From b16c99ab62a902b1f61b9d4fe63273cd614e757c Mon Sep 17 00:00:00 2001 From: raja-grewal Date: Mon, 29 Jan 2024 13:39:40 +0000 Subject: [PATCH] Remove hardcoded `spec_rstack_overflow` setting --- etc/default/grub.d/40_cpu_mitigations.cfg | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/etc/default/grub.d/40_cpu_mitigations.cfg b/etc/default/grub.d/40_cpu_mitigations.cfg index 7c55707..9bd9fc5 100644 --- a/etc/default/grub.d/40_cpu_mitigations.cfg +++ b/etc/default/grub.d/40_cpu_mitigations.cfg @@ -70,6 +70,8 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX mmio_stale_data=full,nosmt" GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX retbleed=auto,nosmt" ## Control RAS overflow mitigation on AMD Zen CPUs. +## The current default kernel parameter is 'spec_rstack_overflow=safe-ret' +## This default will used until provided sufficient evidence to modify. ## ## https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html -GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX spec_rstack_overflow=safe-ret" +