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Re: [PATCH] [RFC] hw/arm/smmuv3: Set the restoration priority of the vSM
From: |
Auger Eric |
Subject: |
Re: [PATCH] [RFC] hw/arm/smmuv3: Set the restoration priority of the vSMMUv3 explicitly |
Date: |
Mon, 26 Oct 2020 18:03:30 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 |
Hi Zenghui,
On 10/19/20 11:15 AM, Zenghui Yu wrote:
> Ensure the vSMMUv3 will be restored before all PCIe devices so that DMA
> translation can work properly during migration.
Sorry I missed this patch. good catch!
Acked-by: Eric Auger <eric.auger@redhat.com>
Thanks
Eric
>
> Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
> ---
>
> not sure if anything would actually go wrong...
>
> hw/arm/smmuv3.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
> index 0122700e72..2017ba7a5a 100644
> --- a/hw/arm/smmuv3.c
> +++ b/hw/arm/smmuv3.c
> @@ -1440,6 +1440,7 @@ static const VMStateDescription vmstate_smmuv3 = {
> .name = "smmuv3",
> .version_id = 1,
> .minimum_version_id = 1,
> + .priority = MIG_PRI_IOMMU,
> .fields = (VMStateField[]) {
> VMSTATE_UINT32(features, SMMUv3State),
> VMSTATE_UINT8(sid_size, SMMUv3State),
>