search for: iommu_free

Displaying 3 results from an estimated 3 matches for "iommu_free".

2010 Mar 11
0
[PATCH] VT-d: various initialization fixes
...only that much gets mapped). This covers the apparently not uncommon case of the address pointed to by a DMAR reading as all ones (Linux for example also checks for this). Further correct error handling of that function: Without storing the allocated "struct iommu" instance in the drhd, iommu_free() won''t do anything, and hence all successfully set up pieces would be leaked. Also keep iommu_free() from calling destroy_irq() when no irq was ever set up. Additionally, clear_fault_bits() has no need to read the capabilities field from I/O memory - it''s already cached in &quo...
2013 Jul 09
6
4.3 regression in booting on a particular platform
Jan, I was given a machine to diagnose a boot problem on xen 4.3, that used to work on 4.2, and have bisected to the following changeset: commit d0d4635d034f202bb401a6efa3ba61530f3854ab Author: Jan Beulich <jbeulich@suse.com> Date: Thu Nov 22 10:47:58 2012 +0100 implement vmap() ... and use it as basis for a proper ioremap() on x86. Signed-off-by: Jan Beulich
2016 Jun 02
52
[RFC v3 00/45] dma-mapping: Use unsigned long for dma_attrs
Hi, This is third approach (complete this time) for replacing struct dma_attrs with unsigned long. The main patch (2/45) doing the change is split into many subpatches for easier review (3-43). They should be squashed together when applying. *Important:* Patchset is *only* build tested on allyesconfigs: ARM, ARM64, i386, x86_64 and powerpc. Please provide reviewes and tests for other