Kevin Wolf <kw...@redhat.com> writes: > Am 04.09.2023 um 18:25 hat Daniel P. Berrangé geschrieben: >> By the time of the 8.2.0 release, it will have been 2 years and 6 >> releases since we accidentally broke setting of array properties >> for user creatable devices: >> >> https://gitlab.com/qemu-project/qemu/-/issues/1090 > > Oh, nice!
Nice? *Awesome*! > Well, maybe that sounds a bit wrong, but the syntax that was broken was > problematic and more of a hack, A monstrosity, in my opinion. I tried to strangle it in the crib, but its guardians wouldn't let me. Can dig up references for the morbidly curious. > and after two years there is clearly no > need to bring the exact same syntax back now. Exactly. > So I'd suggest we bring the funcionality back, but with proper QAPI > lists instead of len-foo/foo[*]. > > If we ever want to continue with command line QAPIfication, this change > would already solve one of the compatibility concerns we've had in the > past. > >> I still think for user creatable devices we'd be better off just >> mandating the use of JSON syntax for -device and thus leveraging >> the native JSON array type. This patch was the quick fix for the >> existing array property syntax though. > > I agree, let's not apply this one. It puts another ugly hack in the > common QOM code path just to bring back the old ugly hack in qdev. Since -device supports both JSON and dotted keys, we'd still offer a (differently ugly) solution for users averse to JSON.