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From: Joerg Roedel <joro@8bytes.org>
To: iommu@lists.linux-foundation.org
Cc: linux-kernel@vger.kernel.org, Huang Rui <ray.huang@amd.com>,
	Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
	Alex Deucher <alexander.deucher@amd.com>,
	Xiaojian Du <xiaojian.du@amd.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Joerg Roedel <jroedel@suse.de>
Subject: [PATCH 0/3] iommu/amd: Fix booting with amd_iommu=off
Date: Wed, 17 Mar 2021 10:10:34 +0100	[thread overview]
Message-ID: <20210317091037.31374-1-joro@8bytes.org> (raw)

From: Joerg Roedel <jroedel@suse.de>

Hi,

it turned out that booting a kernel with amd_iommu=off on a machine
that has an AMD IOMMU causes an early kernel crash. There are two
reasons for this, and fixing one of them is already sufficient, but
both reasons deserve fixing, which is done in this patch-set.

Regards,

	Joerg

Joerg Roedel (3):
  iommu/amd: Move Stoney Ridge check to detect_ivrs()
  iommu/amd: Don't call early_amd_iommu_init() when AMD IOMMU is
    disabled
  iommu/amd: Keep track of amd_iommu_irq_remap state

 drivers/iommu/amd/init.c | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)

-- 
2.30.2


WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joro@8bytes.org>
To: iommu@lists.linux-foundation.org
Cc: Joerg Roedel <jroedel@suse.de>, Xiaojian Du <xiaojian.du@amd.com>,
	linux-kernel@vger.kernel.org, Huang Rui <ray.huang@amd.com>,
	Alex Deucher <alexander.deucher@amd.com>,
	David Woodhouse <dwmw2@infradead.org>
Subject: [PATCH 0/3] iommu/amd: Fix booting with amd_iommu=off
Date: Wed, 17 Mar 2021 10:10:34 +0100	[thread overview]
Message-ID: <20210317091037.31374-1-joro@8bytes.org> (raw)

From: Joerg Roedel <jroedel@suse.de>

Hi,

it turned out that booting a kernel with amd_iommu=off on a machine
that has an AMD IOMMU causes an early kernel crash. There are two
reasons for this, and fixing one of them is already sufficient, but
both reasons deserve fixing, which is done in this patch-set.

Regards,

	Joerg

Joerg Roedel (3):
  iommu/amd: Move Stoney Ridge check to detect_ivrs()
  iommu/amd: Don't call early_amd_iommu_init() when AMD IOMMU is
    disabled
  iommu/amd: Keep track of amd_iommu_irq_remap state

 drivers/iommu/amd/init.c | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)

-- 
2.30.2

_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

             reply	other threads:[~2021-03-17  9:11 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-17  9:10 Joerg Roedel [this message]
2021-03-17  9:10 ` [PATCH 0/3] iommu/amd: Fix booting with amd_iommu=off Joerg Roedel
2021-03-17  9:10 ` [PATCH 1/3] iommu/amd: Move Stoney Ridge check to detect_ivrs() Joerg Roedel
2021-03-17  9:10   ` Joerg Roedel
2021-03-17  9:10 ` [PATCH 2/3] iommu/amd: Don't call early_amd_iommu_init() when AMD IOMMU is disabled Joerg Roedel
2021-03-17  9:10   ` Joerg Roedel
2021-03-17 11:47   ` David Woodhouse
2021-03-17 11:47     ` David Woodhouse
2021-03-17 13:32     ` Joerg Roedel
2021-03-17 13:32       ` Joerg Roedel
2021-03-17 13:37       ` David Woodhouse
2021-03-17 13:37         ` David Woodhouse
2021-03-17 14:24         ` Joerg Roedel
2021-03-17 14:24           ` Joerg Roedel
2021-03-17  9:10 ` [PATCH 3/3] iommu/amd: Keep track of amd_iommu_irq_remap state Joerg Roedel
2021-03-17  9:10   ` Joerg Roedel
2021-03-17 10:48 ` [PATCH 0/3] iommu/amd: Fix booting with amd_iommu=off Huang Rui
2021-03-17 10:48   ` Huang Rui
2021-03-18  9:47   ` Joerg Roedel
2021-03-18  9:47     ` Joerg Roedel

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