lkml.org 
[lkml]   [2002]   [Oct]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH]IPC locks breaking down with RCU
Hugh Dickins wrote:
>
> In the original design, Mingming nicely split up the locks (greatly
> reducing contention), but had them in an array (causing lots of bounce,
> I believe):
I am not an expert of cacheline bouncing, so please point me if I miss
something. I wonder if we could reduce the bounce even with current
design (the spinlock is in the data it protects). We have to go through
that array anyway to get access to the data (and the spinlock).

> I'm resisting a return to that design.
OK, I will back to original design.
-
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 13:30    [W:1.910 / U:0.000 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site