linux-kernel - Re: 2.6.26-rc1 regression: ISA DMA broken (bisected)

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Message-ID: <20080513143619.GA1714@elte.hu>
Date:	Tue, 13 May 2008 16:36:19 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Rene Herman <rene.herman@...access.nl>
Cc:	Takashi Iwai <tiwai@...e.de>, Glauber Costa <gcosta@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Pete Clements <clem@...m.clem-digital.net>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	ALSA devel <alsa-devel@...a-project.org>
Subject: Re: 2.6.26-rc1 regression: ISA DMA broken (bisected)


* Rene Herman <rene.herman@...access.nl> wrote:

>> great, thanks Rene for catching this! Added this line to the patch as 
>> well:
>>
>>  Tested-by: Rene Herman <rene.herman@...access.nl>
>
> Oh... it was rather significantly in the AM when I posted so I forgot 
> to mention in the haste to get this out of the way but it was Pete 
> Clements who reported the regression:
>
> http://www.nabble.com/Lost-Sound-from-2.6.24-to-2.6.25----CS4236-ISA-tc17062547.html
>
> He also tested it, so as long as we're name-mention-flattering 
> around...
>
> And this a good excuse to ask how you edit changelog after the fact. 
> Just reset/reapply and stuff or is there a "better" way? I fairly 
> frequently find myself wanting to do just that but it's a bit of a 
> mess when there's already commits on top.

generally we prefer append-only repositories for public trees.

But as long as you've not pushed it out to others yet, i.e. it's a 
purely local development tree, you can use two methods:

If it's just one commit in some devel branch that you want to put into a 
'fixes' branch one you can use git-cherry-pick --edit to shuffle it 
over.

For more complex scenarios you can use git-rebase --interactive to 
rebase your commits and to edit them. Replace the command "pick" with 
"edit" to change/fix the commit message. "squash" can be used to fold 
fixes.

	Ingo
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