From: Christoph Hellwig <hch@infradead.org>
To: Antoine Tenart <antoine.tenart@bootlin.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Brian Brooks <brian.brooks@linaro.org>,
David Miller <davem@davemloft.net>,
maxime.chevallier@bootlin.com, ymarkman@marvell.com,
stefanc@marvell.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, bjorn.topel@intel.com,
brian.brooks@arm.com
Subject: Re: [PATCH] net: mvpp2: avoid bouncing buffers
Date: Mon, 11 Mar 2019 08:46:55 -0700 [thread overview]
Message-ID: <20190311154655.GB28982@infradead.org> (raw)
In-Reply-To: <20190301142602.GC3554@kwain>
On Fri, Mar 01, 2019 at 03:26:02PM +0100, Antoine Tenart wrote:
> Hi Christoph,
>
> I saw you sent this patch as part of another series back in August, but
> it seems it was never applied and I can't find it even in -next. We made
> some tests and this patch is helping a lot the PPv2 engine driver in
> improving its performances.
>
> Do you plan on re-sending it, or reworking it? Are there current issues
> with it that prevent it from being merged upstream? Can we help in any
> way?
Hi Antoine,
it's been a while, but my vague memory is that this caused failures
in some ARM setups, and I was tought why for AMBA setting up the
default mask is a bad idea. I don't really remember more, though.
prev parent reply other threads:[~2019-03-11 15:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-20 2:47 [PATCH] net: mvpp2: avoid bouncing buffers Brian Brooks
2018-08-20 2:55 ` David Miller
2018-08-20 6:23 ` Christoph Hellwig
2018-08-20 7:02 ` Yan Markman
2018-08-27 13:55 ` Brian Brooks
2018-08-27 15:48 ` Christoph Hellwig
2018-09-02 2:10 ` Brian Brooks
2019-03-01 14:26 ` Antoine Tenart
2019-03-11 15:46 ` Christoph Hellwig [this message]
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