Re: [PATCH v10 00/21] Add ACPI CPER firmware first error injection on ARM emulation

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On Tue, 24 Sep 2024 15:00:58 +0200
Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> wrote:

> Em Tue, 17 Sep 2024 14:15:19 +0200
> Igor Mammedov <imammedo@xxxxxxxxxx> escreveu:
> 
> > I'm done with this round of review.
> > 
> > Given that the series accumulated a bunch of cleanups,
> > I'd suggest to move all cleanups/renamings not related
> > to new HEST lookup and new src id mapping to the beginning
> > of the series, so once they reviewed they could be split up into
> > a separate series that could be merged while we are ironing down
> > the new functionality.   
> 
> I've rebased the series placing the preparation stuff (cleanups
> and renames) at the beginning. So, what I have now is:
> 
> 1) preparation patches:
> 
> 41709f0898e1 acpi/ghes: get rid of ACPI_HEST_SRC_ID_RESERVED
> 5409daa41c78 acpi/ghes: simplify acpi_ghes_record_errors() code
> 2539f1f662b9 acpi/ghes: better handle source_id and notification
> 3f19400549c1 acpi/ghes: Remove a duplicated out of bounds check
> f0b06ecede46 acpi/ghes: Change the type for source_id
> 9f08301ac195 acpi/ghes: Prepare to support multiple sources on ghes
> 2426cd76e868 acpi/ghes: make the GHES record generation more generic
> 3fb7ec864700 acpi/ghes: better name GHES memory error function
> 1a22dad3211e acpi/ghes: don't crash QEMU if ghes GED is not found
> 726968d4ee20 acpi/ghes: rename etc/hardware_error file macros
> f562380da7ce docs: acpi_hest_ghes: fix documentation for CPER size

> 69850f550f99 acpi/generic_event_device: add an APEI error device
this one doesn't belong to clean ups, I think.
Lets move this to #3 part

> 
> Patches were changed to ensure that they won't be add any new
> new features. They are just code shift in order to make the diff
> of the next patches smaller.
> 
> There is a small point here: the logic was simplified to only
> support a single source ID (I added an assert() to enforce it) and
> simplified the calculus in preparation for the HEST and migration
> series.
> 
> 
> 2) add a BIOS pointer to HEST, using it. The migration stuff
> will be along those:
> 
> c24f1a8708e3 acpi/ghes: add a firmware file with HEST address
> 853dce23ec39 acpi/ghes: Use HEST table offsets when preparing GHES records
> c148716fd7c8 acpi/generic_event_device: Update GHES migration to cover hest addr
> 
> Up to that, still no new features, but the offset calculus will be
> relative to HEST table and will use the bios pointers stored there;
> 
> 3) Add support for generic error inject:
> 
> f5ec0d197d82 acpi/ghes: add a notifier to notify when error data is ready
> f5e015537209 arm/virt: Wire up a GED error device for ACPI / GHES
> 3b6692dbf473 qapi/acpi-hest: add an interface to do generic CPER error injection
> 620a5a49f218 scripts/ghes_inject: add a script to generate GHES error inject
> 
> 4) MPIDR property:
> 2dd6e3aae450 target/arm: add an experimental mpidr arm cpu property object
> 02c88cd4daa2 scripts/arm_processor_error.py: retrieve mpidr if not filled
> 
> I'm still testing if the rebase didn't cause any issues. So, the above
> may still change a little bit. I also need to address your comments to the
> cleanup patches and work at the migration, but just want to double check if
> this is what you want.
> 
> If OK to you, my plan is to submit you the cleanup patches after I
> finish testing the hole series.
> 
> The migration logic will require some time, and I don't want to bother
> with the cleanup stuff while doing it. So, perhaps while I'm doing it,
> you could review/merge the cleanups.
> 
> We can do the same for each of the 4 above series of patches, as it
> makes review simpler as there will be less patches to look into on
> each series.
> 
> Would it work for you?

other than nit above, LGTM

> 
> Thanks,
> Mauro
> 





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