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From: Andi Kleen <andi@firstfloor.org>
To: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Cc: gleb@redhat.com, mingo@redhat.com, jeremy@goop.org,
	x86@kernel.org, konrad.wilk@oracle.com, hpa@zytor.com,
	pbonzini@redhat.com, linux-doc@vger.kernel.org,
	habanero@linux.vnet.ibm.com, xen-devel@lists.xensource.com,
	peterz@infradead.org, mtosatti@redhat.com,
	stefano.stabellini@eu.citrix.com, andi@firstfloor.org,
	attilio.rao@citrix.com, ouyang@cs.pitt.edu, gregkh@suse.de,
	agraf@suse.de, chegu_vinod@hp.com, torvalds@linux-foundation.org,
	avi.kivity@gmail.com, tglx@linutronix.de, kvm@vger.kernel.org,
	linux-kernel@vger.kernel.org, stephan.diestelhorst@amd.com,
	riel@redhat.com, drjones@redhat.com,
	virtualization@lists.linux-foundation.org,
	srivatsa.vaddagiri@gmail.com
Subject: Re: [PATCH RFC V9 0/19] Paravirtualized ticket spinlocks
Date: Sat, 1 Jun 2013 22:14:43 +0200	[thread overview]
Message-ID: <20130601201442.GP6123@two.firstfloor.org> (raw)
In-Reply-To: <20130601082145.22955.33596.sendpatchset@codeblue>


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.

-Andi
-- 
ak@linux.intel.com -- Speaking for myself only.

  parent reply	other threads:[~2013-06-01 20:14 UTC|newest]

Thread overview: 96+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-01  8:21 [PATCH RFC V9 0/19] Paravirtualized ticket spinlocks Raghavendra K T
2013-06-01  8:21 ` Raghavendra K T
2013-06-01 19:21 ` Raghavendra KT
2013-06-01 19:21 ` Raghavendra KT
2013-06-01 20:14 ` Andi Kleen [this message]
2013-06-01 20:28   ` Jeremy Fitzhardinge
2013-06-01 20:28     ` Jeremy Fitzhardinge
2013-06-01 20:46     ` Andi Kleen
2013-06-01 20:46       ` Andi Kleen
2013-06-01 20:28   ` Jeremy Fitzhardinge
2013-06-04 10:58   ` Raghavendra K T
2013-06-04 10:58   ` Raghavendra K T
2013-06-01 20:14 ` Andi Kleen
2013-06-01  8:21 Raghavendra K T
2013-06-01 19:21 Raghavendra K T
2013-06-01 19:21 Raghavendra K T
2013-06-01 19:21 ` Raghavendra K T
2013-06-02  8:07 ` Gleb Natapov
2013-06-02  8:07   ` Gleb Natapov
2013-06-02 16:20   ` Jiannan Ouyang
2013-06-02 16:20     ` Jiannan Ouyang
2013-06-03  1:40     ` Raghavendra K T
2013-06-03  1:40       ` Raghavendra K T
2013-06-03  6:21       ` Raghavendra K T
2013-06-07  6:15         ` Raghavendra K T
2013-06-07  6:15           ` Raghavendra K T
2013-06-07 13:29           ` Andrew Theurer
2013-06-07 13:29           ` Andrew Theurer
2013-06-07 23:41           ` Jiannan Ouyang
2013-06-07 23:41             ` Jiannan Ouyang
2013-06-07 23:41           ` Jiannan Ouyang
2013-06-03  6:21       ` Raghavendra K T
2013-06-02 16:20   ` Jiannan Ouyang
2013-06-25 14:50 ` Andrew Theurer
2013-06-26  8:45   ` Raghavendra K T
2013-06-26  8:45     ` Raghavendra K T
2013-06-26 11:37     ` Andrew Jones
2013-06-26 11:37       ` Andrew Jones
2013-06-26 12:52       ` Gleb Natapov
2013-06-26 12:52         ` Gleb Natapov
2013-06-26 13:40         ` Raghavendra K T
2013-06-26 13:40           ` Raghavendra K T
2013-06-26 14:39           ` Chegu Vinod
2013-06-26 15:37             ` Raghavendra K T
2013-06-26 15:37               ` Raghavendra K T
2013-06-26 16:11           ` Gleb Natapov
2013-06-26 16:11             ` Gleb Natapov
2013-06-26 17:54             ` Raghavendra K T
2013-07-09  9:11               ` Raghavendra K T
2013-07-09  9:11                 ` Raghavendra K T
2013-07-10 10:33                 ` Gleb Natapov
2013-07-10 10:33                   ` Gleb Natapov
2013-07-10 10:40                   ` Peter Zijlstra
2013-07-10 10:40                     ` Peter Zijlstra
2013-07-10 10:47                     ` Gleb Natapov
2013-07-10 10:47                       ` Gleb Natapov
2013-07-10 11:28                       ` Raghavendra K T
2013-07-10 11:28                         ` Raghavendra K T
2013-07-10 11:29                         ` Gleb Natapov
2013-07-10 11:29                           ` Gleb Natapov
2013-07-10 11:40                         ` Raghavendra K T
2013-07-10 11:40                           ` Raghavendra K T
2013-07-10 15:03                       ` Konrad Rzeszutek Wilk
2013-07-10 15:03                         ` Konrad Rzeszutek Wilk
2013-07-10 15:16                         ` Gleb Natapov
2013-07-10 15:16                           ` Gleb Natapov
2013-07-11  0:12                           ` Konrad Rzeszutek Wilk
2013-07-11  0:12                             ` Konrad Rzeszutek Wilk
2013-07-10 11:24                   ` Raghavendra K T
2013-07-10 11:24                   ` Raghavendra K T
2013-07-10 11:41                     ` Gleb Natapov
2013-07-10 11:41                       ` Gleb Natapov
2013-07-10 11:50                       ` Raghavendra K T
2013-07-10 11:50                         ` Raghavendra K T
2013-07-11  9:13                   ` Raghavendra K T
2013-07-11  9:13                   ` Raghavendra K T
2013-07-11  9:48                     ` Gleb Natapov
2013-07-11  9:48                       ` Gleb Natapov
2013-07-11 10:10                       ` Raghavendra K T
2013-07-11 10:11                         ` Gleb Natapov
2013-07-11 10:11                           ` Gleb Natapov
2013-07-11 10:53                           ` Raghavendra K T
2013-07-11 10:53                             ` Raghavendra K T
2013-07-11 10:56                             ` Gleb Natapov
2013-07-11 10:56                               ` Gleb Natapov
2013-07-11 11:14                               ` Raghavendra K T
2013-07-11 11:14                               ` Raghavendra K T
2013-07-11 10:10                       ` Raghavendra K T
2013-06-26 17:54             ` Raghavendra K T
2013-06-26 14:13         ` Konrad Rzeszutek Wilk
2013-06-26 14:13           ` Konrad Rzeszutek Wilk
2013-06-26 15:56         ` Andrew Theurer
2013-06-26 15:56           ` Andrew Theurer
2013-07-01  9:30           ` Raghavendra K T
2013-07-01  9:30             ` Raghavendra K T
2013-06-25 14:50 ` Andrew Theurer

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