From: "Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>
To: Samuel Thibault <samuel.thibault@ens-lyon.org>,
xen-devel <xen-devel@lists.xen.org>, HW42 <hw42@ipsumj.de>
Subject: Re: PCI passthrough with stubdomain
Date: Fri, 23 Sep 2016 23:04:02 +0200 [thread overview]
Message-ID: <20160923210402.GF31510@mail-itl> (raw)
In-Reply-To: <20160923210042.GA18469@var.home>
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On Fri, Sep 23, 2016 at 11:00:42PM +0200, Samuel Thibault wrote:
> Marek Marczykowski-Górecki, on Fri 23 Sep 2016 20:56:43 +0200, wrote:
> > 1. How to do this? ;) I.e. what synchronization primitives are available
> > in mini-os? Just pthread_mutex_lock/unlock?
>
> pthread_mutex_lock are nops :o) because we don't have pthread_create.
> But for mini-os itself there are synchronization primitives, yes:
> there are also semaphores (./include/semaphore.h) and waitqueues
> (include/wait.h).
Ok, will take a look at this. Thanks.
> > 2. Wouldn't the same problem be with other stubdomain implementations?
> > Like Linux + qemu-xen or rumprun + qemu-xen? At least in Linux case
> > pcifront driver will also needs some time for initialization...
>
> Possibly, I don't know about them, they didn't exist at the time ;)
Actually they don't exist even now ;) But hopefully will, in the near
future...
--
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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next prev parent reply other threads:[~2016-09-23 21:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-23 8:48 PCI passthrough with stubdomain Marek Marczykowski-Górecki
2016-09-23 9:22 ` Jan Beulich
2016-09-23 13:27 ` Samuel Thibault
2016-09-23 14:25 ` Marek Marczykowski-Górecki
2016-09-23 14:51 ` Samuel Thibault
2016-09-23 18:56 ` Marek Marczykowski-Górecki
2016-09-23 21:00 ` Samuel Thibault
2016-09-23 21:04 ` Marek Marczykowski-Górecki [this message]
2016-09-23 15:35 ` Konrad Rzeszutek Wilk
2016-09-23 18:47 ` Marek Marczykowski-Górecki
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