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Re: [PATCH] x86/mem_sharing: Release domain if we are not able to enable memory sharing


  • To: Frediano Ziglio <frediano.ziglio@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Wed, 22 Nov 2023 19:42:25 +0000
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  • Cc: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
  • Delivery-date: Wed, 22 Nov 2023 19:42:38 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 22/11/2023 4:39 pm, Frediano Ziglio wrote:
> In case it's not possible to enable memory sharing (mem_sharing_control
> fails) we just return the error code without releasing the domain
> acquired some lines above by rcu_lock_live_remote_domain_by_id.

Fixes: 72f8d45d69b8 ("x86/mem_sharing: enable mem_sharing on first memop")

> Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxx>

Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

That was simply a broken transformation in the patch.



 


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