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Re: [Xen-devel] [PATCH] x86: make set_pmd_at() paravirt aware

To: Juergen Gross <jgross@xxxxxxxx>
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Sun, 10 Feb 2019 10:14:06 -0800
Cc: sstabellini@xxxxxxxxxx, the arch/x86 maintainers <x86@xxxxxxxxxx>, Linux List Kernel Mailing <linux-kernel@xxxxxxxxxxxxxxx>, Sander Eikelenboom <linux@xxxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Peter Anvin <hpa@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Delivery-date: Sun, 10 Feb 2019 18:14:35 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Sat, Feb 9, 2019 at 11:41 PM Juergen Gross <jgross@xxxxxxxx> 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

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