From: Rusty Russell <rusty@rustcorp.com.au>
To: Jamie Lokier <lk@tantalophile.demon.co.uk>
Cc: rth@twiddle.net, linux-kernel@vger.kernel.org
Subject: Re: per-cpu data...
Date: Thu, 25 Jul 2002 10:28:13 +1000 [thread overview]
Message-ID: <20020725004020.7D20644FB@lists.samba.org> (raw)
In-Reply-To: Your message of "Wed, 24 Jul 2002 13:31:29 +0100." <20020724133128.A7192@kushida.apsleyroad.org>
In message <20020724133128.A7192@kushida.apsleyroad.org> you write:
> Rusty Russell wrote:
> > (From my reading, ## on "int x" and "__per_cpu" is well-defined).
>
> DECLARE_PER_CPU (int x[3]);
>
> doesn't work, although you can always do
>
> typedef int three_ints_t[3];
> DECLARE_PER_CPU (three_ints_t x);
>
> I encountered the same thing while doing a user-space
> `MAKE_THREAD_SPECIFIC' macro. The solution I went for looks like this:
>
> #define DECLARE_PER_CPU(type, name) \
> __attribute__ ((__section (".percpu"))) __typeof__ (type) name##__per_cpu
Hmmm.... Yeah, might as well go the whole way.
Thanks!
Rusty.
--
Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
prev parent reply other threads:[~2002-07-25 0:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-12 6:01 per-cpu data Rusty Russell
2002-07-12 8:21 ` Richard Henderson
2002-07-24 12:31 ` Jamie Lokier
2002-07-25 0:28 ` Rusty Russell [this message]
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