linux-kernel - Re: [PATCH delta V13 14/14] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

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Message-ID: <520A96B4.5040603@linux.vnet.ibm.com>
Date:	Wed, 14 Aug 2013 01:57:32 +0530
From:	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Ingo Molnar <mingo@...nel.org>
CC:	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
	x86@...nel.org, konrad.wilk@...cle.com, gleb@...hat.com,
	pbonzini@...hat.com, gregkh@...e.de, peterz@...radead.org,
	tglx@...utronix.de, agraf@...e.de, riel@...hat.com,
	avi.kivity@...il.com, habanero@...ux.vnet.ibm.com,
	chegu_vinod@...com, ouyang@...pitt.edu, drjones@...hat.com,
	attilio.rao@...rix.com, linux-doc@...r.kernel.org,
	torvalds@...ux-foundation.org, kvm@...r.kernel.org,
	andi@...stfloor.org, xen-devel@...ts.xensource.com,
	virtualization@...ts.linux-foundation.org,
	stefano.stabellini@...citrix.com, mtosatti@...hat.com,
	srivatsa.vaddagiri@...il.com,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Suzuki Poulose <suzuki@...ibm.com>
Subject: Re: [PATCH delta V13 14/14] kvm : Paravirtual ticketlocks support
 for linux guests running on KVM hypervisor

On 08/14/2013 01:30 AM, Jeremy Fitzhardinge wrote:
> On 08/13/2013 01:02 PM, Raghavendra K T wrote:
[...]
>> Ingo, below delta patch should fix it, IIRC, I hope you will be folding this
>> back to patch 14/14 itself. Else please let me.

it was.. s/Please let me know/

[...]
>> -static DEFINE_PER_CPU(struct kvm_lock_waiting, lock_waiting);
>> +static DEFINE_PER_CPU(struct kvm_lock_waiting, klock_waiting);
>
> Has static stopped meaning static?
>

I see it is expanded to static extern, since we have
CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y for allyesconfig

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