Re: [PATCH] Replace timer_bh with tasklet

From: Robert Love (rml@tech9.net)
Date: Wed Jun 19 2002 - 20:53:25 EST


On Wed, 2002-06-19 at 18:34, David S. Miller wrote:

> Are you absolutely sure? What about serial drivers and the TTY layer?
> Have you audited all of that code too? What about SCSI_BH? What
> about IMMEDIATE_BH, TQUEUE_BH? Do they interact non-trivially with
> timers too?

SCSH_BH is gone in 2.5.23. Matthew Wilcox has a patch to remove
IMMEDIATE_BH.

TIMER_BH is the only BH left as far as I know.

So the needed synchronization, if any, is against the other softirqs.

        Robert Love

-
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/



This archive was generated by hypermail 2b29 : Sun Jun 23 2002 - 22:00:20 EST