[lkml]   [2010]   [Dec]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] - Mapping ACPI tables as CACHED
On 12/14/2010 08:35 PM, Len Brown wrote:
> I'm not sure the concept of checking against E820
> is better than simply calling ioremap_cache() always.

I don't think it is. On most systems, non-RAM will be forced uncachable
by the MTRRs anyway, and if we find systems which have problems, we
should be doing this forcing in the PAT subsystem, not in ACPI.


H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.

 \ /
  Last update: 2010-12-15 07:19    [W:0.050 / U:102.256 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site