linux-kernel - Re: [PATCH] procfs: constify function pointer tables

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Message-ID: <Pine.LNX.4.64.0801231005090.12676@fbirervta.pbzchgretzou.qr>
Date:	Wed, 23 Jan 2008 10:06:15 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Bryan Wu <cooloney.lkml@...il.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Bryan Wu <bryan.wu@...log.com>,
	Mikael Starvik <starvik@...s.com>,
	David Howells <dhowells@...hat.com>,
	Hirokazu Takata <takata@...ux-m32r.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Roman Zippel <zippel@...ux-m68k.org>,
	Kyle McMartin <kyle@...isc-linux.org>,
	Matthew Wilcox <matthew@....cx>,
	Chris Zankel <chris@...kel.net>
Subject: Re: [PATCH] procfs: constify function pointer tables


On Jan 23 2008 12:18, Bryan Wu wrote:
>> [PATCH] procfs: constify function pointer tables
>> ---
>>  arch/alpha/kernel/setup.c     |    2 +-
>>  arch/blackfin/kernel/setup.c  |    2 +-
>>  [...]
>> diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
>> index bd5e68c..823f18e 100644
>> --- a/arch/alpha/kernel/setup.c
>> +++ b/arch/alpha/kernel/setup.c
>> @@ -1472,7 +1472,7 @@ c_stop(struct seq_file *f, void *v)
>>  {
>>  }
>>
>> -struct seq_operations cpuinfo_op = {
>> +const struct seq_operations cpuinfo_op = {
>>         .start  = c_start,
>>         .next   = c_next,
>>         .stop   = c_stop,
[...]
>Thanks, I understand the seq_xxx() API needs "const struct seq_operations *".
>So for Blackfin part, I agree with Mike.
>
>but there are still some other files need add "const":
>---
>/opt/git-tree/blackfin-2.6$ grep -r seq_operations arch/*
>arch/alpha/kernel/setup.c:struct seq_operations cpuinfo_op = {

The patch already touches that :-)
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