RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-10-09 Thread KY Srinivasan
nical.com; > jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > On 09/27/2013 08:35 AM, KY Srinivasan wrote: > > > > Thanks Olaf. Could you subm

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-10-09 Thread H. Peter Anvin
On 09/27/2013 08:35 AM, KY Srinivasan wrote: > > Thanks Olaf. Could you submit the patch. > Haven't heard anything from Olaf... could you fold in the fix and resumbit? -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-10-09 Thread H. Peter Anvin
On 09/27/2013 08:35 AM, KY Srinivasan wrote: Thanks Olaf. Could you submit the patch. Haven't heard anything from Olaf... could you fold in the fix and resumbit? -hpa -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-10-09 Thread KY Srinivasan
...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On 09/27/2013 08:35 AM, KY Srinivasan wrote: Thanks Olaf. Could you submit the patch. Haven't heard anything from Olaf... could

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-10-02 Thread KY Srinivasan
rg; o...@aepfle.de; > a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; > jbeul...@suse.com; b...@alien8.de; dmitry.torok...@gmail.com > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > On 09/23/2013 06:02 AM, KY Srinivasan wro

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-10-02 Thread KY Srinivasan
; jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de; dmitry.torok...@gmail.com Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On 09/23/2013 06:02 AM, KY Srinivasan wrote: Peter, Please let me know

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-27 Thread KY Srinivasan
..@redhat.com; > t...@linutronix.de; h...@zytor.com; jbeul...@suse.com; b...@alien8.de > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > On Fri, Sep 27, KY Srinivasan wrote: > > > > This leads to build errors on 32bi

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-27 Thread Olaf Hering
On Fri, Sep 27, KY Srinivasan wrote: > > This leads to build errors on 32bit: > > > > linux-3.12-rc2/arch/x86/kernel/cpu/mshyperv.c:88: undefined reference to > > `__udivdi3' > > > > Up to now I have only tested on 64bit, sorry for that. > > Thanks Olaf. I am travelling currently; I will fix

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-27 Thread KY Srinivasan
..@redhat.com; > t...@linutronix.de; h...@zytor.com; jbeul...@suse.com; b...@alien8.de > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > On Tue, Sep 03, K. Y. Srinivasan wrote: > > > Hyper-V supports a mechanism f

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-27 Thread Olaf Hering
On Tue, Sep 03, K. Y. Srinivasan wrote: > Hyper-V supports a mechanism for retrieving the local APIC frequency.Use this > and bypass > the calibration code in the kernel. This would allow us to boot the Linux > kernel as a > "modern VM" on Hyper-V where many of the legacy devices (such as PIT)

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-27 Thread Olaf Hering
On Tue, Sep 03, K. Y. Srinivasan wrote: Hyper-V supports a mechanism for retrieving the local APIC frequency.Use this and bypass the calibration code in the kernel. This would allow us to boot the Linux kernel as a modern VM on Hyper-V where many of the legacy devices (such as PIT) are not

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-27 Thread KY Srinivasan
...@linutronix.de; h...@zytor.com; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On Tue, Sep 03, K. Y. Srinivasan wrote: Hyper-V supports a mechanism for retrieving the local APIC frequency.Use this and bypass

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-27 Thread Olaf Hering
On Fri, Sep 27, KY Srinivasan wrote: This leads to build errors on 32bit: linux-3.12-rc2/arch/x86/kernel/cpu/mshyperv.c:88: undefined reference to `__udivdi3' Up to now I have only tested on 64bit, sorry for that. Thanks Olaf. I am travelling currently; I will fix it when I get

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-27 Thread KY Srinivasan
...@linutronix.de; h...@zytor.com; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On Fri, Sep 27, KY Srinivasan wrote: This leads to build errors on 32bit: linux-3.12-rc2/arch/x86/kernel/cpu/mshyperv.c:88

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-23 Thread KY Srinivasan
rg; o...@aepfle.de; > a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; > jbeul...@suse.com; b...@alien8.de; dmitry.torok...@gmail.com > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > On 09/23/2013 06:02 AM, KY Srinivasan wro

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-23 Thread H. Peter Anvin
On 09/23/2013 06:02 AM, KY Srinivasan wrote: > > Peter, > Please let me know if there are other issues I need to address here. Now that > Dmitry has queued up the > Hyper-V keyboard driver, with this patch we can fully support Linux on our > uefi firmware. > I just got back from Plumber's --

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-23 Thread KY Srinivasan
rg; o...@aepfle.de; > a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; > jbeul...@suse.com; b...@alien8.de > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > On Tue, Sep 17, 2013 at 07:53:36PM +, KY Srinivasan wrote: &

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-23 Thread KY Srinivasan
; a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On Tue, Sep 17, 2013 at 07:53:36PM +, KY Srinivasan wrote: Thanks Gleb. Here is the link for the latest Hyper

