lkml.org 
[lkml]   [2002]   [Aug]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 2/21] reduced locking in buffer.c

On Sun, 11 Aug 2002, Andrew Morton wrote:
>
> Resend. Replace the buffer lru spinlock protection with
> local_irq_disable and a cross-CPU call to invalidate them.

This almost certainly breaks on sparc, where CPU cross-calls are
non-maskable, so local_irq_disable doesn't do anything for them.

Talk to Davem about this - there may be some workaround.

Linus

-
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 13:22    [W:0.096 / U:0.376 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site