lkml.org 
[lkml]   [2007]   [Jun]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] x86-64: disable the GART before allocate aperture
Eric W. Biederman wrote:
> The original design came from thinking about systems where using the iommu
> was mandatory. I think we almost always reserve memory below 1G for the kexec
> on panic kernel so it really shouldn't be an issue in that case. Except
> we need to pass an option to force not using the iommu. I don't think
> noiommu or swiotlb is going to make any real difference.
>
> So I'm totally in favor of turning off features if we don't need them and we
> don't take a tremendous performance hit. (People get grumpy when writing
> all of memory to disk takes completely unreasonable amounts of time).


So you prefer to
add diable_gart in shutdown or suspend func and let kexec to use swiotlb comand line?

YH
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-06-23 00:43    [W:0.142 / U:0.328 seconds]
©2003-2014 Jasper Spaans. Advertise on this site