linux-kernel - Re: [PATCH rc] iommu/sva: Fix SVA handle sharing in multi device case

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Date: Tue, 27 Feb 2024 14:51:40 +0800
From: Baolu Lu <baolu.lu@...ux.intel.com>
To: Zhangfei Gao <zhangfei.gao@...aro.org>, Joerg Roedel <joro@...tes.org>,
 Will Deacon <will@...nel.org>, jean-philippe <jean-philippe@...aro.org>,
 Jason Gunthorpe <jgg@...dia.com>, "Zhang, Tina" <tina.zhang@...el.com>,
 kevin.tian@...el.com
Cc: baolu.lu@...ux.intel.com, iommu@...ts.linux.dev,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH rc] iommu/sva: Fix SVA handle sharing in multi device case

On 2/27/24 2:48 PM, Zhangfei Gao wrote:
> iommu_sva_bind_device will directly goto out in multi-device
> case when found existing domain, ignoring list_add handle,
> which causes the handle to fail to be shared.
> 
> Fixes: 65d4418c5002 ("iommu/sva: Restore SVA handle sharing")
> Signed-off-by: Zhangfei Gao<zhangfei.gao@...aro.org>
> Reviewed-by: Jason Gunthorpe<jgg@...dia.com>

Reviewed-by: Lu Baolu <baolu.lu@...ux.intel.com>

Best regards,
baolu