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GDS mitigation for CPUs

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raja-grewal 2024-05-01 13:50:42 +10:00 committed by GitHub
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etc/default/grub.d/40_cpu_mitigations.cfg
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@ -78,3 +78,10 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX retbleed=auto,nosmt"
## This default will used until provided sufficient evidence to modify.
##
## https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html
## Mitigates Gather Data Sampling (GDS) vulnerability.
## Note for systems that have not received a suitable microcode update this will
## entirely disable use of the AVX instructions set.
##
## https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/gather_data_sampling.html
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX gather_data_sampling=force"