From: Rusty Russell <rusty@rustcorp.com.au>
To: Richard Henderson <rth@twiddle.net>
Cc: linux-kernel@vger.kernel.org, davem@vger.kernel.org
Subject: Re: [module-init-tools] fix weak symbol handling
Date: Fri, 17 Jan 2003 12:57:03 +1100 [thread overview]
Message-ID: <20030117015756.409DF2C437@lists.samba.org> (raw)
In-Reply-To: Your message of "Tue, 14 Jan 2003 17:14:57 -0800." <20030114171457.E5751@twiddle.net>
In message <20030114171457.E5751@twiddle.net> you write:
> On Tue, Jan 14, 2003 at 02:16:57PM +1100, Rusty Russell wrote:
> > So the semantics you want are that if A declares a weak symbol S, and
> > B exports a (presumably non-weak) symbol S, then A depends on B?
>
> No. The semantics I need is if A references a weak symbol S
> and *no one* implements it, then S resolves to NULL.
Sorry, I was unclear. I want to know the dependency semantics:
If B exports S, should depmod believe A needs B, or not? Your patch
leaves that semantic (all it does is suppress the errors).
I'm not sure what semantics are "right", since I don't know what
you're trying to do, or what is wrong with get_symbol().
Hope that clarifies?
Rusty.
--
Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
next prev parent reply other threads:[~2003-01-17 1:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-13 19:04 [module-init-tools] fix weak symbol handling Richard Henderson
2003-01-14 3:16 ` Rusty Russell
2003-01-15 1:14 ` Richard Henderson
2003-01-17 1:57 ` Rusty Russell [this message]
2003-01-17 2:09 ` Richard Henderson
2003-01-17 7:34 ` David Woodhouse
2003-01-17 8:56 ` Rusty Russell
2003-01-17 9:32 ` David Woodhouse
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