lkml.org 
[lkml]   [2011]   [Mar]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/4] Intel iommu: Speed up processing of the identity_mapping function


Chris Wright wrote:
> * Mike Travis (travis@sgi.com) wrote:
>> @@ -2138,6 +2134,7 @@ static int domain_add_dev_info(struct dm
>> list_add(&info->global, &device_domain_list);
>> pdev->dev.archdata.iommu = info;
>
> The si_domain is cached right here...can you not use this instead of
> adding an iommu impl. specific bit to pci_dev?
>
>> spin_unlock_irqrestore(&device_domain_lock, flags);
>> + pdev->is_identity_mapped = (domain == si_domain);

Yes, it looks like I came at the solution backwards... I added
the bit then figured out how to set it. I'll update that patch.


\
 
 \ /
  Last update: 2011-03-30 21:31    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean