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From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: Nokia N900: insecure W+X mapping at 0xd0050000
Date: Thu, 8 Mar 2018 08:24:46 -0800	[thread overview]
Message-ID: <20180308162446.GK5799@atomide.com> (raw)
In-Reply-To: <20180308142818.GA9439@amd>

* Pavel Machek <pavel@ucw.cz> [180308 06:29]:
> Insecure W+X mappings, who cares about those? I have 7 pages...

Is this with CONFIG_DEBUG_WX=y?

My guess is that it's for mapping the PM assembly to SRAM. This
is already fixed for am335x that is using drivers/misc/sram*.c.
I think omap2 - omap4 still need fixing if this is the culprit.

Regards,

Tony

  reply	other threads:[~2018-03-08 16:24 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-08 14:28 Nokia N900: insecure W+X mapping at 0xd0050000 Pavel Machek
2018-03-08 16:24 ` Tony Lindgren [this message]
2018-03-08 16:46   ` Tony Lindgren
2018-03-08 18:05     ` Pavel Machek
2018-03-21 15:24       ` Tony Lindgren

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