linux-kernel - Re: [PATCH V4] Fix pointer cast for 32 bits arch

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Date:	Fri, 17 Apr 2015 15:10:19 +0100
From:	Alan Cox <alan@...ux.intel.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	driverdevel <devel@...verdev.osuosl.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jun Tian <jun.j.tian@...el.com>,
	Peter Senna Tschudin <peter.senna@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Garret Kelly <garret.kelly@...il.com>,
	Octavian Purdila <octavian.purdila@...el.com>,
	Andreas <schwab@...ux-m68k.org>, Nick Kralevich <nnk@...gle.com>
Subject: Re: [PATCH V4] Fix pointer cast for 32 bits arch

On Fri, 2015-04-17 at 16:59 +0300, Dan Carpenter wrote:
> On Fri, Apr 17, 2015 at 02:31:49PM +0100, Alan Cox wrote:
> > On Fri, 2015-04-17 at 11:20 +0300, Dan Carpenter wrote:
> > > Actually, my patch seems like a good idea to me but it's one of those
> > > things that someone should probably test.  Unless someone can test
> > > goldfish on a 32 bit system with 64 bit dma addresses 
> > 
> > No such "system" exists.
> 
> I don't understand.  We definitely can have 64bit dma addresses on
> x86_32.


Yes but no actual Goldfish environment is built that way


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