linux-kernel - Re: [PATCH] powerpc/mm: dump block address translation on book3s/32

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Message-ID: <87r2ewhcvb.fsf@concordia.ellerman.id.au>
Date:   Wed, 05 Dec 2018 14:27:20 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Christophe LEROY <christophe.leroy@....fr>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>, npiggin@...il.com,
        rashmicy@...il.com
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc/mm: dump block address translation on book3s/32

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

> Le 16/11/2018 à 11:20, Michael Ellerman a écrit :
>> Christophe LEROY <christophe.leroy@....fr> writes:
>> 
>>> Le 15/11/2018 à 12:46, Michael Ellerman a écrit :
>>>> Christophe Leroy <christophe.leroy@....fr> writes:
>>>>
>>>>> This patch adds a debugfs file to dump block address translation:
>>>>>
>>>>> ~# cat /sys/kernel/debug/block_address_translation
>>>>
>>>> My instinct is it should be in /sys/kernel/debug/powerpc. But I guess
>>>> the other page table dump files are not.
>>>
>>> Lol.
>>>
>>> Looks like we have the same instinct ...
>>>
>>> But you rejected my patch https://patchwork.ozlabs.org/patch/750426/ :)
>> 
>> Haha. My argument was that the kernel page table dump is not powerpc
>> specific, but this file *is* powerpc specific. Though I guess it's in
>> the same are as the page table / hash table dump, so it may as well live
>> next to them.
>
> I see you took the first version in next-test. It doesn't handle the 
> case of 64bits phys addresses. v3 does.
>
> I just sent v4 which does to v3 the changes you did (__init and powerpc/ 
> subdir)

Thanks.

cheers