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Message-Id: <91C97773-5873-4336-9926-A013BB96B75C@physik.fu-berlin.de>
Date: Thu, 5 Mar 2020 21:56:15 +0100
From: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To: Tycho Andersen <tycho@...ho.ws>
Cc: Arvind Sankar <nivedita@...m.mit.edu>, Joe Perches <joe@...ches.com>,
Kees Cook <keescook@...omium.org>, "Tobin C . Harding" <me@...in.cc>,
kernel-hardening@...ts.openwall.com,
Yoshinori Sato <ysato@...rs.sourceforge.jp>, Rich Felker <dalias@...c.org>,
linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sh: Stop printing the virtual memory layout
> On Mar 5, 2020, at 9:52 PM, Tycho Andersen <tycho@...ho.ws> wrote:
>
> On Thu, Mar 05, 2020 at 10:56:29AM -0500, Arvind Sankar wrote:
>>> On Thu, Mar 05, 2020 at 04:49:22PM +0100, John Paul Adrian Glaubitz wrote:
>>> On 3/5/20 4:46 PM, Arvind Sankar wrote:
>>>> Not really too late. I can do s/pr_info/pr_devel and resubmit.
>>>>
>>>> parisc for eg actually hides this in #if 0 rather than deleting the
>>>> code.
>>>>
>>>> Kees, you fine with that?
>>>
>>> But wasn't it removed for all the other architectures already? Or are these
>>> changes not in Linus' tree yet?
>>>
>>> Adrian
>>
>> The ones mentioned in the commit message, yes, those are long gone. But
>> I don't see any reason why the remaining ones (there are 6 left that I
>> submitted patches just now for) couldn't switch to pr_devel instead.
>
> If you do happen to re-send with pr_debug() instead, feel free to add
> my ack to that series as well.
Since it already got removed for most other architectures, I don’t think it makes much sense to keep it for consistency.
I just didn’t understand why it was made configurable for debugging purposes in the first place.
Also, many distributions disable access to the kernel buffer for unprivileged users anyway.
Adrian
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