From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Juergen Gross <jgross@suse.com>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org, mingo@redhat.com,
hpa@zytor.com, tglx@linutronix.de,
kirill.shutemov@linux.intel.com
Subject: Re: [PATCH] x86/mm: fix dump pagetables for 4 levels of page tables
Date: Wed, 12 Apr 2017 18:28:08 +0300 [thread overview]
Message-ID: <20170412152808.mrzezql3tf554agk@node.shutemov.name> (raw)
In-Reply-To: <20170412143634.6846-1-jgross@suse.com>
On Wed, Apr 12, 2017 at 04:36:34PM +0200, Juergen Gross wrote:
> Commit fdd3d8ce0ea62 ("x86/dump_pagetables: Add support for 5-level
> paging") introduced an error for dumping with only 4 levels by setting
> PGD_LEVEL_MULT to a wrong value.
>
> This is leading to e.g. addresses printed as "(null)" for ranges:
>
> x86/mm: Found insecure W+X mapping at address (null)/(null)
>
> Signed-off-by: Juergen Gross <jgross@suse.com>
Sorry for this.
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
--
Kirill A. Shutemov
next prev parent reply other threads:[~2017-04-12 15:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-12 14:36 [PATCH] x86/mm: fix dump pagetables for 4 levels of page tables Juergen Gross
2017-04-12 15:28 ` Kirill A. Shutemov [this message]
2017-04-12 22:31 ` [tip:x86/mm] x86/mm: Fix " tip-bot for Juergen Gross
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