lkml.org 
[lkml]   [2003]   [May]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH][ATM] assorted he driver cleanup
Em Thu, May 29, 2003 at 01:12:13PM -0400, chas williams escreveu:
> In message <20030529170621.GX24054@conectiva.com.br>,Arnaldo Carvalho de Melo w
> rites:
> >no, no, I was talking just about the need for HE_SPIN_LOCK wrapper, not the
> >locking, i.e. couldn't it be just:
> >
> >spin_lock_irqsave(&dev->global_lock, flags)
> >
> >used so that it is clear that it is a irqsave variation, etc?
>
> i suppose i could change it all back. at one point, he_spin_lock()
> was 'optmized' away on non smp machines (since a single cpu doesnt
> tickle the particular h/w problem).
>
> i didnt want a ton of #ifdef CONFIG_SMP in the driver.

Sure thing, but hey, spin_lock_irqsave and friends take care of how to behave
when in up or smp, i.e. its how all the other drivers use spinlocks 8)

- Arnaldo
-
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 13:35    [W:0.113 / U:0.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site