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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Apr 2021 09:01:37.2443 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e6c7b544-3933-4977-5c4f-08d904a41213 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT028.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB5451 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ramakrishna Saripalli PSF mitigation introduces a new kernel parameter called predict_store_fwd. Signed-off-by: Ramakrishna Saripalli --- Documentation/admin-guide/kernel-parameters.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 04545725f187..58f6bd02385b 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3940,6 +3940,11 @@ Format: {"off"} Disable Hardware Transactional Memory + predict_store_fwd [X86] This option controls PSF mitigation + off - Turns on PSF mitigation. + on - Turns off PSF mitigation. + default : on. + preempt= [KNL] Select preemption mode if you have CONFIG_PREEMPT_DYNAMIC none - Limited to cond_resched() calls -- 2.25.1