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From: Kees Cook <keescook@chromium.org>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Tony Lindgren <tony@atomide.com>,
	Nicolas Pitre <nicolas.pitre@linaro.org>,
	Laura Abbott <labbott@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>,
	"kernel-hardening@lists.openwall.com"
	<kernel-hardening@lists.openwall.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	Laura Abbott <labbott@fedoraproject.org>
Subject: Re: [PATCH v2] ARM: mm: flip priority of CONFIG_DEBUG_RODATA
Date: Mon, 4 Jan 2016 12:34:28 -0800	[thread overview]
Message-ID: <CAGXu5j+MrX-OvnVTYH0hqF2XgZW10PQOviyN=e5heejLsXewVA@mail.gmail.com> (raw)
In-Reply-To: <20151224003406.GA8644@n2100.arm.linux.org.uk>

On Wed, Dec 23, 2015 at 4:34 PM, Russell King - ARM Linux
<linux@arm.linux.org.uk> wrote:
> On Wed, Dec 23, 2015 at 04:11:22PM -0800, Tony Lindgren wrote:
>> * Nicolas Pitre <nicolas.pitre@linaro.org> [151223 13:45]:
>> > We fixed a bunch of similar issues where code was located in the .data
>> > section for ease of use from assembly code.  See commit b4e61537 and
>> > d0776aff for example.
>>
>> Thanks hey some assembly fun for the holidays :) I also need to check what
>> all gets relocated to SRAM here.
>>
>> In any case, seems like the $subject patch is too intrusive for v4.5 at
>> this point.
>
> Given Christmas and an unknown time between that and the merge window
> actually opening, I decided Tuesday would be the last day I take any
> patches into my tree - and today would be the day that I drop anything
> that causes problems.
>
> So, I've already dropped this, so tomorrow's linux-next should not have
> this change.
>
> You'll still see breakage if people enable RODATA though, but that's no
> different from previous kernels.

Ugh, sorry for the breakage.

Should this patch stay as-is and people will fix their various RODATA
failures during the next devel window, or should I remove the "default
y if CPU_V7"?

-Kees

-- 
Kees Cook
Chrome OS & Brillo Security

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  reply	other threads:[~2016-01-04 20:34 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-02 20:27 Kees Cook
2015-12-03  0:05 ` Laura Abbott
2015-12-22 10:37 ` Geert Uytterhoeven
2015-12-23  0:36   ` Laura Abbott
2015-12-23 19:51 ` Tony Lindgren
2015-12-23 20:01   ` Russell King - ARM Linux
2015-12-23 20:18     ` Tony Lindgren
2015-12-23 20:31   ` Laura Abbott
2015-12-23 21:29     ` Tony Lindgren
2015-12-23 21:45       ` Nicolas Pitre
2015-12-24  0:11         ` Tony Lindgren
2015-12-24  0:34           ` Russell King - ARM Linux
2016-01-04 20:34             ` Kees Cook [this message]
2016-01-04 22:07               ` Russell King - ARM Linux
2016-02-05 21:48                 ` Kees Cook
2015-12-23 20:15 ` Russell King - ARM Linux
2015-12-23 21:26   ` Laura Abbott

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