[tip: x86/misc] Documentation/kernel-parameters: Add spec_rstack_overflow to mitigations=off

[tip-bot2 for Borislav Petkov (AMD)]

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

Commit-ID:     49527ca264341f9b6278089e274012a2db367ebf
Gitweb:        https://git.kernel.org/tip/49527ca264341f9b6278089e274012a2db367ebf
Author:        Borislav Petkov (AMD) <bp@xxxxxxxxx>
AuthorDate:    Thu, 18 Jan 2024 17:36:00 +01:00
Committer:     Borislav Petkov (AMD) <bp@xxxxxxxxx>
CommitterDate: Tue, 23 Jan 2024 19:52:53 +01:00

Documentation/kernel-parameters: Add spec_rstack_overflow to mitigations=off

mitigations=off disables the SRSO mitigation too. Add it to the list.

Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
Link: https://lore.kernel.org/r/20240118163600.17857-1-bp@xxxxxxxxx
---
 Documentation/admin-guide/kernel-parameters.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 31b3a25..64960f5 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3399,6 +3399,7 @@
 					       nospectre_v1 [X86,PPC]
 					       nospectre_v2 [X86,PPC,S390,ARM64]
 					       retbleed=off [X86]
+					       spec_rstack_overflow=off [X86]
 					       spec_store_bypass_disable=off [X86,PPC]
 					       spectre_v2_user=off [X86]
 					       srbds=off [X86,INTEL]