linux-kernel - Re: [PATCH RFC V9 0/19] Paravirtualized ticket spinlocks

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Message-ID: <51ADC859.6060507@linux.vnet.ibm.com>
Date:	Tue, 04 Jun 2013 16:28:33 +0530
From:	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	gleb@...hat.com, mingo@...hat.com, jeremy@...p.org, x86@...nel.org,
	konrad.wilk@...cle.com, hpa@...or.com, pbonzini@...hat.com,
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Subject: Re: [PATCH RFC V9 0/19] Paravirtualized ticket spinlocks

On 06/02/2013 01:44 AM, Andi Kleen wrote:
>
> FWIW I use the paravirt spinlock ops for adding lock elision
> to the spinlocks.
>
> This needs to be done at the top level (so the level you're removing)
>
> However I don't like the pv mechanism very much and would
> be fine with using an static key hook in the main path
> like I do for all the other lock types.
>
> It also uses interrupt ops patching, for that it would
> be still needed though.
>

Hi Andi, IIUC, you are okay with the current approach overall right?

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