linux-kernel - Re: [PATCH] iommu: set group default domain before creating direct mappings

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Date:   Tue, 17 Dec 2019 11:45:35 +0100
From:   Joerg Roedel <jroedel@...e.de>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     Jerry Snitselaar <jsnitsel@...hat.com>,
        linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] iommu: set group default domain before creating direct
 mappings

On Wed, Dec 11, 2019 at 08:54:21AM +0800, Lu Baolu wrote:
> On 12/11/19 2:56 AM, Jerry Snitselaar wrote:
> > iommu_group_create_direct_mappings uses group->default_domain, but
> > right after it is called, request_default_domain_for_dev calls
> > iommu_domain_free for the default domain, and sets the group default
> > domain to a different domain. Move the
> > iommu_group_create_direct_mappings call to after the group default
> > domain is set, so the direct mappings get associated with that domain.
> > 
> > Cc: Joerg Roedel <jroedel@...e.de>
> > Cc: Lu Baolu <baolu.lu@...ux.intel.com>
> 
> This fix looks good to me.
> 
> Reviewed-by: Lu Baolu <baolu.lu@...ux.intel.com>

Applied, thanks.