Messages in this thread Patch in this message | | | From | Ramakrishna Saripalli <> | Subject | [PATCH 4/4] x86/speculation: Add PSF mitigation kernel parameters | Date | Wed, 21 Apr 2021 04:01:17 -0500 |
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From: Ramakrishna Saripalli <rk.saripalli@amd.com>
PSF mitigation introduces a new kernel parameter called predict_store_fwd.
Signed-off-by: Ramakrishna Saripalli<rk.saripalli@amd.com> --- 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
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