From: "H. Peter Anvin" <hpa@zytor.com>
To: Olaf Hering <olaf@aepfle.de>, KY Srinivasan <kys@microsoft.com>
Cc: Jan Beulich <JBeulich@suse.com>, "bp@alien8.de" <bp@alien8.de>,
"apw@canonical.com" <apw@canonical.com>,
"x86@kernel.org" <x86@kernel.org>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"devel@linuxdriverproject.org" <devel@linuxdriverproject.org>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"jasowang@redhat.com" <jasowang@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH RESEND 1/1] X86: Handle Hyper-V vmbus interrupts as special hypervisor interrupts
Date: Thu, 24 Jan 2013 13:04:09 -0600 [thread overview]
Message-ID: <4d9be218-acf5-45a6-aeda-cee592fd74c8@email.android.com> (raw)
In-Reply-To: <20130124185943.GA19194@aepfle.de>
Can't you discover Xen emulation by looking for Xen first? Or does Xen go "stealth"?
Olaf Hering <olaf@aepfle.de> wrote:
>On Thu, Jan 24, KY Srinivasan wrote:
>
>
>> > Question is - considering you stated that this is supported
>> > starting in Win8, doesn't Hyper-V itself announce that
>> > capability in some explicit way?
>>
>> Thanks Jan. Unfortunately I don't think tis interrupt delivery model
>> is specified via a "feature" bit (I will check with the Windows
>guys).
>> Perhaps, we can have a Hyper-V specific compilation switch to address
>> the Xen emulation issue.
>
>Would that really help if both pvops XEN_PVHVM and HYPERV are enabled
>in
>the config? I assume at this point the access to the DMI data is not
>yet
>possible.
>
>Olaf
--
Sent from my mobile phone. Please excuse brevity and lack of formatting.
next prev parent reply other threads:[~2013-01-24 19:12 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-24 1:17 [PATCH RESEND 1/1] X86: Handle Hyper-V vmbus interrupts as special hypervisor interrupts K. Y. Srinivasan
2013-01-24 8:48 ` Jan Beulich
2013-01-24 16:07 ` KY Srinivasan
2013-01-24 16:15 ` Jan Beulich
2013-01-24 18:48 ` KY Srinivasan
2013-01-24 18:59 ` Olaf Hering
2013-01-24 19:03 ` KY Srinivasan
2013-01-25 7:32 ` Jan Beulich
2013-01-24 19:04 ` H. Peter Anvin [this message]
2013-01-24 19:23 ` Olaf Hering
2013-01-24 19:30 ` H. Peter Anvin
2013-01-25 7:30 ` Jan Beulich
2013-01-25 7:35 ` Jan Beulich
2013-01-25 13:58 ` Olaf Hering
2013-01-24 19:10 ` H. Peter Anvin
2013-01-25 7:31 ` Jan Beulich
-- strict thread matches above, loose matches on Subject: below --
2013-01-24 1:56 K. Y. Srinivasan
2013-01-24 9:28 ` Borislav Petkov
2013-01-24 12:11 ` H. Peter Anvin
2013-01-24 17:35 ` Borislav Petkov
2013-01-24 17:36 ` H. Peter Anvin
2013-01-24 17:42 ` KY Srinivasan
2013-01-18 1:55 K. Y. Srinivasan
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