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-23 Thread H. Peter Anvin
On 09/23/2013 06:02 AM, KY Srinivasan wrote: Peter, Please let me know if there are other issues I need to address here. Now that Dmitry has queued up the Hyper-V keyboard driver, with this patch we can fully support Linux on our uefi firmware. I just got back from Plumber's -- this is

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-23 Thread KY Srinivasan
; jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de; dmitry.torok...@gmail.com Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On 09/23/2013 06:02 AM, KY Srinivasan wrote: Peter, Please let me know

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-17 Thread Gleb Natapov
On Tue, Sep 17, 2013 at 07:53:36PM +, KY Srinivasan wrote: > > > Thanks Gleb. Here is the link for the latest Hyper-V specification: > > > http://www.microsoft.com/en-us/download/details.aspx?id=39289 > > > > > > This spec talks about how migration is handled with regards to TSC. > > > > > All

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-17 Thread KY Srinivasan
rg; o...@aepfle.de; > a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; > jbeul...@suse.com; b...@alien8.de > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > On Fri, Sep 13, 2013 at 02:28:35PM +, KY Srinivasan wrote:

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-17 Thread Gleb Natapov
@linuxfoundation.org; linux- > > ker...@vger.kernel.org; de...@linuxdriverproject.org; o...@aepfle.de; > > a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; > > jbeul...@suse.com; b...@alien8.de > > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC tim

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-17 Thread Gleb Natapov
...@vger.kernel.org; de...@linuxdriverproject.org; o...@aepfle.de; a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On Fri, Sep 13, 2013 at 01:43:09AM +

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-17 Thread KY Srinivasan
; a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On Fri, Sep 13, 2013 at 02:28:35PM +, KY Srinivasan wrote: -Original Message- From: Gleb Natapov

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-17 Thread Gleb Natapov
On Tue, Sep 17, 2013 at 07:53:36PM +, KY Srinivasan wrote: Thanks Gleb. Here is the link for the latest Hyper-V specification: http://www.microsoft.com/en-us/download/details.aspx?id=39289 This spec talks about how migration is handled with regards to TSC. All I can see is

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-13 Thread KY Srinivasan
erproject.org; gre...@linuxfoundation.org; > jasow...@redhat.com; linux-kernel@vger.kernel.org > Subject: RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > >>> On 13.09.13 at 03:43, KY Srinivasan wrote: > > > > >> --

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-13 Thread KY Srinivasan
rg; o...@aepfle.de; > a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; > jbeul...@suse.com; b...@alien8.de > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > On Fri, Sep 13, 2013 at 01:43:09AM +, KY Srinivasan wrote:

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-13 Thread Gleb Natapov
nuxfoundation.org; > > linux-kernel@vger.kernel.org; > > de...@linuxdriverproject.org; o...@aepfle.de; a...@canonical.com; > > jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de > > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-13 Thread Jan Beulich
g; >> linux-kernel@vger.kernel.org; >> de...@linuxdriverproject.org; o...@aepfle.de; a...@canonical.com; >> jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de >> Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency >>

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-13 Thread Jan Beulich
...@linuxdriverproject.org; o...@aepfle.de; a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On 09/12/2013 05:06 PM, KY Srinivasan wrote: Peter, Let me

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-13 Thread Gleb Natapov
...@linuxdriverproject.org; o...@aepfle.de; a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On 09/12/2013 05:06 PM, KY Srinivasan wrote

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-13 Thread KY Srinivasan
; a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On Fri, Sep 13, 2013 at 01:43:09AM +, KY Srinivasan wrote: -Original Message- From: H. Peter

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-13 Thread KY Srinivasan
...@linuxfoundation.org; jasow...@redhat.com; linux-kernel@vger.kernel.org Subject: RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On 13.09.13 at 03:43, KY Srinivasan k...@microsoft.com wrote: -Original Message- From: H. Peter Anvin [mailto:h

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-12 Thread KY Srinivasan
a...@canonical.com; > jasow...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > On 09/12/2013 05:06 PM, KY Srinivasan wrote: > > > > Peter, > > >

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-12 Thread H. Peter Anvin
On 09/12/2013 05:06 PM, KY Srinivasan wrote: > > Peter, > > Let me know if you want me to address any additional issues in this patch. > Please address Jan and Gleb's feedback. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-12 Thread KY Srinivasan
al.com; > jasow...@redhat.com; t...@linutronix.de; h...@zytor.com; > jbeul...@suse.com; b...@alien8.de > Cc: KY Srinivasan > Subject: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from > the hypervisor > > Hyper-V supports a mechanism for retrieving the local

