[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH ARM v8 2/4] mini-os: arm: interrupt controller





On 14/11/2014 11:42, Ian Campbell wrote:
On Fri, 2014-11-14 at 11:33 +0000, Julien Grall wrote:
Though IIRC, mini-os for ARM is not yet SMP.

It's difficult to see what needs to be done to support code that
doesn't exist yet. For example, would gic_init be called once, or once
per processor? Before or after the other processors are started?

Some part of the code maybe necessary: setting PPIs/SGIs... You can give
a look to Linux/Xen GIC drivers to have an idea on what is necessary.

This would be necessary as part of the port of mini-os to support SMP. I
don't see why it should be necessary now, going to SMP is surely going
to require a bunch of refactoring in other places too (Xen itself
certainly did).

I just answered to his question. I didn't asked for changing this code right now.

--
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.