From: David Miller <davem@davemloft.net>
To: mchan@broadcom.com
Cc: netdev@vger.kernel.org, mcarlson@broadcom.com, andy@greyhouse.net
Subject: Re: [TG3]: Fix performance regression on 5705.
Date: Mon, 15 Oct 2007 02:14:44 -0700 (PDT) [thread overview]
Message-ID: <20071015.021444.99184027.davem@davemloft.net> (raw)
In-Reply-To: <1192217947.6987.2.camel@dell>
From: "Michael Chan" <mchan@broadcom.com>
Date: Fri, 12 Oct 2007 12:39:07 -0700
> [TG3]: Fix performance regression on 5705.
>
> A performance regression was introduced by the following commit:
>
> commit ee6a99b539a50b4e9398938a0a6d37f8bf911550
> Author: Michael Chan <mchan@broadcom.com>
> Date: Wed Jul 18 21:49:10 2007 -0700
>
> [TG3]: Fix msi issue with kexec/kdump.
>
> In making that change, the PCI latency timer and cache line size
> registers were not restored after chip reset. On the 5705, the
> latency timer gets reset to 0 during chip reset and this causes
> very poor performance.
>
> Update version to 3.84.
>
> Signed-off-by: Michael Chan <mchan@broadcom.com>
Applied, thanks Michael.
This might be what was causing the 5714 performance problems I was
seeing on one of my systems, I'll go check that out when I get a
chance.
Thanks again!
prev parent reply other threads:[~2007-10-15 9:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-12 19:39 [TG3]: Fix performance regression on 5705 Michael Chan
2007-10-15 9:14 ` David Miller [this message]
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