Re: [PATCH] x86-64: disable the GART before allocate aperture | KernelTrap

Re: [PATCH] x86-64: disable the GART before allocate aperture

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From: Alan Cox

Subject: Re: [PATCH] x86-64: disable the GART before allocate aperture

Date: Saturday, June 23, 2007 - 2:08 am

> But I doubt this was YH's problem - the panic kernel memory
quoted text> is always reserved and there shouldn't be any ongoing DMAs in this
> area anyways. And what happens outside the kdump kernel shouldn't matter.

In the kdump case it looks like there is still DMA going on through the
GART on some systems when kdump zaps it.
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Messages in current thread:

[PATCH] x86-64: disable the GART before allocate aperture, Yinghai Lu, (Fri Jun 22, 12:19 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Muli Ben-Yehuda, (Fri Jun 22, 12:31 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Yinghai Lu, (Fri Jun 22, 12:38 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Yinghai Lu, (Fri Jun 22, 12:49 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Alan Cox, (Fri Jun 22, 1:33 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Andi Kleen, (Fri Jun 22, 2:28 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Eric W. Biederman, (Fri Jun 22, 2:32 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Yinghai Lu, (Fri Jun 22, 2:38 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Eric W. Biederman, (Fri Jun 22, 2:41 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Muli Ben-Yehuda, (Fri Jun 22, 2:45 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Yinghai Lu, (Fri Jun 22, 2:59 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Alan Cox, (Fri Jun 22, 3:19 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Eric W. Biederman, (Fri Jun 22, 3:32 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Yinghai Lu, (Fri Jun 22, 3:43 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Alan Cox, (Fri Jun 22, 3:54 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Yinghai Lu, (Fri Jun 22, 3:57 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Alan Cox, (Fri Jun 22, 4:04 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Eric W. Biederman, (Fri Jun 22, 4:14 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Andi Kleen, (Fri Jun 22, 5:14 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Yinghai Lu, (Fri Jun 22, 5:27 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Muli Ben-Yehuda, (Fri Jun 22, 5:35 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Andi Kleen, (Fri Jun 22, 5:38 pm)

[PATCH] x86-64: disable the GART in shutdown, Yinghai Lu, (Fri Jun 22, 7:34 pm)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Alan Cox, (Sat Jun 23, 2:08 am)

Re: [PATCH] x86-64: disable the GART in shutdown, Muli Ben-Yehuda, (Sat Jun 23, 3:39 am)

Re: [PATCH] x86-64: disable the GART in shutdown, Andi Kleen, (Sat Jun 23, 3:59 am)

Re: [PATCH] x86-64: disable the GART in shutdown, Andi Kleen, (Sat Jun 23, 4:08 am)

Re: [PATCH] x86-64: disable the GART in shutdown, Muli Ben-Yehuda, (Sat Jun 23, 4:09 am)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Vivek Goyal, (Sat Jun 23, 4:12 am)

Re: [PATCH] x86-64: disable the GART before allocate aperture, Andi Kleen, (Sat Jun 23, 6:14 am)

Re: [PATCH] x86-64: disable the GART in shutdown, Andrew Morton, (Sat Jun 23, 9:52 am)

Re: [PATCH] x86-64: disable the GART in shutdown, Yinghai Lu, (Sun Jun 24, 5:18 pm)

Re: [PATCH] x86-64: disable the GART in shutdown, Yinghai Lu, (Sun Jun 24, 5:22 pm)

Re: [PATCH] x86-64: disable the GART in shutdown, Muli Ben-Yehuda, (Sun Jun 24, 7:10 pm)

[PATCH] x86-64: disable the GART in shutdown v2, Yinghai Lu, (Mon Jun 25, 12:34 pm)

Re: [PATCH] x86-64: disable the GART in shutdown v2, Muli Ben-Yehuda, (Mon Jun 25, 12:41 pm)

Re: [PATCH] x86-64: disable the GART in shutdown v2, Yinghai Lu, (Mon Jun 25, 12:52 pm)

Re: [PATCH] x86-64: disable the GART in shutdown v2, Muli Ben-Yehuda, (Mon Jun 25, 12:56 pm)

[PATCH 1/2] x86-64: disable the GART in shutdown, Yinghai Lu, (Mon Jun 25, 2:48 pm)

[PATCH 2/2] x86_84: move iommu declaration from proto to i ..., Yinghai Lu, (Mon Jun 25, 2:49 pm)

Re: [PATCH 2/2] x86_84: move iommu declaration from proto ..., Muli Ben-Yehuda, (Tue Jun 26, 4:43 am)

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