Re: [PATCH v2 0/6] CPER: Add Memory Error Section 2 support

[Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>]

On Mon, 19 Oct 2026 22:38:39 +0200
Pierre Gondois <pierre.gondois@arm.com> wrote:

> The support is mostly duplicated from Memory Error Section handling.
> Other than differences coming from the content of  Memory Error
> Section 1 and 2, differences in the support are:
> 
> - v2 do not rely on a compact "struct cper_mem_err_compact" struct.
> This structure was used to support older versions of the Memory
> Error Section (1). This is not needed for the new structure.
> 
> - The compact version is also used by the tracing framework.
> To avoid relying and propagating a non-standard record format,
> through trace event (cf. extlog_mem event) the new trace event
> prints each field individually.
> 
> The last patch of the serie was only build-tested due to the
> absence of relevant hardware. apei_mce_report_mem_error() and
> arch_apei_report_mem_error() implementations were also removed since
> last version.
> 
> It will also require a proper handling from the rasdaemon. Applying
> this last patch without rasdaemon support will silent the reports of
> Memory Error Section 2 error, cf. ras_userspace_consumers() check.

Hi Pierre,

I'd slow down a bit.  We are mid merge window and convention is normally
one version a week or so anyway.  Better to gather up feedback from
a number of folk and spin only one revision to cover it all.

Jonathan