1 Hi Don,
2 It seems that we agree in the area of keeping the iommu active and
using it to
3 isolate the legacy DMA. We also agree that the device's IO driver
should be
4 the software that deals with the device (e.g.: resets it, etc.)
5
6 It also seems that th
On 04/08/2014 12:14 PM, David Woodhouse wrote:
On Mon, 2014-04-07 at 16:43 -0400, Don Dutile wrote:
Additionally, a tidbit of information like "some servers force NMI's
on DMAR faults,
and cause a system reset, thereby, preventing a kdump to occur"
should have been included as one reason to sto
On Mon, 2014-04-07 at 16:43 -0400, Don Dutile wrote:
>
> Additionally, a tidbit of information like "some servers force NMI's
> on DMAR faults,
> and cause a system reset, thereby, preventing a kdump to occur"
> should have been included as one reason to stop DMAR faults from
> occurring on kexec-
On 01/10/2014 05:07 PM, Bill Sumner wrote:
v2->v3:
1. Commented-out "#define DEBUG 1" to eliminate debug messages
2. Updated the comments about changes in each version in all patches in the set.
3. Fixed: one-line added to Copy-Translations" patch to initialize the iovad
struct as reco
linux-ker...@vger.kernel.org;
iommu@lists.linux-foundation.org; ddut...@redhat.com; Hatch, Douglas B (HPS
Linux PM); ishii.hiron...@jp.fujitsu.com; bhelg...@google.com; Li, Zhen-Hua
Subject: Re: [PATCHv3 0/6] Crashdump Accepting Active IOMMU
On Mon, Mar 10, 2014 at 04:43PM, Vivek Goyal wrote:
>O
On Mon, Mar 10, 2014 at 04:43PM, Vivek Goyal wrote:
>On Fri, Jan 10, 2014 at 03:07:26PM -0700, Bill Sumner wrote:
>
>[..]
>> This patch set modifies the behavior of the iommu in the (new) crashdump
>> kernel:
>> 1. to accept the iommu hardware in an active state, 2. to leave the
>> current transla
On Fri, Jan 10, 2014 at 03:07:26PM -0700, Bill Sumner wrote:
[..]
> This patch set modifies the behavior of the iommu in the (new) crashdump
> kernel:
> 1. to accept the iommu hardware in an active state,
> 2. to leave the current translations in-place so that legacy DMA will continue
>usin
Hi Joerg,
On Tue 3/4/2014 9:06 AM, Joerg Roedel wrote:
>
>On Fri, Jan 10, 2014 at 03:07:26PM -0700, Bill Sumner wrote:
>> Bill Sumner (6):
>> Crashdump-Accepting-Active-IOMMU-Flags-and-Prototype
>> Crashdump-Accepting-Active-IOMMU-Utility-functions
>> Crashdump-Accepting-Active-IOMMU-Domain-
Hi Bill,
On Fri, Jan 10, 2014 at 03:07:26PM -0700, Bill Sumner wrote:
> Bill Sumner (6):
> Crashdump-Accepting-Active-IOMMU-Flags-and-Prototype
> Crashdump-Accepting-Active-IOMMU-Utility-functions
> Crashdump-Accepting-Active-IOMMU-Domain-Interfaces
> Crashdump-Accepting-Active-IOMMU-Copy-
Tested this patchset on my local HP Z420 workstation, and it works very
well.
Hi Bill,
Thanks for your effort.
There are several concerns from me.
Firstly, I think the patch log need be rearanged. Patchset cover letter
can contain information to express why, how briefly. If you think this
is ve
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