From: okaya@codeaurora.org
To: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Cc: Mark Rutland <Mark.Rutland@arm.com>,
xieyisheng1@huawei.com, ilias.apalodimas@linaro.org,
kvm@vger.kernel.org, linux-pci@vger.kernel.org,
xuzaibo@huawei.com, jonathan.cameron@huawei.com,
Will Deacon <Will.Deacon@arm.com>,
yi.l.liu@intel.com, Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
ashok.raj@intel.com, tn@semihalf.com, joro@8bytes.org,
robdclark@gmail.com, bharatku@xilinx.com,
linux-acpi@vger.kernel.org,
Catalin Marinas <Catalin.Marinas@arm.com>,
rfranz@cavium.com, lenb@kernel.org, devicetree@vger.kernel.org,
jacob.jun.pan@linux.intel.com, alex.williamson@redhat.com,
robh+dt@kernel.org, thunder.leizhen@huawei.com,
bhelgaas@google.com, linux-arm-kernel@lists.infradead.org,
shunyong.yang@hxt-semitech.com, dwmw2@infradead.org,
liubo95@huawei.com, rjw@rjwysocki.net, jcrouse@codeaurora.org,
iommu@lists.linux-foundation.org, hanjun.guo@linaro.org,
Sudeep Holla <Sudeep.Holla@arm.com>,
linux-acpi-owner@vger.kernel.org,
Robin Murphy <Robin.Murphy@arm.com>,
christian.koenig@amd.com, nwatters@codeaurora.org
Subject: Re: [PATCH 07/37] iommu: Add a page fault handler
Date: Tue, 06 Mar 2018 07:52:37 -0500 [thread overview]
Message-ID: <93dc46c9f4c9f5f6f9dc50c26333398b@codeaurora.org> (raw)
In-Reply-To: <430e9754-4cf7-0aa8-7899-fc13e6a2e079@arm.com>
On 2018-03-06 05:46, Jean-Philippe Brucker wrote:
> On 05/03/18 21:53, Sinan Kaya wrote:
>> On 2/12/2018 1:33 PM, Jean-Philippe Brucker wrote:
>>> +static struct workqueue_struct *iommu_fault_queue;
>>
>> Is there anyway we can make this fault queue per struct device?
>> Since this is common code, I think it needs some care.
>
> I don't think it's better, the workqueue struct seems large. Maybe
> having
> one wq per IOMMU is a good compromise?
Yes, one per iommu sounds reasonable.
As said in my other reply for this
> patch, doing so isn't completely straightforward. I'll consider adding
> an
> iommu pointer to the iommu_param struct attached to each device.
>
> Thanks,
> Jean
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next prev parent reply other threads:[~2018-03-06 12:52 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-12 18:33 [PATCH 00/37] Shared Virtual Addressing for the IOMMU Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 01/37] iommu: Introduce Shared Virtual Addressing API Jean-Philippe Brucker
2018-02-13 7:31 ` Tian, Kevin
2018-02-13 12:40 ` Jean-Philippe Brucker
2018-02-13 23:43 ` Tian, Kevin
2018-02-15 12:42 ` Jean-Philippe Brucker
2018-02-27 6:21 ` Tian, Kevin
2018-02-28 16:20 ` Jean-Philippe Brucker
2018-02-15 9:59 ` Joerg Roedel
2018-02-15 12:43 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 02/37] iommu/sva: Bind process address spaces to devices Jean-Philippe Brucker
2018-02-13 7:54 ` Tian, Kevin
2018-02-13 12:57 ` Jean-Philippe Brucker
2018-02-13 23:34 ` Tian, Kevin
2018-02-15 12:40 ` Jean-Philippe Brucker
2018-03-01 3:03 ` Liu, Yi L
2018-03-02 16:03 ` Jean-Philippe Brucker
2018-02-15 10:21 ` joro
2018-02-15 12:29 ` Christian König
2018-02-15 12:46 ` Jean-Philippe Brucker
2018-02-28 20:34 ` Sinan Kaya
2018-03-02 12:32 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 03/37] iommu/sva: Manage process address spaces Jean-Philippe Brucker
2018-03-01 6:52 ` Lu Baolu
2018-03-01 8:04 ` Christian König
2018-03-02 16:42 ` Jean-Philippe Brucker
2018-03-02 16:19 ` Jean-Philippe Brucker
2018-03-05 15:28 ` Sinan Kaya
2018-03-06 10:37 ` Jean-Philippe Brucker
2018-04-10 18:53 ` Sinan Kaya
2018-04-13 10:59 ` Jean-Philippe Brucker
2018-04-24 1:32 ` Sinan Kaya
2018-04-24 9:33 ` Jean-Philippe Brucker
2018-04-24 17:17 ` Sinan Kaya
2018-02-12 18:33 ` [PATCH 04/37] iommu/sva: Add a mm_exit callback for device drivers Jean-Philippe Brucker
2018-02-13 8:11 ` Tian, Kevin
2018-02-13 12:57 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 05/37] iommu/sva: Track mm changes with an MMU notifier Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 06/37] iommu/sva: Search mm by PASID Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 07/37] iommu: Add a page fault handler Jean-Philippe Brucker
2018-02-14 7:18 ` Jacob Pan
2018-02-15 13:49 ` Jean-Philippe Brucker
2018-03-05 21:44 ` Sinan Kaya
2018-03-06 10:24 ` Jean-Philippe Brucker
2018-03-05 21:53 ` Sinan Kaya
2018-03-06 10:46 ` Jean-Philippe Brucker
2018-03-06 12:52 ` okaya [this message]
2018-03-08 15:40 ` Jonathan Cameron
2018-03-14 13:08 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 08/37] iommu/fault: Handle mm faults Jean-Philippe Brucker
2018-02-14 18:46 ` Jacob Pan
2018-02-15 13:51 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 09/37] iommu/fault: Let handler return a fault response Jean-Philippe Brucker
2018-02-20 23:19 ` Jacob Pan
2018-02-21 10:28 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 10/37] iommu/fault: Allow blocking fault handlers Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 11/37] dt-bindings: document stall and PASID properties for IOMMU masters Jean-Philippe Brucker
2018-02-19 2:51 ` Rob Herring
2018-02-20 11:28 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 12/37] iommu/of: Add stall and pasid properties to iommu_fwspec Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 13/37] arm64: mm: Pin down ASIDs for sharing mm with devices Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 14/37] iommu/arm-smmu-v3: Link domains and devices Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 15/37] iommu/io-pgtable-arm: Factor out ARM LPAE register defines Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 16/37] iommu: Add generic PASID table library Jean-Philippe Brucker
2018-02-27 18:51 ` Jacob Pan
2018-02-28 16:22 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 17/37] iommu/arm-smmu-v3: Move context descriptor code Jean-Philippe Brucker
2018-03-09 11:44 ` Jonathan Cameron
2018-03-14 13:08 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 18/37] iommu/arm-smmu-v3: Add support for Substream IDs Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 19/37] iommu/arm-smmu-v3: Add second level of context descriptor table Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 20/37] iommu/arm-smmu-v3: Share process page tables Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 21/37] iommu/arm-smmu-v3: Seize private ASID Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 22/37] iommu/arm-smmu-v3: Add support for VHE Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 23/37] iommu/arm-smmu-v3: Enable broadcast TLB maintenance Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 24/37] iommu/arm-smmu-v3: Add SVA feature checking Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 25/37] iommu/arm-smmu-v3: Implement mm operations Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 26/37] iommu/arm-smmu-v3: Add support for Hardware Translation Table Update Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 27/37] iommu/arm-smmu-v3: Register fault workqueue Jean-Philippe Brucker
2018-03-08 17:44 ` Jonathan Cameron
2018-03-14 13:08 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 28/37] iommu/arm-smmu-v3: Maintain a SID->device structure Jean-Philippe Brucker
2018-03-08 17:34 ` Jonathan Cameron
2018-03-14 13:09 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 29/37] iommu/arm-smmu-v3: Add stall support for platform devices Jean-Philippe Brucker
2018-02-13 1:46 ` Xu Zaibo
2018-02-13 12:58 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 30/37] ACPI/IORT: Check ATS capability in root complex nodes Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 31/37] iommu/arm-smmu-v3: Add support for PCI ATS Jean-Philippe Brucker
2018-03-08 16:17 ` Jonathan Cameron
2018-03-14 13:09 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 32/37] iommu/arm-smmu-v3: Hook up ATC invalidation to mm ops Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 33/37] iommu/arm-smmu-v3: Disable tagged pointers Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 34/37] PCI: Make "PRG Response PASID Required" handling common Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 35/37] iommu/arm-smmu-v3: Add support for PRI Jean-Philippe Brucker
2018-03-05 12:29 ` Dongdong Liu
2018-03-05 13:09 ` Jean-Philippe Brucker
2018-03-08 16:24 ` Jonathan Cameron
2018-03-14 13:10 ` Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 36/37] iommu/arm-smmu-v3: Add support for PCI PASID Jean-Philippe Brucker
2018-02-12 18:33 ` [PATCH 37/37] vfio: Add support for Shared Virtual Addressing Jean-Philippe Brucker
2018-02-16 19:33 ` Alex Williamson
2018-02-20 11:26 ` Jean-Philippe Brucker
2018-02-28 1:26 ` Sinan Kaya
2018-02-28 16:25 ` Jean-Philippe Brucker
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