From: Jacob Pan <jacob.jun.pan@linux.intel.com>
To: iommu@lists.linux-foundation.org,
LKML <linux-kernel@vger.kernel.org>,
Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>,
Eric Auger <eric.auger@redhat.com>,
Alex Williamson <alex.williamson@redhat.com>,
Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Cc: "Yi Liu" <yi.l.liu@intel.com>,
"Tian, Kevin" <kevin.tian@intel.com>,
Raj Ashok <ashok.raj@intel.com>,
"Christoph Hellwig" <hch@infradead.org>,
"Lu Baolu" <baolu.lu@linux.intel.com>,
Andriy Shevchenko <andriy.shevchenko@linux.intel.com>,
Jacob Pan <jacob.jun.pan@linux.intel.com>
Subject: [PATCH v3 07/16] iommu/vtd: Optimize tlb invalidation for vIOMMU
Date: Fri, 3 May 2019 15:32:08 -0700 [thread overview]
Message-ID: <1556922737-76313-8-git-send-email-jacob.jun.pan@linux.intel.com> (raw)
In-Reply-To: <1556922737-76313-1-git-send-email-jacob.jun.pan@linux.intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
---
drivers/iommu/intel-svm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index 8f87304..f5d1e1e 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -211,7 +211,9 @@ static void intel_mm_release(struct mmu_notifier *mn, struct mm_struct *mm)
rcu_read_lock();
list_for_each_entry_rcu(sdev, &svm->devs, list) {
intel_pasid_tear_down_entry(svm->iommu, sdev->dev, svm->pasid);
- intel_flush_svm_range_dev(svm, sdev, 0, -1, 0, !svm->mm);
+ /* for emulated iommu, PASID cache invalidation implies IOTLB/DTLB */
+ if (!cap_caching_mode(svm->iommu->cap))
+ intel_flush_svm_range_dev(svm, sdev, 0, -1, 0, !svm->mm);
}
rcu_read_unlock();
--
2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Jacob Pan <jacob.jun.pan@linux.intel.com>
To: iommu@lists.linux-foundation.org,
LKML <linux-kernel@vger.kernel.org>,
Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>,
Eric Auger <eric.auger@redhat.com>,
Alex Williamson <alex.williamson@redhat.com>,
Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Cc: "Tian, Kevin" <kevin.tian@intel.com>,
Raj Ashok <ashok.raj@intel.com>,
Andriy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v3 07/16] iommu/vtd: Optimize tlb invalidation for vIOMMU
Date: Fri, 3 May 2019 15:32:08 -0700 [thread overview]
Message-ID: <1556922737-76313-8-git-send-email-jacob.jun.pan@linux.intel.com> (raw)
In-Reply-To: <1556922737-76313-1-git-send-email-jacob.jun.pan@linux.intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
---
drivers/iommu/intel-svm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index 8f87304..f5d1e1e 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -211,7 +211,9 @@ static void intel_mm_release(struct mmu_notifier *mn, struct mm_struct *mm)
rcu_read_lock();
list_for_each_entry_rcu(sdev, &svm->devs, list) {
intel_pasid_tear_down_entry(svm->iommu, sdev->dev, svm->pasid);
- intel_flush_svm_range_dev(svm, sdev, 0, -1, 0, !svm->mm);
+ /* for emulated iommu, PASID cache invalidation implies IOTLB/DTLB */
+ if (!cap_caching_mode(svm->iommu->cap))
+ intel_flush_svm_range_dev(svm, sdev, 0, -1, 0, !svm->mm);
}
rcu_read_unlock();
--
2.7.4
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next prev parent reply other threads:[~2019-05-03 22:29 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-03 22:32 [PATCH v3 00/16] Shared virtual address IOMMU and VT-d support Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 01/16] iommu: Introduce attach/detach_pasid_table API Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 02/16] iommu: Introduce cache_invalidate API Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-13 9:14 ` Auger Eric
2019-05-13 9:14 ` Auger Eric
2019-05-13 11:20 ` Jean-Philippe Brucker
2019-05-13 11:20 ` Jean-Philippe Brucker
2019-05-13 16:50 ` Auger Eric
2019-05-13 16:50 ` Auger Eric
2019-05-13 17:09 ` Jean-Philippe Brucker
2019-05-13 17:09 ` Jean-Philippe Brucker
