Re: [PATCH 1/2] resources: set type of new resource returned by __request_region()

On Mon, May 21, 2012 at 7:04 AM, Joerg Roedel j...@8bytes.org wrote: On Fri, May 18, 2012 at 05:18:32PM -0600, Bjorn Helgaas wrote: Previously we returned a new struct resource with only IORESOURCE_BUSY set (and possibly IORESOURCE_MUXED or IORESOURCE_EXCLUSIVE), but no MEM/IO/etc. bits set

[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

[PATCH 2/2] iommu: Request IOMMU CSR space

, so a BIOS change is also necessary. But the driver should claim the space it uses in any event. Reference: https://bugzilla.novell.com/show_bug.cgi?id=760440 Signed-off-by: Bjorn Helgaas bhelg...@google.com --- drivers/iommu/dmar.c| 41 - include

Re: [PATCH 07/23] pci, dmar: Update dmar units devices list during hotplug

On Tue, Mar 6, 2012 at 12:13 AM, Yinghai Lu ying...@kernel.org wrote: When do pci remove/rescan on system that have more iommus, got [  894.089745] Set context mapping for c4:00.0 [  894.110890] mpt2sas3: Allocated physical memory: size(4293 kB) [  894.112556] mpt2sas3: Current Controller

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