linux-kernel - Re: [PATCH 7/8] percpu: add __percpu sparse annotations to hw

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Message-ID: <20100126020452.GB19799@ZenIV.linux.org.uk>
Date:	Tue, 26 Jan 2010 02:04:52 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Tejun Heo <tj@...nel.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org, axboe@...nel.dk,
	rusty@...tcorp.com.au, akpm@...ux-foundation.org,
	ebiederm@...ssion.com, tytso@....edu, Trond.Myklebust@...app.com,
	aelder@....com, hch@...radead.org, davem@...emloft.net,
	netdev@...r.kernel.org, x86@...nel.org, mingo@...hat.com,
	dan.j.williams@...el.com, borislav.petkov@....com,
	ying.huang@...el.com, lenb@...nel.org, neilb@...e.de,
	cl@...ux-foundation.org
Subject: Re: [PATCH 7/8] percpu: add __percpu sparse annotations to
	hw_breakpoint

On Tue, Jan 26, 2010 at 11:06:10AM +0900, Tejun Heo wrote:
> Hello,
> 
> On 01/26/2010 10:02 AM, H. Peter Anvin wrote:
> > A cast (using __typeof__) combined with an address space override?
> 
> That still puts the address specification at the wrong level.  The
> problem is that the __typeof__ would be an array type which itself
> doesn't have address space set but its members are in address space 3.
> So, you need to get *inside* the array type def to change that.  :-(

Could you post the actual definitions in one piece?  Would be easier to
discuss what's going on...
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