linux-kernel - Re: [PATCH v4 1/3] init/main.c: Give init

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Message-ID: <20140918202701.GA10695@redhat.com>
Date:	Thu, 18 Sep 2014 22:27:01 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Aaron Tomlin <atomlin@...hat.com>
Cc:	peterz@...radead.org, mingo@...hat.com, dzickus@...hat.com,
	bmr@...hat.com, jcastillo@...hat.com, riel@...hat.com,
	prarit@...hat.com, jgh@...hat.com, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, x86@...nel.org, rostedt@...dmis.org,
	hannes@...xchg.org, aneesh.kumar@...ux.vnet.ibm.com,
	akpm@...ux-foundation.org, akpm@...gle.com,
	linuxppc-dev@...ts.ozlabs.org, minchan@...nel.org,
	mpe@...erman.id.au
Subject: Re: [PATCH v4 1/3] init/main.c: Give init_task a canary

On 09/12, Aaron Tomlin wrote:
>
> Tasks get their end of stack set to STACK_END_MAGIC with the
> aim to catch stack overruns. Currently this feature does not
> apply to init_task. This patch removes this restriction.
>
> Note that a similar patch was posted by Prarit Bhargava [1]
> some time ago but was never merged.
>
> [1]: http://marc.info/?l=linux-kernel&m=127144305403241&w=2
>
> Signed-off-by: Aaron Tomlin <atomlin@...hat.com>
> Acked-by: Michael Ellerman <mpe@...erman.id.au>

Acked-by: Oleg Nesterov <oleg@...hat.com>

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