linux-kernel - Re: [PATCH 1/4] x86/mm/pat: Handle no-GBPAGES case correctly in populate

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Date:   Wed, 4 Mar 2020 17:40:02 -0500
From:   Arvind Sankar <nivedita@...m.mit.edu>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     Arvind Sankar <nivedita@...m.mit.edu>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        the arch/x86 maintainers <x86@...nel.org>,
        linux-efi <linux-efi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] x86/mm/pat: Handle no-GBPAGES case correctly in
 populate_pud

On Wed, Mar 04, 2020 at 10:51:01PM +0100, Ard Biesheuvel wrote:
> On Wed, 4 Mar 2020 at 20:54, Arvind Sankar <nivedita@...m.mit.edu> wrote:
> >
> > You're *sure* the after is actually after? There seems to be no change
> > at all, the patch should have had some effect.
> 
> Duh.
> 
> Yes, you are right. It was 'operator error'

Phew! Thanks for the test :)