linux-kernel - Re: 4.4-rc5: ugly warn on: 5 W+X pages found

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Message-ID: <20151215191501.GK25973@pd.tnic>
Date:	Tue, 15 Dec 2015 20:15:01 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Pavel Machek <pavel@....cz>, Andy Lutomirski <luto@...capital.net>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	kernel list <linux-kernel@...r.kernel.org>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	Brian Gerst <brgerst@...il.com>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Peter Anvin <hpa@...or.com>, Mike Galbraith <efault@....de>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: 4.4-rc5: ugly warn on: 5 W+X pages found

On Tue, Dec 15, 2015 at 11:06:38AM -0800, Linus Torvalds wrote:
> We want to *warn* about PAGE_RW without PAGE_NX.  No?

Ah yes, we do:

note_page:

	...

	if (st->check_wx && (pr & _PAGE_RW) && !(pr & _PAGE_NX)) {

I got confused, sorry.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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