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From: Kees Cook <keescook@chromium.org>
To: Borislav Petkov <bp@alien8.de>
Cc: Jiri Kosina <jkosina@suse.cz>,
	"H. Peter Anvin" <hpa@linux.intel.com>,
	LKML <linux-kernel@vger.kernel.org>,
	live-patching@vger.kernel.org, Linux-MM <linux-mm@kvack.org>,
	"x86@kernel.org" <x86@kernel.org>
Subject: Re: [PATCH v2] x86, kaslr: propagate base load address calculation
Date: Tue, 17 Feb 2015 08:45:53 -0800	[thread overview]
Message-ID: <CAGXu5jL7opSG92o5Gu2tT-NWTfiC7dNSMLynPZWb8uHzUoUqLg@mail.gmail.com> (raw)
In-Reply-To: <20150217123933.GC26165@pd.tnic>

On Tue, Feb 17, 2015 at 4:39 AM, Borislav Petkov <bp@alien8.de> wrote:
> On Tue, Feb 17, 2015 at 01:21:20PM +0100, Jiri Kosina wrote:
>> I don't have strong feelings either way. It seems slightly nicer
>> to have a predictable oops output format no matter the CONFIG_
>> options and command-line contents, but if you feel like seeing the
>> 'Kernel offset: 0' in 'nokaslr' and !CONFIG_RANDOMIZE_BASE cases is
>> unnecessary noise, feel free to make this change to my patch.
>
> Well, wouldn't it be wrong to print this line if kaslr is disabled?
> Because of the ambiguity in that case: that line could mean either we
> randomized to 0 or kaslr is disabled but you can't know that from the
> "0" in there, right?

Maybe it should say:

Kernel offset: disabled

for maximum clarity?

-Kees

>
> --
> Regards/Gruss,
>     Boris.
>
> ECO tip #101: Trim your mails when you reply.
> --



-- 
Kees Cook
Chrome OS Security

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  reply	other threads:[~2015-02-17 16:45 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-10 13:17 [PATCH] " Jiri Kosina
2015-02-10 17:25 ` Kees Cook
2015-02-10 23:07   ` Jiri Kosina
2015-02-10 23:13     ` Jiri Kosina
2015-02-13 15:04       ` [PATCH v2] " Jiri Kosina
2015-02-13 17:49         ` Kees Cook
2015-02-13 22:20           ` Jiri Kosina
2015-02-13 23:25             ` Kees Cook
2015-02-16 11:55               ` Borislav Petkov
2015-02-16 19:27                 ` Kees Cook
2015-02-16 19:42                   ` Borislav Petkov
2015-02-17 10:44         ` Borislav Petkov
2015-02-17 12:21           ` Jiri Kosina
2015-02-17 12:39             ` Borislav Petkov
2015-02-17 16:45               ` Kees Cook [this message]
2015-02-17 22:31                 ` Borislav Petkov
2015-02-18  3:33                   ` Kees Cook
2015-02-18  8:32                     ` Borislav Petkov
2015-02-18 10:46                       ` Jiri Kosina

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