linux-kernel - Re: [PATCH 0/7] genksyms: Track changes to enum constant

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Message-ID: <4D7CC931.1090204@suse.cz>
Date:	Sun, 13 Mar 2011 14:40:01 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] genksyms: Track changes to enum constant

On 13.3.2011 08:19, Sam Ravnborg wrote:
> Hi Michal.
> 
> Patch serie looks good.
> You can add my ack to all of them if you do a second round.

Thanks.


> On Sun, Mar 13, 2011 at 07:30:18AM +0100, Michal Marek wrote:
>> This series makes genksyms remember the values of enum constants and use them
>> during symbol expansion. This makes sure that patches like
>>
>> | enum e {
>> |  	E1,
>> | 	E2,
>> |+	E3,
>> | 	E_MAX
>> | };
>> |
>> | struct s {
>> | 	int a[E_MAX];
>> | }
>> |
>> | int f(struct s *s) { ... }
>> | EXPORT_SYMBOL(f)
>>
>> change the checksum of the exported symbol. Previously, it would just use the
>> string "E_MAX" in the calculation and the change would go unnoticed. The main
>> part is in patches 6/7 and 7/7, the rest are cleanups and preparatory patches.
> 
> This nice explanation would be good to include in the changelog
> of 7/8 so "git log" give a better intro to the changes.

Good idea, I'll update the patch description.

Michal
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