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Groups > linux.kernel > #1622240
| From | "Kirill A. Shutemov" <kirill@shutemov.name> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] x86/mm: fix dump pagetables for 4 levels of page tables |
| Date | 2017-04-12 17:30 +0200 |
| Message-ID | <tvsnw-680-17@gated-at.bofh.it> (permalink) |
| References | <tvrB8-5Bn-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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
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[PATCH] x86/mm: fix dump pagetables for 4 levels of page tables Juergen Gross <jgross@suse.com> - 2017-04-12 16:40 +0200 Re: [PATCH] x86/mm: fix dump pagetables for 4 levels of page tables "Kirill A. Shutemov" <kirill@shutemov.name> - 2017-04-12 17:30 +0200 [tip:x86/mm] x86/mm: Fix dump pagetables for 4 levels of page tables tip-bot for Juergen Gross <tipbot@zytor.com> - 2017-04-13 00:40 +0200
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