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SubjectRe: [patch 0/2] Intel IOMMU Suspend/Resume Support

* Yu, Fenghua <fenghua.yu@intel.com> wrote:

> >Subject: Re: [patch 0/2] Intel IOMMU Suspend/Resume Support
> >
> >It looks like patch 1 calls dmar_reenable_qi but patch 2 defines it.
> >
> >In 2.6.29, there's no dmar_disable_qi that I can see. Can you respin
> >these against something a little less scary than -tip during a merge
> >window? (Especially since -stable will need this soon.)
> >
>
> dmar_disable_qi() is defined in tip tree already. This patch set
> is based on the tip tree. I do have another version of the patch
> set which is based on 2.6.29.
>
> Ingo,
>
> Do you think which tree this patch set should based on?

yes, dmar_disable_qi() was part of the x2apic fix patches (for
various crashes and hangs) from Suresh, merged by hpa, and they are
queued up for 2.6.30:

ce4e240: x86: add x2apic_wrmsr_fence() to x2apic flush tlb paths
fa4b57c: x86, dmar: use atomic allocations for QI and Intr-remapping init
68a8ca5: x86: fix broken irq migration logic while cleaning up multiple vectors
05c3dc2: x86, ioapic: Fix non atomic allocation with interrupts disabled
29b61be: x86, x2apic: cleanup ifdef CONFIG_INTR_REMAP in io_apic code
0280f7c: x86, x2apic: cleanup the IO-APIC level migration with interrupt-remapping
cf6567f: x86, x2apic: fix clear_local_APIC() in the presence of x2apic
7c6d9f9: x86, x2apic: use virtual wire A mode in disable_IO_APIC() with interrupt-remapping
2e93456: x86, intr-remapping: fix free_irte() to clear all the IRTE entries
1531a6a: x86, dmar: start with sane state while enabling dma and interrupt-remapping
eba67e5: x86, dmar: routines for disabling queued invalidation and intr remapping
9d783ba: x86, x2apic: enable fault handling for intr-remapping
0ac2491: x86, dmar: move page fault handling code to dmar.c
4c5502b: x86, x2apic: fix lock ordering during IRQ migration
0ca0f16: Merge branches 'x86/apic', 'x86/asm', 'x86/cleanups', 'x86/debug', 'x86/kconfig', 'x86/mm', 'x86/ptrace', 'x86/setup' and 'x86/urgent'; commit 'v2.6.29-rc8' into x86/core

So it would be nice to have this based on -tip, to reduce conflicts
- but it definitely needs David's review and acks. We can do a
separate branch for this if needed.

Ingo


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