intel.com>
>> Sent: Thursday, December 21, 2023 11:40 PM
>>
>> +	fault &= DMA_FSTS_IQE | DMA_FSTS_ITE | DMA_FSTS_ICE;
>> +	if (fault) {
>> +		if (fsts)
>> +			*fsts |= fault;
> 
> do we expect the fault to be accumulated? otherwise it's clearer to
> just do direct assignment instead of asking for the caller to clear
> the variable before invocation.

not quite get. do you mean the fault should not be cleared in the caller
side?

> the rest looks good:
> 
> Reviewed-by: Kevin Tian <kevin.tian@intel.com>

-- 
Regards,
Yi Liu

  reply	other threads:[~2023-12-26  4:00 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-21 15:39 [PATCH v7 0/9] Add iommufd nesting (part 2/2) Yi Liu
2023-12-21 15:39 ` [PATCH v7 1/9] iommu: Add cache_invalidate_user op Yi Liu
2023-12-22  2:30   ` Tian, Kevin
2023-12-26  2:24     ` Yi Liu
2023-12-21 15:39 ` [PATCH v7 2/9] iommufd: Add IOMMU_HWPT_INVALIDATE Yi Liu
2023-12-22  3:19   ` Tian, Kevin
2023-12-26  4:00     ` Yi Liu
2023-12-21 15:39 ` [PATCH v7 3/9] iommu: Add iommu_copy_struct_from_user_array helper Yi Liu
2023-12-22  3:25   ` Tian, Kevin
2023-12-21 15:39 ` [PATCH v7 4/9] iommufd/selftest: Add mock_domain_cache_invalidate_user support Yi Liu
2023-12-22  3:39   ` Tian, Kevin
2023-12-26  3:35     ` Yi Liu
2023-12-21 15:39 ` [PATCH v7 5/9] iommufd/selftest: Add IOMMU_TEST_OP_MD_CHECK_IOTLB test op Yi Liu
2023-12-22  4:01   ` Tian, Kevin
2023-12-21 15:39 ` [PATCH v7 6/9] iommufd/selftest: Add coverage for IOMMU_HWPT_INVALIDATE ioctl Yi Liu
2023-12-22  4:09   ` Tian, Kevin
2023-12-26  4:01     ` Yi Liu
2023-12-21 15:39 ` [PATCH v7 7/9] iommu/vt-d: Allow qi_submit_sync() to return the QI faults Yi Liu
2023-12-22  4:23   ` Tian, Kevin
2023-12-26  4:03     ` Yi Liu [this message]
2023-12-26  4:13       ` Tian, Kevin
2023-12-26  6:15         ` Yi Liu
2023-12-26  8:44           ` Yi Liu
2023-12-26  9:21             ` Tian, Kevin
2023-12-27  9:06             ` Duan, Zhenzhong
2023-12-27  9:33               ` Ethan Zhao
2023-12-27 14:12                 ` Yi Liu
2023-12-28  5:39                   ` Tian, Kevin
2023-12-21 15:39 ` [PATCH v7 8/9] iommu/vt-d: Convert pasid based cache invalidation to return QI fault Yi Liu
2023-12-22  6:04   ` Tian, Kevin
2023-12-26  4:14     ` Yi Liu
2023-12-21 15:39 ` [PATCH v7 9/9] iommu/vt-d: Add iotlb flush for nested domain Yi Liu
2023-12-22  3:56   ` Yang, Weijiang
2023-12-22  6:47     ` Tian, Kevin
2023-12-22  7:01       ` Liu, Yi L
2023-12-22  7:12         ` Tian, Kevin
2023-12-22 11:59           ` Liu, Yi L
2023-12-26  8:46             ` Yi Liu
2023-12-22  7:00     ` Liu, Yi L
2023-12-22  6:57   ` Tian, Kevin
2023-12-26  4:51     ` Yi Liu
2023-12-26  6:11       ` Tian, Kevin
2023-12-26 12:35       ` Yi Liu
2023-12-27  9:27   ` Duan, Zhenzhong
2023-12-27 14:14     ` Yi Liu

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