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Re: [PATCH 04/16] x86/smpboot: Write the top-of-stack block in cpu_smpboot_alloc()

To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
From: Jan Beulich <jbeulich@xxxxxxxx>
Date: Mon, 4 May 2020 15:22:27 +0200
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
Delivery-date: Mon, 04 May 2020 13:22:31 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 02.05.2020 00:58, Andrew Cooper wrote:
> This allows the AP boot assembly use per-cpu variables, and brings the
> semantics closer to that of the BSP, which can use per-cpu variables from the
> start of day.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

References:
- [PATCH 00/16] x86: Support for CET Supervisor Shadow Stacks
  - From: Andrew Cooper
- [PATCH 04/16] x86/smpboot: Write the top-of-stack block in cpu_smpboot_alloc()
  - From: Andrew Cooper

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