From: Ian Campbell <Ian.Campbell@citrix.com>
To: Julien Grall <julien.grall@linaro.org>
Cc: Thomas Leonard <talex5@gmail.com>,
David Scott <Dave.Scott@eu.citrix.com>,
Anil Madhavapeddy <anil@recoil.org>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
Samuel Thibault <samuel.thibault@ens-lyon.org>
Subject: Re: [PATCH ARM v8 2/4] mini-os: arm: interrupt controller
Date: Fri, 14 Nov 2014 11:42:33 +0000 [thread overview]
Message-ID: <1415965353.7113.16.camel@citrix.com> (raw)
In-Reply-To: <5465E89C.1030701@linaro.org>
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).
Ian.
next prev parent reply other threads:[~2014-11-14 11:43 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-03 9:20 [PATCH ARM v8 0/4] mini-os: initial ARM support Thomas Leonard
2014-10-03 9:20 ` [PATCH ARM v8 1/4] mini-os: arm: time Thomas Leonard
2014-10-21 10:50 ` Ian Campbell
2014-10-21 14:07 ` [PATCH incomplete] xen: arm: wallclock support (incomplete, needs work/refactoring) Ian Campbell
2014-10-26 9:51 ` [PATCH ARM v8 1/4] mini-os: arm: time Thomas Leonard
2014-10-27 10:34 ` Ian Campbell
2014-11-13 16:29 ` Thomas Leonard
2014-11-14 10:29 ` Ian Campbell
2014-11-19 20:57 ` Konrad Rzeszutek Wilk
2015-01-08 15:52 ` Ian Campbell
2015-01-08 15:58 ` Thomas Leonard
2015-01-08 16:04 ` Ian Campbell
2014-10-03 9:20 ` [PATCH ARM v8 2/4] mini-os: arm: interrupt controller Thomas Leonard
2014-10-21 11:00 ` Ian Campbell
2014-10-21 14:26 ` Julien Grall
2014-10-21 15:16 ` Ian Campbell
2014-10-21 15:22 ` Julien Grall
2014-10-21 15:35 ` Ian Campbell
2014-10-21 16:03 ` Julien Grall
2014-10-21 18:14 ` Anil Madhavapeddy
2014-10-21 19:18 ` Ian Campbell
2014-10-21 21:54 ` Samuel Thibault
2014-10-22 9:03 ` Ian Campbell
2014-10-22 13:06 ` Julien Grall
2014-10-22 13:14 ` Samuel Thibault
2014-10-28 15:15 ` Thomas Leonard
2014-10-28 15:25 ` Julien Grall
2014-10-28 15:43 ` Thomas Leonard
2014-10-28 15:51 ` Julien Grall
2014-11-14 10:22 ` Thomas Leonard
2014-11-14 11:33 ` Julien Grall
2014-11-14 11:42 ` Ian Campbell [this message]
2014-11-14 11:48 ` Julien Grall
2014-11-14 12:01 ` Ian Campbell
2014-10-03 9:20 ` [PATCH ARM v8 3/4] mini-os: arm: build system Thomas Leonard
2014-10-21 11:44 ` Ian Campbell
2014-10-21 21:50 ` Samuel Thibault
2014-10-22 9:01 ` Ian Campbell
2014-10-22 9:59 ` Samuel Thibault
2014-10-26 9:46 ` Thomas Leonard
2014-10-26 9:55 ` Samuel Thibault
2014-10-26 10:25 ` Thomas Leonard
2014-11-17 11:42 ` Thomas Leonard
2014-11-17 11:45 ` Ian Campbell
2014-11-17 11:47 ` Andrew Cooper
2014-11-17 11:47 ` Samuel Thibault
2014-10-03 9:20 ` [PATCH ARM v8 4/4] mini-os: arm: show registers, stack and exception vector on fault Thomas Leonard
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