From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Stefano Stabellini <sstabellini@kernel.org>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>,
x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Jiang Liu <jiang.liu@linux.intel.com>,
"K. Y. Srinivasan" <kys@microsoft.com>,
linux-kernel@vger.kernel.org, konrad.wilk@oracle.com,
david.vrabel@citrix.com, jgross@suse.com
Subject: Re: Xen regression, Was: [PATCH] x86/irq: Probe for PIC presence before allocating descs for legacy IRQs
Date: Tue, 12 Apr 2016 21:27:37 -0400 [thread overview]
Message-ID: <570DA089.6060507@oracle.com> (raw)
In-Reply-To: <alpine.DEB.2.10.1604121615110.23347@sstabellini-ThinkPad-X260>
On 04/12/2016 07:15 PM, Stefano Stabellini wrote:
> On Tue, 12 Apr 2016, Boris Ostrovsky wrote:
>> On 04/12/2016 05:56 PM, Stefano Stabellini wrote:
>>> I am not sure, maybe you didn't have CONFIG_SPARSE_IRQ?
>>> But I am certain that 4.6-rc2, with the attached config, fails as Dom0
>>> on QEMU with the following sequence of calls:
>> I did have CONFIG_SPARSE_IRQ and I just rebuilt 4.5.0 with your config
>> (4.6-rc3 doesn't build for me for some reason) and that booted dom0 as well.
>>
>> BTW, what do you mean by "dom0 on QEMU"?
>
> I am running Xen and Linux inside a QEMU x86_64 emulated machine (nested
> virt).
This I, of course, never tried.
But given that things work in a single-level virt, doesn't this imply
that perhaps there is something in the emulation that's not quite right?
-boris
next prev parent reply other threads:[~2016-04-13 1:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-02 13:24 Vitaly Kuznetsov
2015-11-02 19:09 ` Thomas Gleixner
2016-04-12 2:08 ` Xen regression, Was: " Stefano Stabellini
2016-04-12 8:37 ` Vitaly Kuznetsov
2016-04-12 13:22 ` Boris Ostrovsky
2016-04-12 18:06 ` Stefano Stabellini
2016-04-12 19:02 ` Boris Ostrovsky
2016-04-12 21:14 ` Stefano Stabellini
2016-04-12 21:34 ` Boris Ostrovsky
2016-04-12 21:56 ` Stefano Stabellini
2016-04-12 22:33 ` Boris Ostrovsky
2016-04-12 23:15 ` Stefano Stabellini
2016-04-13 1:27 ` Boris Ostrovsky [this message]
2016-04-13 17:36 ` Boris Ostrovsky
2016-04-13 19:10 ` Boris Ostrovsky
2016-04-13 22:28 ` Luis R. Rodriguez
2016-04-13 22:38 ` Stefano Stabellini
2016-04-14 12:45 ` Boris Ostrovsky
2016-04-14 13:45 ` David Vrabel
2016-04-14 14:46 ` Boris Ostrovsky
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