linux-kernel - [PATCH 0/2] iommu: request CSR space

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Date:	Fri, 18 May 2012 17:18:26 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
	Ingo Molnar <mingo@...e.hu>,
	Suresh Siddha <suresh.b.siddha@...el.com>
Subject: [PATCH 0/2] iommu: request CSR space

This adds a request_mem_region() for the DRHD registers.  The AMD
code has similar code in iommu_map_mmio_space().

This helps avoid address conflicts when assigning PCI BARs.

---

Bjorn Helgaas (2):
      resources: set type of new resource returned by __request_region()
      iommu: Request IOMMU CSR space


 drivers/iommu/dmar.c        |   41 ++++++++++++++++++++++++++++++++---------
 include/linux/intel-iommu.h |    2 ++
 kernel/resource.c           |    3 ++-
 3 files changed, 36 insertions(+), 10 deletions(-)
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