From mboxrd@z Thu Jan 1 00:00:00 1970 From: vinod.koul@intel.com (Vinod Koul) Date: Wed, 5 Aug 2015 11:00:28 +0530 Subject: [PATCH 0/2] dmaengine: Add scatter-gathered memset support In-Reply-To: <1436177964-19380-1-git-send-email-maxime.ripard@free-electrons.com> References: <1436177964-19380-1-git-send-email-maxime.ripard@free-electrons.com> Message-ID: <20150805053028.GP11789@localhost> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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