linux-kernel - Re: [RFC PATCH v2 00/12] Reduce ifdef mess in ptrace

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Date:   Mon, 24 Feb 2020 06:58:41 +0100
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Michael Neuling <mikey@...ling.org>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 00/12] Reduce ifdef mess in ptrace



Le 24/02/2020 à 03:15, Michael Neuling a écrit :
> Christophe,
> 
>> Le 28/06/2019 à 17:47, Christophe Leroy a écrit :
>>> The purpose of this series is to reduce the amount of #ifdefs
>>> in ptrace.c
>>>
>>
>> Any feedback on this series which aims at fixing the issue you opened at
>> https://github.com/linuxppc/issues/issues/128 ?
> 
> Yeah, sorry my bad. You did all the hard work and I ignored it.
> 
> I like the approach and is a long the lines I was thinking. Putting it in a
> ptrace subdir, splitting out adv_debug_regs, TM, SPE, Alitivec, VSX.
> ppc_gethwdinfo() looks a lot nicer now too (that was some of the worst of it).
> 
> I've not gone through it with a fine tooth comb though. There is (rightly) a lot
> of code moved around which could have introduced some issues.
> 
> It applies on v5.2 but are you planning on updating it to a newer base?
> 

As you noticed there is a lot of code moved around, and rebasing 
produces a lot of conflicts. So I didn't want to spend hours to rebase 
and rebase without being sure it was the right approach.

Now that I got a positive feedback I'll consider rebasing it, hopping 
that Michael will pick it up.

Christophe