Re: [Xen-devel] [PATCH 1/2] x86/altp2m: use __get_gfn_type_access to avoid lock conflicts

[Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>]

On 08/09/16 02:56, Tamas K Lengyel wrote:
> From: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>
> 
> Use __get_gfn_type_access instead of get_gfn_type_access when checking
> the hostp2m entries during altp2m mem_access setting and gfn remapping
> to avoid a lock conflict which can make dom0 freeze.
> 
> Signed-off-by: Tamas K Lengyel <tamas.lengyel@xxxxxxxxxxxx>
> ---
> Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Cc: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
> ---
>  xen/arch/x86/mm/p2m.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

Reviewed-by: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>


Thanks,
Razvan

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