Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Dongli Zhang <dongli.zhang@oracle.com>
To:     iommu@lists.linux-foundation.org, linux-doc@vger.kernel.org,
        x86@kernel.org
Cc:     linux-kernel@vger.kernel.org, joe.jin@oracle.com,
        hch@infradead.org, m.szyprowski@samsung.com, tglx@linutronix.de,
        mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
        corbet@lwn.net
Subject: [PATCH v1 3/4] x86/swiotlb: fix param usage in boot-options.rst
Date:   Sat, 11 Jun 2022 01:25:13 -0700
Message-Id: <20220611082514.37112-4-dongli.zhang@oracle.com>
In-Reply-To: <20220611082514.37112-1-dongli.zhang@oracle.com>
References: <20220611082514.37112-1-dongli.zhang@oracle.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?1tw1+TTMjg5eOAveYTlus5WOdCzWtukQeQ3OYjxyVIrok5LUAdyikG2Jyxec?=
 =?us-ascii?Q?0Q69mV9ciVZzMYJEXBz9iUD3zhB0zGLeDfRh+EENSF78F2GdJDju8jy/O8xF?=
 =?us-ascii?Q?vKdu6NHUJyL/NDp8Jvv+s0Dk7heL5e/xDSEEPXRT+wPR1ONWjFYjft+MufQ9?=
 =?us-ascii?Q?I3/Qi7T+xFYgYnWjYGC9818hDsozAltBfb5UIagjctfQE7ODiPdPr1PqBy90?=
 =?us-ascii?Q?VXNOmylvugnNxciTx86tfoNi8Om9D5H2BiCqAMCgFdbYCy3IWEl7YbPFjCvG?=
 =?us-ascii?Q?TKJfA8qzRzQuFBrvuFCPMlFUhpinmPvLLu+Zogxz2Jb9nlSsJdI4+pRyWZPx?=
 =?us-ascii?Q?KqzWzOfo5E6Ggf4C8vIKzANn32eUtPTeBR79RFalkvBHsLrA9hRw7qVJRrBH?=
 =?us-ascii?Q?e0H5gc9UWyWv6HJeK8MOgjuxPWSMKVJ23J+ao5a7RSrPGbnoGXgIbnx4sVJk?=
 =?us-ascii?Q?rSPyvF7hWGbKvqIpCYoI0BwWb87lU/pVCIP7l/FcHpZt5ndJ/mQFa3MUjmWG?=
 =?us-ascii?Q?IjttvvB6dQ8nnw1Ae+yQ2+e1sD4oU7390HkpDw4Zd6MOXrbvrVtshrQg7dA6?=
 =?us-ascii?Q?h9Q6TAm8fVjuwMeDC9CJsb7TlzM5aHNecUnWeLxE+wQF/lb3QToTMDwQnRYX?=
 =?us-ascii?Q?6yuHwm46voCpsvpDHCpSaqU9n93Hhz3dFaQz0pNHWRrl3qrUMMD+7tM7yXLC?=
 =?us-ascii?Q?w6DkSDlU45jyBowGeOtFUWV6qFeGE1cPcgLuTytEvRk1IcvQTUAlxNQT03rr?=
 =?us-ascii?Q?ip5AdLMTPbdwSzHei022/1jY96dU0Nfl9F+um2YouvGFgIocy7hAnbmG6oZ7?=
 =?us-ascii?Q?Twbz0dSyNFAx4TS7npQ65+4J9kV42tDZ3Rw0qcHDEp4f9aeq5/KOh1DPASqC?=
 =?us-ascii?Q?4kKTHFJxJ5B0UQOXctzWvoWsJqKLhOdtjNsC+9JAfuNnjBTdraKi99UEGySr?=
 =?us-ascii?Q?/8EPtAJnOw4UADzH2V/Cp6YWI/tArPrTpysKQNWiGUScu7kHUJJYWwc8kHrD?=
 =?us-ascii?Q?YBoBKtjL5VwwuG02cX5LGngixudezWJ90q/UgJAmfCi0T7QVNwui2y/H4qDZ?=
 =?us-ascii?Q?S4oif4hn8JZn4ogugM/WyoK/R8s5LfREko0rJIYCbqHCVvokwut8Ia0lI2QB?=
 =?us-ascii?Q?bS/yay2GMcho/wgSViJurDCbgFWpu6DL3GB6gusIzos8NDUhQB7kzhv59Fk6?=
 =?us-ascii?Q?PSDqEZ/ZL0xrIzp2hk55Stk3BLnINtewquFJpyMimyN9t85h6yskjDrN6rCK?=
 =?us-ascii?Q?HbQrPWOdwIUeDEAV2QQpTLwkCmbP9PQbScUkgM1E68+ME88lDEDyaizKM/c0?=
 =?us-ascii?Q?6Rt8c64u4dQ8+LziulwaLwVA/hLX1oWuPCydpY9omRfQ2Sfq7uKJ4yfUZ1Zg?=
 =?us-ascii?Q?+tB7FazbAQqgut5/qGFqYWnj7oN2sOJ0PI66YeRk79vUdmDpuubyApW5okC0?=
 =?us-ascii?Q?T90DBxzRgaTGChjd/8ty/TJc+tel6mTxQXGTpKRNt2OzXKXXWZXEa8O0q+uI?=
 =?us-ascii?Q?xdqyXLlGUQHtWQWEKlMnRkuHTj9SwfceLp0n1UCD/Ssl657lOx3HMGfOLn/a?=
 =?us-ascii?Q?cuNz3YyNMhJPVfvY0Fn6OZwRiq17xHFI84Yftrz5S3xWigHknZcygO0ImC6f?=
 =?us-ascii?Q?6Iy7niCWz4Anh9LwEhX17n0dvVHQH1O3HsqA824fcOp/DsHCh4FU9GIZIa2+?=
 =?us-ascii?Q?uN7jR0F6my5ALUb9KGOmtkqsSjr3uNgGbj+V169V5KI4hdhGq8EZ/5svn0Th?=
 =?us-ascii?Q?Q9zU0QX+Imuzi7r1DHj/3RJTU3gvc4k=3D?=
X-OriginatorOrg: oracle.com
X-MS-Exchange-CrossTenant-Network-Message-Id: e35599cb-bd87-44bd-78e1-08da4b83f679
X-MS-Exchange-CrossTenant-AuthSource: BYAPR10MB2663.namprd10.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jun 2022 08:25:37.6020
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: f6ZTfGx63pjQkcUMLyVixUiipLcXvNPXsgdLlY4aiDqDGUQTViMquf0Vg7J4Q0Mk554hwTk1FToI1P4j8pLTug==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR10MB2945
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.517,18.0.874
 definitions=2022-06-11_03:2022-06-09,2022-06-11 signatures=0
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 phishscore=0
 mlxlogscore=999 suspectscore=0 mlxscore=0 spamscore=0 bulkscore=0
 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1
 engine=8.12.0-2204290000 definitions=main-2206110032
X-Proofpoint-GUID: QlmCXfOt-aUuef0hK4KbGk4YzcyZQ3EM
X-Proofpoint-ORIG-GUID: QlmCXfOt-aUuef0hK4KbGk4YzcyZQ3EM
X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,
        RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE
        autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Fix the usage of swiotlb param in kernel doc.

Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
---
 Documentation/x86/x86_64/boot-options.rst | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Documentation/x86/x86_64/boot-options.rst b/Documentation/x86/x86_64/boot-options.rst
index 03ec9cf01181..cbd14124a667 100644
--- a/Documentation/x86/x86_64/boot-options.rst
+++ b/Documentation/x86/x86_64/boot-options.rst
@@ -287,11 +287,13 @@ iommu options only relevant to the AMD GART hardware IOMMU:
 iommu options only relevant to the software bounce buffering (SWIOTLB) IOMMU
 implementation:
 
-    swiotlb=<pages>[,force]
-      <pages>
-        Prereserve that many 128K pages for the software IO bounce buffering.
+    swiotlb=<slots>[,force,noforce]
+      <slots>
+        Prereserve that many 2K slots for the software IO bounce buffering.
       force
         Force all IO through the software TLB.
+      noforce
+        Do not initialize the software TLB.
 
 
 Miscellaneous
-- 
2.17.1