[For reference, just in case someone digs the mailing list archive in
search for an answer. ]
Currently arm64 requires kernel version 4.7+ (see commit 943a6a00).
Cheers,
Claudio
2016-10-26 19:37 GMT+02:00 Henning Schild <[email protected]>:
> Am Wed, 26 Oct 2016 17:32:56 +0200
> schrieb Claudio Scordino <[email protected]>:
>
> > Hi all,
> >
> > is there any minimal kernel release for building/running Jailhouse ?
> >
> > The README is quite generic, talking about 3.9 (for Qemu) and 3.14.
> >
> > In the source code, however, I noticed a call to
> > pci_lock_rescan_remove() which, according to git, has been introduced
> > in release 3.14.
>
> The pci stuff is 3.14. But that is only built when CONFIG_PCI is set,
> otherwise its apparently 3.9.
> If you need to run jailhouse on something lower than that, the changes
> are usually trivial. Ask about them, we should have some old patches
> somewhere.
> If you want to know the "officially supported" lower bound i would say
> take the numbers from the README.
>
> The driver does not do much, so dependencies on the kernel are not
> high and changes should not happen too often. You should not expect
> dependencies for very recent kernels to become mandatory in the future.
> But at the same time wrapping the pci-stuff with "ifdef kver" just to
> get "officially" below an outdated 3.14 did not seem necessary so far.
> The pci stuff is just a convencience feature, unbinding drivers in the
> root cell before "removing" the hardware.
>
> The config generator might not work as expected on older kernels, but
> asking that question you are probably stuck with a nice ARM BSP and not
> on x86.
>
> Henning
>
> > Many thanks,
> >
> > Claudio
> >
>
>
--
Claudio Scordino, Ph.D.
Project Manager - Funded research projects
Evidence Srl
Via Carducci 56
56010 S.Giuliano Terme - Pisa - Italy
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Mobile: + 39 393 811 7491
Fax: +39 050 99 10 812
http://www.evidence.eu.com
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