From: Christoph Hellwig <hch@infradead.org>
To: Matthew Wilcox <matthew@wil.cx>
Cc: James.Smart@Emulex.Com, hch@infradead.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCH 9/11] lpfc 8.1.1 : Add polled-mode support
Date: Wed, 30 Nov 2005 19:18:07 +0000 [thread overview]
Message-ID: <20051130191807.GD19164@infradead.org> (raw)
In-Reply-To: <20051129040244.GA28049@parisc-linux.org>
On Mon, Nov 28, 2005 at 09:02:44PM -0700, Matthew Wilcox wrote:
> On Mon, Nov 28, 2005 at 04:10:37PM -0500, James.Smart@Emulex.Com wrote:
> >
> > > This needs some documentation for where it is useful. Do you
> > > want this
> > > to avoid interrupts under high loads or for something else?
> >
> > Yes - we've been asked to support this mode so that a heavily loaded
> > system can claim back some cpu cycles spent on interrupt processing.
> > (SPC benchmarks being a prime example)
>
> sounds like we need to implement SAPI ;-)
>
> [ for those with no clue what i'm talking about, see
> Documentation/networking/NAPI_HOWTO.txt ]
Exactly what I was thinking when writing this previous mail.
next prev parent reply other threads:[~2005-11-30 19:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-28 21:10 [PATCH 9/11] lpfc 8.1.1 : Add polled-mode support James.Smart
2005-11-29 4:02 ` Matthew Wilcox
2005-11-30 19:18 ` Christoph Hellwig [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-11-28 16:42 James.Smart
2005-11-28 19:33 ` Christoph Hellwig
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