linux-kernel - Re: [PATCH v6 00/16] x86/mtrr: fix handling with PAT but without MTRR

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Message-ID: <20230601143310.GDZHisJlbH5myXGQ8d@fat_crate.local>
Date:   Thu, 1 Jun 2023 16:33:10 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Juergen Gross <jgross@...e.com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        linux-hyperv@...r.kernel.org, linux-doc@...r.kernel.org,
        mikelley@...rosoft.com, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        xen-devel@...ts.xenproject.org, Jonathan Corbet <corbet@....net>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH v6 00/16] x86/mtrr: fix handling with PAT but without MTRR

On Thu, Jun 01, 2023 at 03:22:33PM +0200, Borislav Petkov wrote:
> Now lemme restart testing.

This is from another box, with the latest changes incorporated:

https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git/log/?h=rc1-mtrr

--- proc-mtrr.before    2011-03-04 01:03:35.243994733 +0100
+++ proc-mtrr.after     2023-06-01 16:28:54.959999456 +0200
@@ -1,3 +1,3 @@
 reg00: base=0x000000000 (    0MB), size= 2048MB, count=1: write-back
 reg01: base=0x080000000 ( 2048MB), size= 1024MB, count=1: write-back
-reg02: base=0x0c0000000 ( 3072MB), size=  256MB, count=1: write-back
+reg02: base=0x0c0000000 ( 3072MB), size=  128MB, count=1: write-back

Want mtrr=debug output again?

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette