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xen-devel
[Xen-devel] Re: [PATCH RFC V2 5/5] kvm guest : pv-ticketlocks support fo
 
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To:  | 
Jeremy Fitzhardinge <jeremy@xxxxxxxx> | 
 
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Subject:  | 
[Xen-devel] Re: [PATCH RFC V2 5/5] kvm guest : pv-ticketlocks support for linux guests running on KVM hypervisor | 
 
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From:  | 
Raghavendra K T <raghukt@xxxxxxxxxxxxxxxxxx> | 
 
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Date:  | 
Thu, 27 Oct 2011 01:25:04 +0530 | 
 
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Cc:  | 
"x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, KVM <kvm@xxxxxxxxxxxxxxx>,	Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>,	Peter Zijlstra <peterz@xxxxxxxxxxxxx>,	Virtualization <virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx>,	"H. Peter Anvin" <hpa@xxxxxxxxx>, Xen <xen-devel@xxxxxxxxxxxxxxxxxxx>,	Dave Jiang <dave.jiang@xxxxxxxxx>, Gleb Natapov <gleb@xxxxxxxxxx>,	Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>,	Ingo Molnar <mingo@xxxxxxxxxx>, Avi Kivity <avi@xxxxxxxxxx>,	Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>,	Srivatsa Vaddagiri <vatsa@xxxxxxxxxxxxxxxxxx>,	Sedat Dilek <sedat.dilek@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>,	Yinghai Lu <yinghai@xxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxx>,	Marcelo Tosatti <mtosatti@xxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>,	Suzuki Poulose <suzuki@xxxxxxxxxxxxxxxxxx> | 
 
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Thu, 27 Oct 2011 05:08:24 -0700 | 
 
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<20111023190307.16364.35381.sendpatchset@xxxxxxxxxxxxxxxxxxxx>	<20111023190753.16364.31164.sendpatchset@xxxxxxxxxxxxxxxxxxxx>	<4EA7012B.5040808@xxxxxxxx> <4EA85E32.3080107@xxxxxxxxxxxxxxxxxx>	<4EA86387.5040108@xxxxxxxx> | 
 
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On 10/27/2011 01:16 AM, Jeremy Fitzhardinge wrote:
 
On 10/26/2011 12:23 PM, Raghavendra K T wrote:
 
On 10/26/2011 12:04 AM, Jeremy Fitzhardinge wrote:
 
On 10/23/2011 12:07 PM, Raghavendra K T wrote:
 
 
 
 
our current aim was to have before any printk happens.
So I  'll trim the comment to somethings like :
Setup pv_lock_ops to exploit KVM_FEATURE_WAIT_FOR_KICK if present.
This needs to be setup early in boot. ?
 
 
You can hook the smp_ops.smp_prepare_cpus call and initialize it there.
There's no need to add new hook code.
 
 
Ok.. Thanks for pointer. 'll check on that.
 
     J
 
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