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Date:	Tue,  9 Apr 2013 22:13:04 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	iommu@...ts.linux-foundation.org
Cc:	linux-kernel@...r.kernel.org, Joerg Roedel <joro@...tes.org>
Subject: [PATCH 9/9] iommu/amd: Document ivrs_ioapic and ivrs_hpet parameters

Document the new kernel commandline parameters in the
appropriate file.

Signed-off-by: Joerg Roedel <joro@...tes.org>
---
 Documentation/kernel-parameters.txt |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 4609e81..2848b1b 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1226,6 +1226,20 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	iucv=		[HW,NET]
 
+	ivrs_ioapic	[HW,X86_64]
+			Provide an override to the IOAPIC-ID<->DEVICE-ID
+			mapping provided in the IVRS ACPI table. For
+			example, to map IOAPIC-ID decimal 10 to
+			PCI device 00:14.0 write the parameter as:
+				ivrs_ioapic[10]=00:14.0
+
+	ivrs_hpet	[HW,X86_64]
+			Provide an override to the HPET-ID<->DEVICE-ID
+			mapping provided in the IVRS ACPI table. For
+			example, to map HPET-ID decimal 0 to
+			PCI device 00:14.0 write the parameter as:
+				ivrs_hpet[0]=00:14.0
+
 	js=		[HW,JOY] Analog joystick
 			See Documentation/input/joystick.txt.
 
-- 
1.7.9.5


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