Re: [PATCH] Replace timer_bh with tasklet

Robert Love
2002-06-20T01:53:36Z

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