Re: [PATCH] x86/tlb: Flush global mappings when KAISER is disabled

[Sasha Levin]

On Thu, Mar 25, 2021 at 09:09:42PM +0100, Borislav Petkov wrote:
> Hi stable folks,
>
> the patch below fixes kernels 4.4 and 4.9 booting on AMD platforms with
> PCID support. It doesn't have an upstream counterpart because it patches
> the KAISER code which didn't go upstream. It applies fine to both of the
> aforementioned kernels - please pick it up.

Queued up for 4.9 and 4.4, thanks!

> Jim Mattson reported that Debian 9 guests using a 4.9-stable kernel
> are exploding during alternatives patching:

(Cc Ben & Salvatore)

I'm not sure if 4.9 or Debian is still alive or not, but FYI...

--
Thanks,
Sasha