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Re: [PATCH v2] x86/mem_sharing: don't lock parent during fork reset


  • To: Tamas K Lengyel <tamas.lengyel@xxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Mon, 20 Sep 2021 16:14:55 +0200
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  • Cc: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 20 Sep 2021 14:15:02 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 20.09.2021 15:40, Tamas K Lengyel wrote:
> During fork reset operation the parent domain doesn't need to be gathered 
> using
> rcu_lock_live_remote_domain_by_id, the fork already has the parent pointer.
> 
> Signed-off-by: Tamas K Lengyel <tamas.lengyel@xxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>




 


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