linux-kernel - Re: [PATCH] x86: make set_pmd

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Message-ID: <CAHk-=wj4CYgo7=LJOcXmCOUS5ovcu6ep_TJQdHrEOoUO5G4PFA@mail.gmail.com>
Date:   Sun, 10 Feb 2019 10:14:06 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Juergen Gross <jgross@...e.com>
Cc:     Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        xen-devel@...ts.xenproject.org,
        "the arch/x86 maintainers" <x86@...nel.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        sstabellini@...nel.org, Peter Anvin <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Sander Eikelenboom <linux@...elenboom.it>
Subject: Re: [PATCH] x86: make set_pmd_at() paravirt aware

On Sat, Feb 9, 2019 at 11:41 PM Juergen Gross <jgross@...e.com> wrote:
>
> Make set_pmd_at() paravirt aware by just letting it use set_pmd().

Well, that was simpler than I worried.

Just checking: Is this purely an x86 issue? ARM is ok perhaps because
there's no PV support?

             Linus