From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH 7/8] percpu: add __percpu sparse annotations to	hw_breakpoint
Date: Tue, 26 Jan 2010 11:10:56 +0900
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Cc: 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,
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	borislav.petkov@amd.com, ying.huang@intel.com, lenb@kernel.org,
	neilb@suse.de, cl@linux-foundation.org
To: "H. Peter Anvin" <hpa@zytor.com>
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Hello,

On 01/26/2010 10:06 AM, H. Peter Anvin wrote:
>> I guess __percpu is an address_space attribute? Is there no
>> way to force the address space change directly from the
>> per_cpu() macro?
>>
> 
> Hmm... thinking more about it, we should be able to just move the & and
> [0] into the per_cpu() macro, addressing the situation, or does that
> cause problems elsewhere?

Hmmm.... the argument gotta be an lvalue.  Let me try just in case.
Nope, it doesn't work.

Thanks.

-- 
tejun