lkml.org 
[lkml]   [2007]   [Feb]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC] Fast assurate clock readable from user space and NMI handler

* Daniel Walker <dwalker@mvista.com> wrote:

> The pit clocksource could be dropped pretty easy with my clocksource
> update patches, which I'm still working on but you could easily drop
> clock sources that aren't atomic like the pit .. Also the pit is
> generally undesirable, so it's not going to be missed.

that's totally unacceptable, and i'm amazed you are even suggesting it -
often the PIT ends up being the most reliable hardware clock in a PC.
Btw., what's wrong with the spinlock that is protecting PIT access? It
expresses the non-atomic property of the PIT just fine.

Ingo
-
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: 2007-02-27 07:39    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site