Re: [PATCH 1/1] pci: reset all pci endpoints to stop on going dma

2014-10-19 Thread Li, ZhenHua
On 10/20/2014 09:46 AM, Li, ZhenHua wrote: On 10/20/2014 07:20 AM, Gavin Shan wrote: On Fri, Oct 17, 2014 at 02:44:43AM -0700, Eric W. Biederman wrote: "Li, Zhen-Hua" writes: This is an update of the patch https://lkml.org/lkml/2014/10/10/37 This patch is doing the reset works before t

Re: [PATCH 1/1] pci: reset all pci endpoints to stop on going dma

2014-10-19 Thread Li, ZhenHua
On 10/20/2014 07:20 AM, Gavin Shan wrote: On Fri, Oct 17, 2014 at 02:44:43AM -0700, Eric W. Biederman wrote: "Li, Zhen-Hua" writes: This is an update of the patch https://lkml.org/lkml/2014/10/10/37 This patch is doing the reset works before the kdump kernel boots. If I have said

Re: [PATCH 1/1] pci: reset all pci endpoints to stop on going dma

2014-10-19 Thread Li, ZhenHua
On 10/17/2014 05:44 PM, Eric W. Biederman wrote: "Li, Zhen-Hua" writes: This is an update of the patch https://lkml.org/lkml/2014/10/10/37 This patch is doing the reset works before the kdump kernel boots. If I have said it once I have said it a thousand times. Nacked-by: "Eric W.

Re: [PATCH 1/1] pci: reset all pci endpoints to stop on going dma

2014-10-19 Thread Gavin Shan
On Fri, Oct 17, 2014 at 02:44:43AM -0700, Eric W. Biederman wrote: >"Li, Zhen-Hua" writes: > >> This is an update of the patch >> https://lkml.org/lkml/2014/10/10/37 >> >> This patch is doing the reset works before the kdump kernel boots. > >If I have said it once I have said it a thousand ti

Re: [PATCH 1/1] pci: reset all pci endpoints to stop on going dma

2014-10-17 Thread Eric W. Biederman
"Li, Zhen-Hua" writes: > This is an update of the patch > https://lkml.org/lkml/2014/10/10/37 > > This patch is doing the reset works before the kdump kernel boots. If I have said it once I have said it a thousand times. Nacked-by: "Eric W. Biederman" Nacked-by: "Eric W. Biederman" Nack

[PATCH 1/1] pci: reset all pci endpoints to stop on going dma

2014-10-17 Thread Li, Zhen-Hua
This is an update of the patch https://lkml.org/lkml/2014/10/10/37 This patch is doing the reset works before the kdump kernel boots. On a Linux system with iommu supported and many PCI devices on it, when kernel crashed and the kdump kernel boots with intel_iommu=on, there may be some un