Re: [PATCH v2 0/9] x86: handle HW IOMMU initialization failuregracefully

From: Ingo Molnar
Date: Tue Nov 10 2009 - 06:19:35 EST



* FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> wrote:

> This patchset is against tip/master.
>
> The first version is:
>
> http://marc.info/?l=linux-kernel&m=125671300920411&w=2
>
> The changes since v1 are:
>
> - replaced Chris' bootmem patches with the 6/9 patch to implement
> free_bootmem_late in a simple way (thanks to Pekka).
>
> - fixed the bug to break 'iommu=soft' boot opiton (found by Joerg).
>
> - moved iommu_init_noop() to x86_init.c
>
> - added Muli's Acked-by to Calgary patch.
>
>
> ==
> arch/ia64/kernel/pci-swiotlb.c | 4 +-
> arch/powerpc/kernel/setup_32.c | 2 +-
> arch/powerpc/kernel/setup_64.c | 2 +-
> arch/x86/include/asm/amd_iommu.h | 2 -
> arch/x86/include/asm/calgary.h | 2 -
> arch/x86/include/asm/gart.h | 5 +---
> arch/x86/include/asm/iommu.h | 1 -
> arch/x86/include/asm/x86_init.h | 9 +++++++
> arch/x86/kernel/amd_iommu.c | 2 +-
> arch/x86/kernel/amd_iommu_init.c | 19 +++-----------
> arch/x86/kernel/aperture_64.c | 4 ++-
> arch/x86/kernel/pci-calgary_64.c | 19 ++++-----------
> arch/x86/kernel/pci-dma.c | 27 ++++++++++-----------
> arch/x86/kernel/pci-gart_64.c | 16 ++++-------
> arch/x86/kernel/pci-nommu.c | 9 -------
> arch/x86/kernel/pci-swiotlb.c | 10 +++----
> arch/x86/kernel/x86_init.c | 5 ++++
> drivers/pci/dmar.c | 7 ++++-
> drivers/pci/intel-iommu.c | 4 +-
> include/linux/bootmem.h | 1 +
> include/linux/dmar.h | 10 -------
> include/linux/swiotlb.h | 5 ++-
> lib/swiotlb.c | 49 +++++++++++++++++++++++++++++++------
> mm/bootmem.c | 24 ++++++++++++++++++
> 24 files changed, 131 insertions(+), 107 deletions(-)

Nice changes! I've applied them to tip:core/iommu (with the small build
fix i mentioned in the previous mail) and will push them out later
today.

Thanks,

Ingo
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