[lkml]   [2001]   [Jan]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: QUESTION: Network hangs with BP6 and 2.4.x kernels, hardwarerelated?
On Fri, Jan 12, 2001 at 04:15:37PM -0800, Linus Torvalds wrote:
> On Fri, 12 Jan 2001, Frank de Lange wrote:
> >
> > Gentleman, this (the patch to 8390.c) seems to fix the problem.
> The problem with this patch is that anybody with a slow ISA ne2000 clone
> will basically have absolutely _horrible_ interrupt latency because we
> hold the irq lock over some quite expensive operations.
> The spin_lock_irqsave() is absolutely my preferred fix, and if I remember
> correctly this is in fact how some early 2.1.x code fixed the ne2000
> driver when the original irq scalability stuff happened (for some time
> during development we did not have a working "disable_irq()" AT ALL
> because the irq-disabling counters etc logic hadn't been done).

And that's the patch I meant... Manfred's
spin_lock_irqsave/spin_unlock_irqrestore based one, not my
(spin_lock_irq/spin_unlock_irq) based patch. That is also the one I'm running


WWWWW _______________________
## o o\ / Frank de Lange \
}# \| / \
##---# _/ <Hacker for Hire> \
#### \ +31-320-252965 /
\ /
[ "Omnis enim res, quae dando non deficit, dum habetur
et non datur, nondum habetur, quomodo habenda est." ]
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:22    [W:0.098 / U:4.584 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site