2019-05-13 22:16 ` Jacob Pan
2019-05-13 22:16 ` Jacob Pan
2019-05-14 7:36 ` Auger Eric
2019-05-14 7:36 ` Auger Eric
2019-05-14 10:41 ` Jean-Philippe Brucker
2019-05-14 10:41 ` Jean-Philippe Brucker
2019-05-14 17:44 ` Jacob Pan
2019-05-14 17:44 ` Jacob Pan
2019-05-14 17:57 ` Jacob Pan
2019-05-14 17:57 ` Jacob Pan
2019-05-15 11:03 ` Jean-Philippe Brucker
2019-05-15 11:03 ` Jean-Philippe Brucker
2019-05-15 14:47 ` Tian, Kevin
2019-05-15 14:47 ` Tian, Kevin
2019-05-15 15:25 ` Jean-Philippe Brucker
2019-05-15 15:25 ` Jean-Philippe Brucker
2019-05-14 7:46 ` Auger Eric
2019-05-14 7:46 ` Auger Eric
2019-05-14 10:42 ` Jean-Philippe Brucker
2019-05-14 10:42 ` Jean-Philippe Brucker
2019-05-14 11:02 ` Auger Eric
2019-05-14 11:02 ` Auger Eric
2019-05-14 17:55 ` Jacob Pan
2019-05-14 17:55 ` Jacob Pan
2019-05-15 15:52 ` Jean-Philippe Brucker
2019-05-15 15:52 ` Jean-Philippe Brucker
2019-05-15 16:25 ` Jacob Pan
2019-05-15 16:25 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 03/16] iommu: Add I/O ASID allocator Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-21 8:21 ` Auger Eric
2019-05-21 8:21 ` Auger Eric
2019-05-21 17:03 ` Jacob Pan
2019-05-21 17:03 ` Jacob Pan
2019-05-22 12:19 ` Jean-Philippe Brucker
2019-05-22 12:19 ` Jean-Philippe Brucker
2019-05-21 9:41 ` Auger Eric
2019-05-21 9:41 ` Auger Eric
2019-05-21 17:05 ` Jacob Pan
2019-05-21 17:05 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 04/16] ioasid: Add custom IOASID allocator Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-21 9:55 ` Auger Eric
2019-05-21 9:55 ` Auger Eric
2019-05-22 19:42 ` Jacob Pan
2019-05-22 19:42 ` Jacob Pan
2019-05-23 7:14 ` Auger Eric
2019-05-23 7:14 ` Auger Eric
2019-05-23 15:40 ` Jacob Pan
2019-05-23 15:40 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 05/16] iommu/vt-d: Enlightened PASID allocation Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 06/16] iommu/vt-d: Add custom allocator for IOASID Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-03 22:32 ` Jacob Pan [this message]
2019-05-03 22:32 ` [PATCH v3 07/16] iommu/vtd: Optimize tlb invalidation for vIOMMU Jacob Pan
2019-05-03 22:32 ` [PATCH v3 08/16] iommu/vt-d: Replace Intel specific PASID allocator with IOASID Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 09/16] iommu: Introduce guest PASID bind function Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-16 14:14 ` Jean-Philippe Brucker
2019-05-16 14:14 ` Jean-Philippe Brucker
2019-05-16 16:14 ` Jacob Pan
2019-05-16 16:14 ` Jacob Pan
2019-05-20 19:22 ` Jacob Pan
2019-05-20 19:22 ` Jacob Pan
2019-05-21 16:09 ` Jean-Philippe Brucker
2019-05-21 16:09 ` Jean-Philippe Brucker
2019-05-21 22:50 ` Jacob Pan
2019-05-21 22:50 ` Jacob Pan
2019-05-22 15:05 ` Jean-Philippe Brucker
2019-05-22 15:05 ` Jean-Philippe Brucker
2019-05-22 17:15 ` Jacob Pan
2019-05-22 17:15 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 10/16] iommu/vt-d: Move domain helper to header Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 11/16] iommu/vt-d: Avoid duplicated code for PASID setup Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 12/16] iommu/vt-d: Add nested translation helper function Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 13/16] iommu/vt-d: Clean up for SVM device list Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 14/16] iommu/vt-d: Add bind guest PASID support Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 15/16] iommu/vt-d: Support flushing more translation cache types Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-03 22:32 ` [PATCH v3 16/16] iommu/vt-d: Add svm/sva invalidate function Jacob Pan
2019-05-03 22:32 ` Jacob Pan
2019-05-15 16:31 ` [PATCH v3 00/16] Shared virtual address IOMMU and VT-d support Jacob Pan
2019-05-15 16:31 ` Jacob Pan
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