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Re: [PATCH 03/22] x86/dom0: only disable SMAP for the PV dom0 build

To: xen-devel@xxxxxxxxxxxxxxxxxxxx
From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date: Mon, 29 Jul 2024 10:17:25 +0200
Cc: alejandro.vallejo@xxxxxxxxx, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Delivery-date: Mon, 29 Jul 2024 08:17:35 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Fri, Jul 26, 2024 at 05:21:47PM +0200, Roger Pau Monne wrote:
> The PVH dom0 builder doesn't switch page tables and has no need to run with
> SMAP disabled.

This should be reworded as:

"The PVH dom0 builder doesn't build guest page-tables, because PVH is
started in 32bit protected mode, hence has no need to run with SMAP
disabled."

Thanks, Roger.

References:
- [PATCH 00/22] x86: adventures in Address Space Isolation
  - From: Roger Pau Monne
- [PATCH 03/22] x86/dom0: only disable SMAP for the PV dom0 build
  - From: Roger Pau Monne

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