Am 25/09/2023 um 19:23 schrieb Stoiko Ivanov:
> The latest amd64-microcode package in sid [0] (which probably will
> eventually make it to bookworm-security) has a change that requires
> the added patch to work properly.
>
> The changelog-entry refers to stable k.o branches only - but a quick
> look through the linux-firmware.git log identifies:
> `f2eb058afc57348cde66852272d6bf11da1eef8f` as relevant commit, which
> refers (as NOTE in the patch) to:
> a32b0f0db3f3 ("x86/microcode/AMD: Load late on both threads too")
> which applies cleanly (although I cherry-picked the patch from the
> 6.1.y stable branch to have the original commit in the commit message).
>
> quickly tested compiling and booting the result in a VM (however w/o
> a fitting CPU (Epyc Genoa or Bergamo) it should cause a change)
>
> reported in our Enterprise Support as potential culprit for one
> thread from 128 being reported as offline in `lscpu`
>
> [0]
> https://metadata.ftp-master.debian.org/changelogs//non-free-firmware/a/amd64-microcode/amd64-microcode_3.20230808.1.1_changelog
>
> Signed-off-by: Stoiko Ivanov <s.iva...@proxmox.com>
> ---
> ...de-AMD-Load-late-on-both-threads-too.patch | 32 +++++++++++++++++++
> 1 file changed, 32 insertions(+)
> create mode 100644
> patches/kernel/0018-x86-microcode-AMD-Load-late-on-both-threads-too.patch
>
>
applied, thanks!
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