lkml.org 
[lkml]   [2006]   [Mar]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] Document Linux's memory barriers [try #2]
Date
Linus Torvalds <torvalds@osdl.org> wrote:

> Actually, since the different NUMA things may have different paths to the
> PCI thing, I don't think even the mmiowb() will really help. It has
> nothing to serialize _with_.

On NUMA PowerPC, should mmiowb() be a SYNC or an EIEIO instruction then? Those
do inter-component synchronisation.

David
-
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: 2006-03-08 20:34    [W:0.087 / U:0.168 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site