linux-kernel - [PATCH 03/11] iommu: Use Functions to set default domain type in iommu_set_def_domain

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Message-Id: <20190819132256.14436-4-joro@8bytes.org>
Date:   Mon, 19 Aug 2019 15:22:48 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Joerg Roedel <joro@...tes.org>
Cc:     corbet@....net, tony.luck@...el.com, fenghua.yu@...el.com,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        x86@...nel.org, linux-doc@...r.kernel.org,
        linux-ia64@...r.kernel.org, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, Thomas.Lendacky@....com,
        Suravee.Suthikulpanit@....com, Joerg Roedel <jroedel@...e.de>
Subject: [PATCH 03/11] iommu: Use Functions to set default domain type in iommu_set_def_domain_type()

From: Joerg Roedel <jroedel@...e.de>

There are functions now to set the default domain type which
take care of updating other necessary state. Don't open-code
it in iommu_set_def_domain_type() and use those functions
instead.

Signed-off-by: Joerg Roedel <jroedel@...e.de>
---
 drivers/iommu/iommu.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 84acd47936ac..3ee50bb22ca2 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -178,9 +178,11 @@ static int __init iommu_set_def_domain_type(char *str)
 	if (ret)
 		return ret;
 
-	iommu_set_cmd_line_dma_api();
+	if (pt)
+		iommu_set_default_passthrough(true);
+	else
+		iommu_set_default_translated(true);
 
-	iommu_def_domain_type = pt ? IOMMU_DOMAIN_IDENTITY : IOMMU_DOMAIN_DMA;
 	return 0;
 }
 early_param("iommu.passthrough", iommu_set_def_domain_type);
-- 
2.16.4