Re: [PATCH v2 1/2] s390x: uv: Add destroy page call

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On 07/09/2020 14.46, Janosch Frank wrote:
> We don't need to export pages if we destroy the VM configuration
> afterwards anyway. Instead we can destroy the page which will zero it
> and then make it accessible to the host.
> 
> Destroying is about twice as fast as the export.
> 
> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
> Reviewed-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
> ---
>  arch/s390/include/asm/uv.h |  7 +++++++
>  arch/s390/kernel/uv.c      | 20 ++++++++++++++++++++
>  arch/s390/mm/gmap.c        |  2 +-
>  3 files changed, 28 insertions(+), 1 deletion(-)

Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>




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