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Tvrtko Ursulin 0a85b47cd4 iommu/vt-d: Do not falsely log intel_iommu is unsupported kernel option

[ Upstream commit 5240aed2cd2594fb392239f11b9681e5e1591619 ]

Handling of intel_iommu kernel command line option should return "true" to
indicate option is valid and so avoid logging it as unknown by the core
parsing code.

Also log unknown sub-options at the notice level to let user know of
potential typos or similar.

Reported-by: Eero Tamminen <eero.t.tamminen@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://lore.kernel.org/r/20210831112947.310080-1-tvrtko.ursulin@linux.intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20211014053839.727419-2-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2021-11-25 09:48:28 +01:00

cap_audit.c

iommu/vt-d: Move capability check code to cap_audit files

2021-02-04 14:42:00 +01:00

cap_audit.h

iommu/vt-d: Move capability check code to cap_audit files

2021-02-04 14:42:00 +01:00

debugfs.c

iommu/vt-d: Expose latency monitor data through debugfs

2021-06-10 09:06:13 +02:00

dmar.c

iommu/vt-d: Drop "0x" prefix from PCI bus & device addresses