From: vinod.koul@intel.com (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/2] dmaengine: Add scatter-gathered memset support
Date: Wed, 5 Aug 2015 11:00:28 +0530 [thread overview]
Message-ID: <20150805053028.GP11789@localhost> (raw)
In-Reply-To: <1436177964-19380-1-git-send-email-maxime.ripard@free-electrons.com>
On Mon, Jul 06, 2015 at 12:19:22PM +0200, Maxime Ripard wrote:
> Hi Vinod,
>
> Here is a patch serie that adds a new dmaengine operation for
> scatter-gathered memset.
>
> Indeed, doing a memset over a discontiguous buffer is quite
> inefficient at the moment, since you have to create and submit each
> chunk separately, which might result in a huge list of transfers,
> while some controllers can handle that just fine.
Applied, thanks
--
~Vinod
WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vinod.koul@intel.com>
To: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>,
Alexandre Belloni <alexandre.belloni@free-electrons.com>,
Ludovic Desroches <ludovic.desroches@atmel.com>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
Boris Brezillon <boris.brezillon@free-electrons.com>,
dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/2] dmaengine: Add scatter-gathered memset support
Date: Wed, 5 Aug 2015 11:00:28 +0530 [thread overview]
Message-ID: <20150805053028.GP11789@localhost> (raw)
In-Reply-To: <1436177964-19380-1-git-send-email-maxime.ripard@free-electrons.com>
On Mon, Jul 06, 2015 at 12:19:22PM +0200, Maxime Ripard wrote:
> Hi Vinod,
>
> Here is a patch serie that adds a new dmaengine operation for
> scatter-gathered memset.
>
> Indeed, doing a memset over a discontiguous buffer is quite
> inefficient at the moment, since you have to create and submit each
> chunk separately, which might result in a huge list of transfers,
> while some controllers can handle that just fine.
Applied, thanks
--
~Vinod
next prev parent reply other threads:[~2015-08-05 5:30 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-06 10:19 [PATCH 0/2] dmaengine: Add scatter-gathered memset support Maxime Ripard
2015-07-06 10:19 ` Maxime Ripard
2015-07-06 10:19 ` [PATCH 1/2] dmaengine: Add scatter-gathered memset Maxime Ripard
2015-07-06 10:19 ` Maxime Ripard
2015-07-06 10:19 ` [PATCH 2/2] dmaengine: xdmac: Add scatter gathered memset support Maxime Ripard
2015-07-06 10:19 ` Maxime Ripard
2015-07-16 12:01 ` Vinod Koul
2015-07-16 12:01 ` Vinod Koul
2015-07-16 14:11 ` Maxime Ripard
2015-07-16 14:11 ` Maxime Ripard
2015-07-17 3:09 ` Vinod Koul
2015-07-17 3:09 ` Vinod Koul
2015-07-21 12:19 ` Maxime Ripard
2015-07-21 12:19 ` Maxime Ripard
2015-07-17 6:22 ` [PATCH 0/2] dmaengine: Add scatter-gathered " Ludovic Desroches
2015-07-17 6:22 ` Ludovic Desroches
2015-08-05 5:30 ` Vinod Koul [this message]
2015-08-05 5:30 ` Vinod Koul
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