Re: [linux-linus test] 152672: regressions - FAIL

[Jürgen Groß <jgross@xxxxxxxx>]

On 24.08.20 08:44, Jan Beulich wrote:
> On 23.08.2020 07:52, Jürgen Groß wrote:
> > On 23.08.20 07:24, osstest service owner wrote:
> > > flight 152672 linux-linus real [real]
> > > http://logs.test-lab.xenproject.org/osstest/logs/152672/
> > >
> > > Regressions :-(
> > With 32-bit pv support now removed from the kernel the associated tests
> > should be removed for the upstream kernel, too.
> Not exactly sure how things are organized, but isn't the 2nd
> <arch> in the test identifier currently specifying "Dom0
> bitness" as a whole? If so, shouldn't testing a 32-bit tool
> stack build continue to be done (under this same name perhaps),
> just with a 64-bit kernel now? In which case the next question
Only the linux-linus tests are affected right now. "Old" kernels can
still be used for 32-bit tests. And PVH ones, of course.

> is whether the 64-bit kernel is actually fully ready to be used
> this way. I'm afraid it isn't, as there's still no privcmd
> compat ioctl handling afaict, which I would say should have
> been a prereq for removing PV support from 32-bit kernels.
No, I don't think so.

32-bit pv linux kernels are missing Meltdown mitigation and using a
32-bit toolstack on a 64-bit kernel is no feature I'd like to encourage.


Juergen