linux-kernel - [PATCH] Documentation: Add "S390" to the swiotlb kernel parameter

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Date: Fri, 14 Jun 2024 10:14:38 +0200
From: Thomas Huth <thuth@...hat.com>
To: linux-doc@...r.kernel.org,
	Christian Borntraeger <borntraeger@...ux.ibm.com>,
	Janosch Frank <frankja@...ux.ibm.com>,
	Claudio Imbrenda <imbrenda@...ux.ibm.com>,
	Heiko Carstens <hca@...ux.ibm.com>,
	Vasily Gorbik <gor@...ux.ibm.com>,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
	linux-s390@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Jonathan Corbet <corbet@....net>,
	Sven Schnelle <svens@...ux.ibm.com>
Subject: [PATCH] Documentation: Add "S390" to the swiotlb kernel parameter

The "swiotlb" kernel parameter is used on s390 for protected virt since
commit 64e1f0c531d1 ("s390/mm: force swiotlb for protected virtualization")
and thus should be marked in kernel-parameters.txt accordingly.

Signed-off-by: Thomas Huth <thuth@...hat.com>
---
 PS: I wonder whether we could remove IA-64 nowadays...?

 Documentation/admin-guide/kernel-parameters.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index b600df82669d..423427bf6e49 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6548,7 +6548,7 @@
 			This parameter controls use of the Protected
 			Execution Facility on pSeries.
 
-	swiotlb=	[ARM,IA-64,PPC,MIPS,X86,EARLY]
+	swiotlb=	[ARM,IA-64,PPC,MIPS,X86,S390,EARLY]
 			Format: { <int> [,<int>] | force | noforce }
 			<int> -- Number of I/O TLB slabs
 			<int> -- Second integer after comma. Number of swiotlb
-- 
2.45.2