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Re: [Xen-devel] [PATCH 2/8] xen: add using domlist_read_lock in keyhandlers


  • To: Juergen Gross <jgross@xxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: George Dunlap <george.dunlap@xxxxxxxxxx>
  • Date: Thu, 13 Feb 2020 14:09:12 +0000
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  • Cc: Kevin Tian <kevin.tian@xxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Jun Nakajima <jun.nakajima@xxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Delivery-date: Thu, 13 Feb 2020 14:09:33 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Openpgp: preference=signencrypt

On 2/13/20 12:54 PM, Juergen Gross wrote:
> Using for_each_domain() with out holding the domlist_read_lock is
> fragile, so add the lock in the keyhandlers it is missing.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> ---
>  xen/arch/x86/mm/p2m-ept.c       | 4 ++++

p2m bits:

Acked-by: George Dunlap <george.dunlap@xxxxxxxxxx>

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