linux-kernel - Re: [PATCH] DMA: remove unused support for MEMSET operations

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Message-ID: <20121108113148.36bebd50@pyramind.ukuu.org.uk>
Date:	Thu, 8 Nov 2012 11:31:48 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:	linux-kernel@...r.kernel.org, Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <djbw@...com>, Tomasz Figa <t.figa@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: Re: [PATCH] DMA: remove unused support for MEMSET operations

On Thu, 08 Nov 2012 12:22:05 +0100
Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com> wrote:

> On Thursday 08 November 2012 12:12:31 Alan Cox wrote:
> > On Thu, 08 Nov 2012 10:58:17 +0100
> > Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com> wrote:
> > 
> > > From: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
> > > Subject: [PATCH] DMA: remove unused support for MEMSET operations
> > > 
> > > There have never been any real users of MEMSET operations
> > 
> > In tree users.
> 
> Please show me them. 

Sorry ? There are potentially lots of out of tree users in both the ARM
and x86 communities.

> > And is it broken, if not why do you want to break it ?
> 
> Well, it is partially broken as async_memset.c doesn't even built
> currently in next (I've posted fix for that before noticing that
> the whole code can be removed).

Ok that does suggest it's not being used at all but it would be wise to
check more widely.

Alan
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