linux-kernel - Re: [PATCH v3 1/2] x86/boot/64: Make level2_kernel

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Message-ID: <db27bc8e-57ab-e7ee-3687-2451c6fbde0e@intel.com>
Date:   Fri, 11 Oct 2019 09:02:35 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Steve Wahl <steve.wahl@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Juergen Gross <jgross@...e.com>,
        "Kirill A. Shutemov" <kirill@...temov.name>,
        Brijesh Singh <brijesh.singh@....com>,
        Jordan Borgner <mail@...dan-borgner.de>,
        Feng Tang <feng.tang@...el.com>, linux-kernel@...r.kernel.org,
        Zhenzhong Duan <zhenzhong.duan@...cle.com>
Cc:     Baoquan He <bhe@...hat.com>, russ.anderson@....com,
        dimitri.sivanich@....com, mike.travis@....com
Subject: Re: [PATCH v3 1/2] x86/boot/64: Make level2_kernel_pgt pages invalid
 outside kernel area.

On 9/24/19 2:03 PM, Steve Wahl wrote:
> The solution is to invalidate the pages of this table outside the
> kernel image's space before the page table is activated.  This patch
> has been validated to fix this problem on our hardware.

Looks good, thanks for the changes!

For both patches:

Acked-by: Dave Hansen <dave.hansen@...ux.intel.com>