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Date: Thu, 29 Sep 2016 18:11:44 -0700
From: Laura Abbott <labbott@...hat.com>
To: Mark Rutland <mark.rutland@....com>
Cc: AKASHI Takahiro <takahiro.akashi@...aro.org>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>,
David Brown <david.brown@...aro.org>, Will Deacon <will.deacon@....com>,
Catalin Marinas <catalin.marinas@....com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Kees Cook <keescook@...omium.org>, kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH 1/3] arm64: dump: Make ptdump debugfs a separate option
On 09/29/2016 05:48 PM, Mark Rutland wrote:
> On Thu, Sep 29, 2016 at 05:31:09PM -0700, Laura Abbott wrote:
>> On 09/29/2016 05:13 PM, Mark Rutland wrote:
>>> On Thu, Sep 29, 2016 at 02:32:55PM -0700, Laura Abbott wrote:
>>>> +int ptdump_register(struct ptdump_info *info, const char *name)
>>>> +{
>>>> + ptdump_initialize(info);
>>>> + return ptdump_debugfs_create(info, name);
>>>> }
>>>
>>> It feels like a layering violation to have the core ptdump code call the
>>> debugfs ptdump code. Is there some reason this has to live here?
>>
>> Which 'this' are you referring to here? Are you suggesting moving
>> the ptdump_register elsewhere or moving the debugfs create elsewhere?
>
> Sorry, I should have worded that better.
>
> I meant moving ptdump_register into ptdump_debugfs.c, perhaps renamed to make it
> clear it's debugfs-specific.
>
> We could instead update existing users to call ptdump_debugfs_create()
> directly, and have that call ptdump_initialize(), which could itself become a
> staic inline in a header.
Ah okay, I see what you are suggesting. ptdump_initialize should still
happen regardless of debugfs status though so I guess
ptdump_debugfs_create would just get turned into just ptdump_initialize
which seems a little unclear. I'll come up with some other shed
colors^W^Wfunction names.
Thanks,
Laura
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