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-12 Thread KY Srinivasan
...@linutronix.de; h...@zytor.com; jbeul...@suse.com; b...@alien8.de Cc: KY Srinivasan Subject: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor Hyper-V supports a mechanism for retrieving the local APIC frequency.Use this and bypass the calibration code

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-12 Thread H. Peter Anvin
On 09/12/2013 05:06 PM, KY Srinivasan wrote: Peter, Let me know if you want me to address any additional issues in this patch. Please address Jan and Gleb's feedback. -hpa -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-12 Thread KY Srinivasan
...@redhat.com; t...@linutronix.de; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On 09/12/2013 05:06 PM, KY Srinivasan wrote: Peter, Let me know if you want me to address any additional issues in this patch

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-05 Thread Gleb Natapov
nuxfoundation.org; > > linux-kernel@vger.kernel.org; > > de...@linuxdriverproject.org; o...@aepfle.de; a...@canonical.com; > > jasow...@redhat.com; t...@linutronix.de; h...@zytor.com; > > jbeul...@suse.com; b...@alien8.de > > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-05 Thread Gleb Natapov
...@linuxdriverproject.org; o...@aepfle.de; a...@canonical.com; jasow...@redhat.com; t...@linutronix.de; h...@zytor.com; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On Tue, Sep 03, 2013 at 11:30:23AM

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-04 Thread KY Srinivasan
a...@canonical.com; > jasow...@redhat.com; t...@linutronix.de; h...@zytor.com; > jbeul...@suse.com; b...@alien8.de > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > On Tue, Sep 03, 2013 at 11:30:23AM -0700, K. Y. Srinivasan wro

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-04 Thread KY Srinivasan
inuxfoundation.org; > jasow...@redhat.com; linux-kernel@vger.kernel.org; h...@zytor.com > Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency > from the hypervisor > > >>> On 03.09.13 at 20:30, "K. Y. Srinivasan" wrote: > > @@ -76,6

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-04 Thread Gleb Natapov
On Tue, Sep 03, 2013 at 11:30:23AM -0700, K. Y. Srinivasan wrote: > Hyper-V supports a mechanism for retrieving the local APIC frequency.Use this > and bypass > the calibration code in the kernel. This would allow us to boot the Linux > kernel as a > "modern VM" on Hyper-V where many of the

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-04 Thread Jan Beulich
>>> On 03.09.13 at 20:30, "K. Y. Srinivasan" wrote: > @@ -76,6 +80,26 @@ static void __init ms_hyperv_init_platform(void) > printk(KERN_INFO "HyperV: features 0x%x, hints 0x%x\n", > ms_hyperv.features, ms_hyperv.hints); > > + if (ms_hyperv.features &

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-04 Thread Jan Beulich
On 03.09.13 at 20:30, K. Y. Srinivasan k...@microsoft.com wrote: @@ -76,6 +80,26 @@ static void __init ms_hyperv_init_platform(void) printk(KERN_INFO HyperV: features 0x%x, hints 0x%x\n, ms_hyperv.features, ms_hyperv.hints); + if (ms_hyperv.features

Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-04 Thread Gleb Natapov
On Tue, Sep 03, 2013 at 11:30:23AM -0700, K. Y. Srinivasan wrote: Hyper-V supports a mechanism for retrieving the local APIC frequency.Use this and bypass the calibration code in the kernel. This would allow us to boot the Linux kernel as a modern VM on Hyper-V where many of the legacy

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-04 Thread KY Srinivasan
; jasow...@redhat.com; linux-kernel@vger.kernel.org; h...@zytor.com Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On 03.09.13 at 20:30, K. Y. Srinivasan k...@microsoft.com wrote: @@ -76,6 +80,26 @@ static void __init ms_hyperv_init_platform(void

RE: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-04 Thread KY Srinivasan
...@redhat.com; t...@linutronix.de; h...@zytor.com; jbeul...@suse.com; b...@alien8.de Subject: Re: [PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor On Tue, Sep 03, 2013 at 11:30:23AM -0700, K. Y. Srinivasan wrote: Hyper-V supports a mechanism for retrieving

[PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-03 Thread K. Y. Srinivasan
Hyper-V supports a mechanism for retrieving the local APIC frequency.Use this and bypass the calibration code in the kernel. This would allow us to boot the Linux kernel as a "modern VM" on Hyper-V where many of the legacy devices (such as PIT) are not emulated. I would like to thank Olaf

[PATCH V2 1/1] X86: Hyper-V: Get the local APIC timer frequency from the hypervisor

2013-09-03 Thread K. Y. Srinivasan
Hyper-V supports a mechanism for retrieving the local APIC frequency.Use this and bypass the calibration code in the kernel. This would allow us to boot the Linux kernel as a modern VM on Hyper-V where many of the legacy devices (such as PIT) are not emulated. I would like to thank Olaf Hering