linux-kernel - Re: [PATCH] moduleparam: fix alpha, ia64 and ppc64 compile failures

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Date:	Sat, 09 Feb 2008 16:50:49 +0000
From:	Daniel Drake <dsd@...too.org>
To:	Ivan Kokshaysky <ink@...assic.park.msu.ru>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Richard Henderson <rth@...ddle.net>, tony.luck@...el.com,
	anton@...ba.org, paulus@...ba.org, Adrian Bunk <bunk@...nel.org>,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	rusty@...tcorp.com.au, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] moduleparam: fix alpha, ia64 and ppc64 compile failures

Ivan Kokshaysky wrote:
> On alpha, ia64 and ppc64 only relocations to local data can go into
> read-only sections. The vast majority of module parameters use the global
> generic param_set_*/param_get_* functions, so the 'const' attribute for
> struct kernel_param is not only useless, but it also causes compile
> failures due to 'section type conflict' in those rare cases where
> param_set/get are local functions.
> 
> This fixes http://bugzilla.kernel.org/show_bug.cgi?id=8964

In case you weren't aware already, people seem to think this is actually 
a GCC bug (with a patch available):

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31490

Daniel

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