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

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Date:   Mon, 24 Feb 2020 21:54:00 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@....fr>,
        Michael Neuling <mikey@...ling.org>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 00/12] Reduce ifdef mess in ptrace

Christophe Leroy <christophe.leroy@....fr> writes:
> 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.

I would love to.

cheers