linux-kernel - Re: [GIT PULL] x86/mm changes for v4.4

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Message-ID: <20151105021710.GA22941@codemonkey.org.uk>
Date:	Wed, 4 Nov 2015 21:17:10 -0500
From:	Dave Jones <davej@...emonkey.org.uk>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Borislav Petkov <bp@...en8.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andy Lutomirski <luto@...nel.org>,
	Denys Vlasenko <dvlasenk@...hat.com>
Subject: Re: [GIT PULL] x86/mm changes for v4.4

On Wed, Nov 04, 2015 at 05:31:59PM -0800, Linus Torvalds wrote:
 > On Wed, Nov 4, 2015 at 3:39 PM, Dave Jones <davej@...emonkey.org.uk> wrote:
 > >
 > > FWIW I'm seeing this too.
 > >
 > > [    0.468368] ---[ Low Kernel Mapping ]---
 > > [    0.468381] 0xffff880000000000-0xffff880000800000           8M     RW                 GLB NX pte
 > > [    0.468391] 0xffff880000800000-0xffff880000900000           1M     RW                 GLB x  pte
 > >
 > > Linus, does that match your trace too ? The 2nd low kernel mapping?
 > 
 > I don't have that later debug output at all. Presumably some config difference.

CONFIG_X86_PTDUMP_CORE iirc.

	Dave


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