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Re: [PATCH] x86/shadow: Drop SHADOW_AUDIT_ENABLE indirection


  • To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Mon, 15 Dec 2025 10:25:51 +0100
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  • Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Mon, 15 Dec 2025 09:26:09 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 12.12.2025 17:01, Andrew Cooper wrote:
> Simply define shadow_audit_enable to be false for the !SHADOW_AUDIT case.
> 
> Change the variable to be a bool, and __read_mostly as it's only enabled by
> debugkey.
> 
> No functional change.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

However, any tidying of shadow code reminds me that I still have a series
pending [1]. Iirc you did look at v1 and/or v2, but v3 has been sitting
largely unresponded to for two and a half years (one patch went in with
Roger's ack, and one other patch was ack-ed by him but apparently wants
other stuff to go in first). Can we please see about having that make some
progress as well?

Jan

[1] https://lists.xen.org/archives/html/xen-devel/2023-05/msg01140.html



 


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