From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: "Roger Pau Monné" <roger.pau@citrix.com>,
"Jan Beulich" <JBeulich@suse.com>,
"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>
Cc: Wei Liu <wei.liu2@citrix.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Tim Deegan <tim@xen.org>, Paul Durrant <paul.durrant@citrix.com>,
David Vrabel <david.vrabel@citrix.com>,
xen-devel <xen-devel@lists.xenproject.org>,
Samuel Thibault <samuel.thibault@ens-lyon.org>
Subject: Re: HVMlite ABI specification DRAFT B + implementation outline
Date: Wed, 10 Feb 2016 10:14:28 -0500 [thread overview]
Message-ID: <56BB53D4.8010405@oracle.com> (raw)
In-Reply-To: <56BB4E80.6070800@citrix.com>
On 02/10/2016 09:51 AM, Roger Pau Monné wrote:
>
> The detection of local APIC and IO APICs is quite isolated from each
> other, and the failure to find any IO APICs should not prevent local
> APICs from being enabled. Although I don't think there's any hardware
> with this setup, such configuration would be valid from an ACPI point of
> view. I've of course not tested this in any way, so those are only
> observations by a quick look at the code. I cannot speak about Linux.
I believe Linux should be able to handle this as well:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/arch/x86/kernel/acpi/boot.c?id=refs/tags/v4.5-rc3#n1140
I also removed ioapic entries from hvmloader's ACPI builder and the
(HVM) guest came up with no immediately visible issues.
-boris
next prev parent reply other threads:[~2016-02-10 15:14 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-08 19:03 HVMlite ABI specification DRAFT B + implementation outline Roger Pau Monné
2016-02-08 21:26 ` Boris Ostrovsky
2016-02-09 10:56 ` Andrew Cooper
2016-02-09 11:58 ` Roger Pau Monné
2016-02-09 12:10 ` Jan Beulich
2016-02-09 13:00 ` Roger Pau Monné
2016-02-09 13:41 ` Jan Beulich
2016-02-09 16:32 ` Roger Pau Monné
2016-02-09 16:41 ` Jan Beulich
2016-02-09 14:36 ` Boris Ostrovsky
2016-02-09 14:42 ` Andrew Cooper
2016-02-09 14:48 ` Jan Beulich
2016-02-09 13:24 ` Jan Beulich
2016-02-09 15:06 ` Stefano Stabellini
2016-02-09 16:15 ` Jan Beulich
2016-02-09 16:17 ` David Vrabel
2016-02-09 16:28 ` Jan Beulich
2016-02-09 16:26 ` Stefano Stabellini
2016-02-09 16:33 ` Jan Beulich
2016-02-10 12:01 ` Roger Pau Monné
2016-02-10 12:53 ` Jan Beulich
2016-02-10 14:51 ` Roger Pau Monné
2016-02-10 15:14 ` Boris Ostrovsky [this message]
2016-02-09 15:14 ` Boris Ostrovsky
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