lkml.org 
[lkml]   [2004]   [Sep]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: question on i386 very early memory detection cleanup patch
If you refer to the 4G/4G split patch - this isn't part of mainline, and
if it needs it would seem it should do this adjustment, not an unrelated
patch. Jan

>>> "H. Peter Anvin" <hpa@zytor.com> 01.09.04 18:20:01 >>>
Jan Beulich wrote:
> Is there a particular reason why this patch changes the alignment of
> cpu_gdt_table to be page rather than cache line aligned? This is
> particulary strange to me because the alignment is guaranteed only
for
> the boot processor, but not for any of the APs; for the latter ones
> there isn't even a string guarantee that the table would be cache
line
> aligned (which it really should be); the weak guarantee only is
through
> an appearant assumption of GDT_ENTRIES being a sufficiently large
power
> of two.
>
> Thanks, Jan

The 4+4 GB patch apparently needs it.

-
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: 2005-03-22 14:05    [W:0.155 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site