linux-kernel - Re: [PATCH v4 10/11] dma: rename dma_*_writecombine() to dma_*

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Message-ID: <20150826042136.GA14584@gmail.com>
Date:	Wed, 26 Aug 2015 06:21:36 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Luis R. Rodriguez" <mcgrof@...e.com>,
	David Howells <dhowells@...hat.com>,
	"Luis R. Rodriguez" <mcgrof@...not-panic.com>, bp@...e.de,
	bhelgaas@...gle.com, tomi.valkeinen@...com, airlied@...ux.ie,
	linux-fbdev@...r.kernel.org, luto@...capital.net,
	vinod.koul@...el.com, dan.j.williams@...el.com, toshi.kani@...com,
	benh@...nel.crashing.org, mst@...hat.com, daniel.vetter@...ll.ch,
	konrad.wilk@...cle.com, x86@...nel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	xen-devel@...ts.xensource.com
Subject: Re: [PATCH v4 10/11] dma: rename dma_*_writecombine() to dma_*_wc()


* Andrew Morton <akpm@...ux-foundation.org> wrote:

> > There's a catch-22 issue here either way, for instance this rename patch has 
> > been being baked for probably 2 releases already but the difficulty has been 
> > trying to find the appropriate time to merge it without conflict.
> > 
> > If you do it in the beginning of the merge window, you have to ask yourself in 
> > what tree it will be done. Since subsystems are topic specific that means that 
> > subsystem will end up having a conflict at the end of the merge window.
> 
> Yes it's a special case.  I think the best way of handling such things is to get 
> them in to Linus either right at the end of the merge window or the day after he 
> releases -rc1.  This is when most people's trees are mostly empty.

Yes, that was the plan last time around as well - but the end of the merge window 
is when we have the least maintainer bandwidth as well ...

Anyway, I applied most of the patches (sans the rename), so the rename patch 
should be a lot simpler to execute at the right moment this time around.

Thanks,

	Ingo
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