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

Sasha Levin
2021-03-25T23:21:00Z

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:
>>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...
*on

:)
--
Thanks,
Sasha