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From: Joerg Roedel <joro@8bytes.org>
To: Joerg Roedel <joro@8bytes.org>
Cc: corbet@lwn.net, tony.luck@intel.com, fenghua.yu@intel.com,
	tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
	hpa@zytor.com, x86@kernel.org, linux-doc@vger.kernel.org,
	linux-ia64@vger.kernel.org, iommu@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, Thomas.Lendacky@amd.com,
	Suravee.Suthikulpanit@amd.com, Joerg Roedel <jroedel@suse.de>
Subject: [PATCH 02/10] iommu/amd: Request passthrough mode from IOMMU core
Date: Wed, 14 Aug 2019 15:38:33 +0200	[thread overview]
Message-ID: <20190814133841.7095-3-joro@8bytes.org> (raw)
In-Reply-To: <20190814133841.7095-1-joro@8bytes.org>

From: Joerg Roedel <jroedel@suse.de>

Get rid of the iommu_pass_through variable and request
passthrough mode via the new iommu core function.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
 drivers/iommu/amd_iommu.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b607a92791d3..7434b34d7a94 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -436,7 +436,7 @@ static int iommu_init_device(struct device *dev)
 	 * invalid address), we ignore the capability for the device so
 	 * it'll be forced to go into translation mode.
 	 */
-	if ((iommu_pass_through || !amd_iommu_force_isolation) &&
+	if ((iommu_default_passthrough() || !amd_iommu_force_isolation) &&
 	    dev_is_pci(dev) && pci_iommuv2_capable(to_pci_dev(dev))) {
 		struct amd_iommu *iommu;
 
@@ -2226,7 +2226,7 @@ static int amd_iommu_add_device(struct device *dev)
 
 	BUG_ON(!dev_data);
 
-	if (iommu_pass_through || dev_data->iommu_v2)
+	if (dev_data->iommu_v2)
 		iommu_request_dm_for_dev(dev);
 
 	/* Domains are initialized for this device - have a look what we ended up with */
@@ -2805,7 +2805,7 @@ int __init amd_iommu_init_api(void)
 
 int __init amd_iommu_init_dma_ops(void)
 {
-	swiotlb        = (iommu_pass_through || sme_me_mask) ? 1 : 0;
+	swiotlb        = (iommu_default_passthrough() || sme_me_mask) ? 1 : 0;
 	iommu_detected = 1;
 
 	if (amd_iommu_unmap_flush)
-- 
2.17.1


  parent reply	other threads:[~2019-08-14 13:39 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-14 13:38 [PATCH 00/10 v2] Cleanup IOMMU passthrough setting (and disable IOMMU Passthrough when SME is active) Joerg Roedel
2019-08-14 13:38 ` [PATCH 01/10] iommu: Add helpers to set/get default domain type Joerg Roedel
2019-08-14 13:38 ` Joerg Roedel [this message]
2019-08-14 13:38 ` [PATCH 03/10] iommu/vt-d: Request passthrough mode from IOMMU core Joerg Roedel
2019-08-15  4:46   ` Lu Baolu
2019-08-14 13:38 ` [PATCH 04/10] x86/dma: Get rid of iommu_pass_through Joerg Roedel
2019-08-15  4:53   ` Lu Baolu
2019-08-14 13:38 ` [PATCH 05/10] ia64: " Joerg Roedel
2019-08-14 13:38 ` [PATCH 06/10] iommu: Remember when default domain type was set on kernel command line Joerg Roedel
2019-08-15  5:01   ` Lu Baolu
2019-08-15  7:19     ` Joerg Roedel
2019-08-14 13:38 ` [PATCH 07/10] iommu: Print default domain type on boot Joerg Roedel
2019-08-15  5:04   ` Lu Baolu
2019-08-14 13:38 ` [PATCH 08/10] iommu: Set default domain type at runtime Joerg Roedel
2019-08-15  6:55   ` Lu Baolu
2019-08-14 13:38 ` [PATCH 09/10] iommu: Disable passthrough mode when SME is active Joerg Roedel
2019-08-14 13:38 ` [PATCH 10/10] Documentation: Update Documentation for iommu.passthrough Joerg Roedel

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