From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH 0/7] iommu/amd: Disable previously enabled IOMMUs at boot
Date: Fri, 16 Jun 2017 16:09:53 +0200 [thread overview]
Message-ID: <1497622200-18188-1-git-send-email-joro@8bytes.org> (raw)
Hi,
here is a patch-set refactoring the AMD IOMMU init code a
bit to make sure the IOMMUs get disabled at boot, even when
amd_iommu=off is specified on the kernel command line.
The patch-set is tested with various combinations of kernel
command-line parameters and with kexec. It applies to the
x86/amd branch of the iommu-tree.
Regards,
Joerg
Joerg Roedel (7):
iommu/amd: Disable IOMMUs at boot if they are enabled
iommu/amd: Rename free_on_init_error()
iommu/amd: Add new init-state IOMMU_CMDLINE_DISABLED
iommu/amd: Check for error states first in iommu_go_to_state()
iommu/amd: Set global pointers to NULL after freeing them
iommu/amd: Free IOMMU resources when disabled on command line
iommu/amd: Remove amd_iommu_disabled check from amd_iommu_detect()
drivers/iommu/amd_iommu_init.c | 33 ++++++++++++++++++++++++---------
1 file changed, 24 insertions(+), 9 deletions(-)
--
2.7.4
next reply other threads:[~2017-06-16 14:09 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-16 14:09 Joerg Roedel [this message]
2017-06-16 14:09 ` [PATCH 1/7] iommu/amd: Disable IOMMUs at boot if they are enabled Joerg Roedel
[not found] ` <1497622200-18188-1-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2017-06-16 14:09 ` [PATCH 2/7] iommu/amd: Rename free_on_init_error() Joerg Roedel
2017-06-16 14:09 ` [PATCH 3/7] iommu/amd: Add new init-state IOMMU_CMDLINE_DISABLED Joerg Roedel
2017-06-16 14:09 ` [PATCH 4/7] iommu/amd: Check for error states first in iommu_go_to_state() Joerg Roedel
2017-06-16 14:09 ` [PATCH 5/7] iommu/amd: Set global pointers to NULL after freeing them Joerg Roedel
2017-06-16 14:09 ` [PATCH 6/7] iommu/amd: Free IOMMU resources when disabled on command line Joerg Roedel
2017-06-16 14:10 ` [PATCH 7/7] iommu/amd: Remove amd_iommu_disabled check from amd_iommu_detect() Joerg Roedel
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