lkml.org 
[lkml]   [2011]   [Jun]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Seeing DMAR errors after multiple load/unload with SR-IOV
From
Date
On Tue, 2011-06-07 at 06:38 -0700, Chris Wright wrote:
> I think we still leak the list entry though. Bottom line is that we
> need to handle hotplug ADD_DEVICE and DEL_DEVICE notifications. We
> happen to pick up ADD_DEVICE by accident, but it's all pretty sloppy.

Yeah, keeping a list of possible stale 'pci_dev' pointers is stupid. We
should figure out the matching DMAR unit directly from the ACPI table at
ADD_DEVICE time, and store it in pdev->archdata.iommu.

I saw patches which were going in that direction...

--
dwmw2



\
 
 \ /
  Last update: 2011-06-07 15:49    [W:0.049 / U:0.220 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site