linux-kernel - [PATCH v7 11/12] iommu: Assign the direct mapped domain to group->domain

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Message-Id: <1480050799-1237-12-git-send-email-bhe@redhat.com>
Date:   Fri, 25 Nov 2016 13:13:18 +0800
From:   Baoquan He <bhe@...hat.com>
To:     joro@...tes.org
Cc:     iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        kexec@...ts.infradead.org, dyoung@...hat.com, xlpang@...hat.com,
        Baoquan He <bhe@...hat.com>
Subject: [PATCH v7 11/12] iommu: Assign the direct mapped domain to group->domain

In iommu_request_dm_for_dev(), devices of group have all been attached
to newly created direct mapped domain. We should store the domain into
group->domain so that it works for iommu_get_domain_for_dev() and
get_domain().

Signed-off-by: Baoquan He <bhe@...hat.com>
---
 drivers/iommu/iommu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 0262eee..a2d1a8f 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -1612,6 +1612,7 @@ int iommu_request_dm_for_dev(struct device *dev)
 	if (group->default_domain)
 		iommu_domain_free(group->default_domain);
 	group->default_domain = dm_domain;
+	group->domain = dm_domain;
 
 	pr_info("Using direct mapping for device %s\n", dev_name(dev));
 
-- 
2.5.5