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Add doc on entropy related failure on AMD Zen 5 CPUs

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raja-grewal 2025-11-02 15:54:34 +11:00 • committed by GitHub
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etc/default/grub.d/40_kernel_hardening.cfg#security-misc-shared
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@ -306,6 +306,7 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX efi=disable_early_pci_dma"
## https://lkml.org/lkml/2022/6/5/271 ## https://lkml.org/lkml/2022/6/5/271
## https://lwn.net/Articles/961121/ ## https://lwn.net/Articles/961121/
## https://lore.kernel.org/lkml/aPFDn-4Cm6n0_3_e@gourry-fedora-PF4VCD3F/ ## https://lore.kernel.org/lkml/aPFDn-4Cm6n0_3_e@gourry-fedora-PF4VCD3F/
## https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7055.html
## ##
## KSPP=yes ## KSPP=yes
## KSPP sets CONFIG_RANDOM_TRUST_BOOTLOADER=y and CONFIG_RANDOM_TRUST_CPU=y. ## KSPP sets CONFIG_RANDOM_TRUST_BOOTLOADER=y and CONFIG_RANDOM_TRUST_CPU=y.