linux-kernel - Re: [RFC PATCH] kernel/kallsyms.c: only show legal kernel symbol

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Date:	Fri, 25 Oct 2013 09:29:30 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Chen Gang <gang.chen@...anux.com>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [RFC PATCH] kernel/kallsyms.c: only show legal kernel symbol

On Fri, Oct 25, 2013 at 7:08 AM, Rusty Russell <rusty@...tcorp.com.au> wrote:
>
> Sorry, I was imprecise.  I was referring to the kernel's kallsyms
> tables produced by scripts/kallsyms.c.  This patch left them in the
> the kallsyms tables and filtered them out from /proc/kallsyms.

Yes, but it isn't easy to do it by script/kallsyms.c , and IMO, it should
be correct to hide them for user space but keep them in kallsyms table.

>
> It's weird that cpu_v7_suspend_size appeared above, since kallsyms
> should filter out 'A' symbols already.

Sorry, the 'A' symbol is a mistake, but the others do exist in /proc/kallsyms.


Thanks,
-- 
Ming Lei
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