[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: apparently missing locking in if_bnx.c
On Tue, Mar 06, 2012 at 09:43:42AM -0500, Thor Lancelot Simon wrote:
> On Tue, Mar 06, 2012 at 12:51:29PM +0100, Manuel Bouyer wrote:
> > No network driver is SMP-safe at this time, so they're all running
> > under KERNEL_LOCK. splnet() is enough to protect the queues.
> I think there are a few that are SMP-safe. One of Matt's for a powerpc board,
> and probably ixgbe.
> I know there are extensive patches floating around out there to make wm and
> some of the software "interfaces" SMP-safe. I'll let their authors speak up
> for themselves if they think it's appropriate...
I am working on wm(4) performance. My work so far has entailed making
wm(4) more MP-friendly, especially in the Tx path. The plan is to feed
all of my changes back.
I'm also working on a fast replacement to m_tag(9), and on various
improvements to vlan(4) and agr(4).
BTW, I've mined Matt Thomas' driver in
sys/arch/powerpc/booke/dev/pq3etsec.c for a lot of fine ideas about
structuring an ethernet driver. Hats off to Matt.
dyoung%pobox.com@localhost Urbana, IL (217) 721-9981
Main Index |
Thread Index |