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

On Thu, Mar 25, 2021 at 04:36:55PM -0400, Sasha Levin wrote:

On Thu, Mar 25, 2021 at 09:09:42PM +0100, Borislav Petkov wrote:

quoted

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!

quoted

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...

		    *on

		    :)
-- 
Thanks,
Sasha