Re: [PATCH 0/4] hw/s390x: Alias @dump-skeys -> @dump-s390-skey and deprecate
On 30/05/2024 09.45, Philippe Mathieu-Daudé wrote:
We are trying to unify all qemu-system-FOO to a single binary.
In order to do that we need to remove QAPI target specific code.
@dump-skeys is only available on qemu-system-s390x. This series
rename it as @dump-s390-skey, making it available on other
binaries. We take care of backward compatibility via deprecation.
Philippe Mathieu-Daudé (4):
hw/s390x: Introduce the @dump-s390-skeys QMP command
hw/s390x: Introduce the 'dump_s390_skeys' HMP command
hw/s390x: Deprecate the HMP 'dump_skeys' command
hw/s390x: Deprecate the QMP @dump-skeys command
Why do we have to rename the command? Just for the sake of it? I think
renaming HMP commands is maybe ok, but breaking the API in QMP is something
you should consider twice.
And even if we decide to rename ... maybe we should discuss whether it makes
sense to come up with a generic command instead: As far as I know, ARM also
has something similar, called MTE. Maybe we also want to dump MTE keys one
day? So the new command should maybe be called "dump-memory-keys" instead?
Or should it maybe rather be an option to the existing "dump-guest-memory"
command instead?
Thomas