linux-kernel - Re: [PATCH v4 09/12] x86/mtrr: construct a memory map with cache modes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <a43e8917-b1e9-df1d-422a-1699258175de@suse.com>
Date:   Mon, 3 Apr 2023 09:02:00 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH v4 09/12] x86/mtrr: construct a memory map with cache
 modes

On 01.04.23 16:26, Borislav Petkov wrote:
> On Fri, Mar 31, 2023 at 03:35:07PM +0200, Juergen Gross wrote:
>> Hmm, this makes it much harder to see that the code really does nothing
>> if enabled isn't set.
> 
> Both callsites in mtrr_bp_init() are behind such a check already.

Oh, indeed they are.

I'll remove the check.


Juergen


Download attachment "OpenPGP_0xB0DE9DD628BF132F.asc" of type "application/pgp-keys" (3099 bytes)

Download attachment "OpenPGP_signature" of type "application/pgp-signature" (496 bytes)