linux-kernel - Re: [Patch Part2 V2 00/17] Enhance DMAR drivers to handle PCI/memory hotplug events

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Date:	Wed, 5 Mar 2014 08:48:04 +0100
From:	Joerg Roedel <joro@...tes.org>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Vinod Koul <vinod.koul@...el.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
	Ashok Raj <ashok.raj@...el.com>,
	Yijing Wang <wangyijing@...wei.com>,
	Tony Luck <tony.luck@...el.com>,
	iommu@...ts.linux-foundation.org, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org
Subject: Re: [Patch Part2 V2 00/17] Enhance DMAR drivers to handle PCI/memory
 hotplug events

On Wed, Feb 19, 2014 at 02:07:20PM +0800, Jiang Liu wrote:
> Jiang Liu (17):
>   iommu/vt-d: avoid double free of g_iommus on error recovery path
>   iommu/vt-d: avoid caching stale domain_device_info and fix memory
>     leak
>   iommu/vt-d: avoid caching stale domain_device_info when hot-removing
>     PCI device
>   iommu/vt-d: factor out dmar_alloc_dev_scope() for later reuse
>   iommu/vt-d: move private structures and variables into intel-iommu.c
>   iommu/vt-d: simplify function get_domain_for_dev()
>   iommu/vt-d: free resources if failed to create domain for PCIe
>     endpoint
>   iommu/vt-d: reduce duplicated code to handle virtual machine domains
>   iommu/vt-d: fix incorrect iommu_count for si_domain
>   iommu/vt-d: check for NULL pointer when freeing IOMMU data structure
>   iommu/vt-d: fix error in detect ATS capability
>   iommu/vt-d: introduce macro for_each_dev_scope() to walk device scope
>     entries
>   iommu/vt-d: introduce a rwsem to protect global data structures
>   iommu/vt-d: use RCU to protect global resources in interrupt context
>   iommu/vt-d, PCI: update DRHD/RMRR/ATSR device scope caches when PCI
>     hotplug happens
>   iommu/vt-d, PCI: unify the way to process DMAR device scope array
>   iommu/vt-d: update IOMMU state when memory hotplug happens
> 
>  drivers/iommu/dmar.c                |  412 +++++++++++++------
>  drivers/iommu/intel-iommu.c         |  750 ++++++++++++++++++-----------------
>  drivers/iommu/intel_irq_remapping.c |  108 +++--
>  drivers/iommu/iova.c                |   64 ++-
>  include/linux/dmar.h                |   74 ++--
>  include/linux/iova.h                |    2 +
>  6 files changed, 848 insertions(+), 562 deletions(-)

Applied, thanks Jiang.


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