2022-07-28 04:58:42

by Eiichi Tsukata

Subject: [PATCH] docs/kernel-parameters: Update retbleed descriptions for "mitigations=" param

Updates descriptions for "mitigations=off" and "mitigations=auto,nosmt".

Signed-off-by: Eiichi Tsukata <[email protected]>
---
Documentation/admin-guide/kernel-parameters.txt | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index c0fdb04a0435..cc3ea8febc62 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3176,6 +3176,7 @@
no_entry_flush [PPC]
no_uaccess_flush [PPC]
mmio_stale_data=off [X86]
+ retbleed=off [X86]

Exceptions:
This does not have any effect on
@@ -3198,6 +3199,7 @@
mds=full,nosmt [X86]
tsx_async_abort=full,nosmt [X86]
mmio_stale_data=full,nosmt [X86]
+ retbleed=auto,nosmt [X86]

mminit_loglevel=
[KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this
--
2.37.1

2022-07-29 19:03:52

by tip-bot2 for Jacob Pan

Subject: [tip: x86/urgent] docs/kernel-parameters: Update descriptions for "mitigations=" param with retbleed

The following commit has been merged into the x86/urgent branch of tip:

Commit-ID: ea304a8b89fd0d6cf94ee30cb139dc23d9f1a62f
Gitweb: https://git.kernel.org/tip/ea304a8b89fd0d6cf94ee30cb139dc23d9f1a62f
Author: Eiichi Tsukata <[email protected]>
AuthorDate: Thu, 28 Jul 2022 04:39:07
Committer: Borislav Petkov <[email protected]>
CommitterDate: Fri, 29 Jul 2022 20:47:07 +02:00

docs/kernel-parameters: Update descriptions for "mitigations=" param with retbleed

Updates descriptions for "mitigations=off" and "mitigations=auto,nosmt"
with the respective retbleed= settings.

Signed-off-by: Eiichi Tsukata <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
---
Documentation/admin-guide/kernel-parameters.txt | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index c0fdb04..cc3ea8f 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3176,6 +3176,7 @@
no_entry_flush [PPC]
no_uaccess_flush [PPC]
mmio_stale_data=off [X86]
+ retbleed=off [X86]

Exceptions:
This does not have any effect on
@@ -3198,6 +3199,7 @@
mds=full,nosmt [X86]
tsx_async_abort=full,nosmt [X86]
mmio_stale_data=full,nosmt [X86]
+ retbleed=auto,nosmt [X86]

mminit_loglevel=
[KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this