From: Ian Campbell <ian.campbell@citrix.com>
To: Julien Grall <julien.grall@citrix.com>
Cc: Wei Liu <Wei.Liu2@citrix.com>,
Vijay Kilari <vijay.kilari@gmail.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Prasun Kapoor <Prasun.Kapoor@caviumnetworks.com>,
manish.jaggi@caviumnetworks.com,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
Stefano Stabellini <stefano.stabellini@citrix.com>
Subject: Re: Requesting for freeze exception for ARM/ITS patches
Date: Sat, 11 Jul 2015 10:21:04 +0100 [thread overview]
Message-ID: <1436606464.7019.4.camel@citrix.com> (raw)
In-Reply-To: <55A0C352.9050100@citrix.com>
On Sat, 2015-07-11 at 09:18 +0200, Julien Grall wrote:
> > As I explained in my reply to Jan I think this is underselling it a
> > little, since AIUI it should make it possible to boot Xen on ThunderX
> > and do useful things (like run guests).
>
> Well, PCI are able to support both legacy interrupt and MSI. If there is
> no MSI, the PCI will use the former. The performance may be "poor" but
> it will at least boot Xen on ThunderX and creating guest.
AIUI ThunderX's on-SoC PCI devices do not provide legacy PCI INTX
interrupts, only MSI/LPI interrupts. Perhaps someone from Cavium can
confirm whether or not this is the case.
Ian.
next prev parent reply other threads:[~2015-07-11 9:21 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-10 10:46 Requesting for freeze exception for ARM/ITS patches Vijay Kilari
2015-07-10 11:01 ` Jan Beulich
2015-07-10 15:52 ` Ian Campbell
2015-07-11 6:36 ` Julien Grall
2015-07-14 9:24 ` Vijay Kilari
2015-07-14 9:50 ` Ian Campbell
2015-07-14 9:59 ` Vijay Kilari
2015-07-10 16:07 ` Ian Campbell
2015-07-11 7:18 ` Julien Grall
2015-07-11 9:21 ` Ian Campbell [this message]
2015-07-13 21:58 ` Julien Grall
2015-07-14 10:02 ` Vijay Kilari
2015-07-14 13:31 ` Ian Campbell
2015-07-13 13:55 ` Wei Liu
2015-07-13 13:56 ` Wei Liu
2015-07-13 17:24 ` Stefano Stabellini
2015-07-13 21:50 ` Julien Grall
2015-07-14 7:49 ` Ian Campbell
2015-07-14 10:51 ` Stefano Stabellini
2015-07-16 14:08 ` Wei Liu
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