Re: [PATCH 2/2] tpm: of: If available Use linux,sml-log to get the log and its size

Jarkko Sakkinen
2024-03-11T20:09:28Z

On Fri Mar 8, 2024 at 2:17 PM EET, Stefan Berger wrote:
>
>
> On 3/7/24 15:00, Jarkko Sakkinen wrote:
> > On Thu Mar 7, 2024 at 9:57 PM EET, Jarkko Sakkinen wrote:
> >> in short summary: s/Use/use/
> >>
> >> On Wed Mar 6, 2024 at 5:55 PM EET, Stefan Berger wrote:
> >>> If linux,sml-log is available use it to get the TPM log rather than the
> >>> pointer found in linux,sml-base. This resolves an issue on PowerVM and KVM
> >>> on Power where after a kexec the memory pointed to by linux,sml-base may
> >>> have been corrupted. Also, linux,sml-log has replaced linux,sml-base and
> >>> linux,sml-size on these two platforms.
> >>>
> >>> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
> >>
> >> So shouldn't this have a fixed tag, or not?
> >
> > In English: do we want this to be backported to stable kernel releases or not?
>
> Ideally, yes. v3 will have 3 patches and all 3 of them will have to be
> backported *together* and not applied otherwise if any one of them
> fails. Can this be 'guaranteed'?

All of them will end up to stable if the following conditions hold:

- All have a fixes tag.
- All have "Cc: stable@vger.kernel.org".
- We agree in the review process that they are all legit fixes.

BR, Jarkko