From: Baolu Lu <baolu.lu@linux.intel.com>
To: "Tian, Kevin" <kevin.tian@intel.com>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
"iommu@lists.linux.dev" <iommu@lists.linux.dev>
Cc: baolu.lu@linux.intel.com, "Raj, Ashok" <ashok.raj@intel.com>,
"Liu, Yi L" <yi.l.liu@intel.com>,
"Pan, Jacob jun" <jacob.jun.pan@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 10/11] iommu/vt-d: Use device_domain_lock accurately
Date: Sun, 3 Jul 2022 12:35:17 +0800 [thread overview]
Message-ID: <49a1839a-c99d-258a-8f85-5a291c646038@linux.intel.com> (raw)
In-Reply-To: <BN9PR11MB52763F336B2535BC89E2C7498CBD9@BN9PR11MB5276.namprd11.prod.outlook.com>
On 2022/7/1 16:15, Tian, Kevin wrote:
>> From: Lu Baolu <baolu.lu@linux.intel.com>
>> Sent: Wednesday, June 29, 2022 3:47 PM
>>
>> + spin_lock_irqsave(&device_domain_lock, flags);
>> list_for_each_entry(info, &domain->devices, link) {
>> - if (!info->dev)
>> - continue;
>> -
>
> suppose you can replace all spin_lock_irqsave() with spin_lock()
> in patch5 instead of leaving some replacement to next patch.
>
Make sense to me. Will update this.
Best regards,
baolu
next prev parent reply other threads:[~2022-07-03 4:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-29 7:47 [PATCH v3 00/11] iommu/vt-d: Optimize the use of locks Lu Baolu
2022-06-29 7:47 ` [PATCH v3 01/11] iommu/vt-d: debugfs: Remove device_domain_lock usage Lu Baolu
2022-07-01 7:55 ` Tian, Kevin
2022-06-29 7:47 ` [PATCH v3 02/11] iommu/vt-d: Remove clearing translation data in disable_dmar_iommu() Lu Baolu
2022-07-01 7:58 ` Tian, Kevin
2022-07-03 4:34 ` Baolu Lu
2022-07-07 1:02 ` Tian, Kevin
2022-06-29 7:47 ` [PATCH v3 03/11] iommu/vt-d: Use pci_get_domain_bus_and_slot() in pgtable_walk() Lu Baolu
2022-06-29 7:47 ` [PATCH v3 04/11] iommu/vt-d: Unnecessary spinlock for root table alloc and free Lu Baolu
2022-06-29 7:47 ` [PATCH v3 05/11] iommu/vt-d: Replace spin_lock_irqsave() with spin_lock() Lu Baolu
2022-06-29 7:47 ` [PATCH v3 06/11] iommu/vt-d: Acquiring lock in domain ID allocation helpers Lu Baolu
2022-07-01 8:06 ` Tian, Kevin
2022-06-29 7:47 ` [PATCH v3 07/11] iommu/vt-d: Acquiring lock in pasid manipulation helpers Lu Baolu
2022-06-29 7:47 ` [PATCH v3 08/11] iommu/vt-d: Check device list of domain in domain free path Lu Baolu
2022-06-29 7:47 ` [PATCH v3 09/11] iommu/vt-d: Fold __dmar_remove_one_dev_info() into its caller Lu Baolu
2022-07-01 8:08 ` Tian, Kevin
2022-06-29 7:47 ` [PATCH v3 10/11] iommu/vt-d: Use device_domain_lock accurately Lu Baolu
2022-07-01 8:15 ` Tian, Kevin
2022-07-01 9:12 ` Baolu Lu
2022-07-03 4:35 ` Baolu Lu [this message]
2022-06-29 7:47 ` [PATCH v3 11/11] iommu/vt-d: Convert global spinlock into per domain lock Lu Baolu
2022-07-01 8:18 ` Tian, Kevin
2022-07-01 7:53 ` [PATCH v3 00/11] iommu/vt-d: Optimize the use of locks Tian, Kevin
2022-07-01 8:12 ` Baolu Lu
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