Date: Tue, 26 Jan 2010 02:04:52 +0000
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Tejun Heo <tj@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Frederic Weisbecker <fweisbec@gmail.com>,
       linux-kernel@vger.kernel.org, axboe@kernel.dk, rusty@rustcorp.com.au,
       akpm@linux-foundation.org, ebiederm@xmission.com, tytso@mit.edu,
       Trond.Myklebust@netapp.com, aelder@sgi.com, hch@infradead.org,
       davem@davemloft.net, netdev@vger.kernel.org, x86@kernel.org,
       mingo@redhat.com, dan.j.williams@intel.com, borislav.petkov@amd.com,
       ying.huang@intel.com, lenb@kernel.org, neilb@suse.de,
       cl@linux-foundation.org
Subject: Re: [PATCH 7/8] percpu: add __percpu sparse annotations to
	hw_breakpoint
Message-ID: <20100126020452.GB19799@ZenIV.linux.org.uk>
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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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