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
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
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
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
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-boot,
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 stop
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
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
@vger.kernel.org;
io...@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:
>On Fri, Jan
@vger.kernel.org;
io...@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:
On Fri, Jan 10
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
>
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
>>
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
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
using
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
>
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
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
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
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