Re: kern/52462: aac driver (and possibly others) needs MPification

[Havard Eidnes <he%NetBSD.org@localhost>]

>> >  Ok. For the next try: remove the patch and simply declare ld as non-mpsafe
>> >  by removing the D_MPSAFE flags.
>>
>> OK, did that with
> ...
>> and now the machine behaves as it should, and no longer panics or
>> wedges.
>
> Good.
>
> http://ftp.netbsd.org/pub/NetBSD/misc/mlelstv/ld.diff
>
> is a patch that takes KERNEL_LOCK when calling into the backend
> (hopefully without the locking order violation), except for
> i2o,cac,nvme,virtio and sdmmc which are tagged as safe.

That appears to work nicely as well; I extracted the full
7.1.0_PATCH distribution on a scratch file system, and where that
crashed after 1.29 x sets, it completed without issue, so I'd
call that a success as well, thanks!

Regards,

- Håvard