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From: Ingo Molnar <mingo@kernel.org>
To: Waiman Long <waiman.long@hp.com>
Cc: x86@kernel.org, Gleb Natapov <gleb@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	virtualization@lists.linux-foundation.org,
	"H. Peter Anvin" <hpa@zytor.com>,
	linux-arch@vger.kernel.org, kvm@vger.kernel.org,
	Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
	Ingo Molnar <mingo@redhat.com>,
	xen-devel@lists.xenproject.org,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Rik van Riel <riel@redhat.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Scott J Norton <scott.norton@hp.com>,
	Paolo Bonzini <paolo.bonzini@gmail.com>,
	Oleg Nesterov <oleg@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Aswin Chandramouleeswaran <aswin@hp.com>,
	Chegu Vinod <chegu_vinod@hp.com>,
	linux-kernel@vger.kernel.org,
	David Vrabel <david.vrabel@citrix.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH v8 01/10] qspinlock: A generic 4-byte queue spinlock implementation
Date: Fri, 4 Apr 2014 19:53:35 +0200	[thread overview]
Message-ID: <20140404175335.GA25949@gmail.com> (raw)
In-Reply-To: <533EC8BD.8080601@hp.com>


* Waiman Long <waiman.long@hp.com> wrote:

> On 04/04/2014 09:00 AM, Peter Zijlstra wrote:
> >
> > So I'm just not ever going to pick up this patch; I spend a week 
> > trying to reverse engineer this; I posted a 7 patch series 
> > creating the equivalent, but in a gradual and readable fashion:
> >
> >   http://lkml.kernel.org/r/20140310154236.038181843@infradead.org
> >
> > You keep on ignoring that; I'll keep on ignoring your patches.
> >
> > I might at some point rewrite some of your pv stuff on top to get 
> > this moving again, but I'm not really motivated to work with you 
> > atm.
> 
> Peter, I am sorry that I have focused recently on making the 
> qspinlock patch works with virtualization and it is easier for me to 
> based off on my patch initially. Now the PV part is almost done, I 
> will apply them on top of your patch. Hopefully, I will get a new 
> patch out sometime next week.

Note that it's not "a patch" that PeterZ posted, but a series of 7 
finegrained patches, each properly documented and commented. Please 
preserve that work, build on top of it, and don't just ignore it!

Thanks,

	Ingo

WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@kernel.org>
To: Waiman Long <waiman.long@hp.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	linux-arch@vger.kernel.org, x86@kernel.org,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	xen-devel@lists.xenproject.org, kvm@vger.kernel.org,
	Paolo Bonzini <paolo.bonzini@gmail.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Rik van Riel <riel@redhat.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
	David Vrabel <david.vrabel@citrix.com>,
	Oleg Nesterov <oleg@redhat.com>, Gleb Natapov <gleb@redhat.com>,
	Aswin Chandramouleeswaran <aswin@hp.com>,
	Scott J Norton <scott.norton@hp.com>,
	Chegu Vinod <chegu_vinod@hp.com>
Subject: Re: [PATCH v8 01/10] qspinlock: A generic 4-byte queue spinlock implementation
Date: Fri, 4 Apr 2014 19:53:35 +0200	[thread overview]
Message-ID: <20140404175335.GA25949@gmail.com> (raw)
Message-ID: <20140404175335.UOd4HZc92fIkUXc641Pk64A2jnqIFJf-eoIfrrN2yFY@z> (raw)
In-Reply-To: <533EC8BD.8080601@hp.com>


* Waiman Long <waiman.long@hp.com> wrote:

> On 04/04/2014 09:00 AM, Peter Zijlstra wrote:
> >
> > So I'm just not ever going to pick up this patch; I spend a week 
> > trying to reverse engineer this; I posted a 7 patch series 
> > creating the equivalent, but in a gradual and readable fashion:
> >
> >   http://lkml.kernel.org/r/20140310154236.038181843@infradead.org
> >
> > You keep on ignoring that; I'll keep on ignoring your patches.
> >
> > I might at some point rewrite some of your pv stuff on top to get 
> > this moving again, but I'm not really motivated to work with you 
> > atm.
> 
> Peter, I am sorry that I have focused recently on making the 
> qspinlock patch works with virtualization and it is easier for me to 
> based off on my patch initially. Now the PV part is almost done, I 
> will apply them on top of your patch. Hopefully, I will get a new 
> patch out sometime next week.

Note that it's not "a patch" that PeterZ posted, but a series of 7 
finegrained patches, each properly documented and commented. Please 
preserve that work, build on top of it, and don't just ignore it!

Thanks,

	Ingo

  parent reply	other threads:[~2014-04-04 17:53 UTC|newest]

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-02 13:27 [PATCH v8 00/10] qspinlock: a 4-byte queue spinlock with PV support Waiman Long
2014-04-02 13:27 ` [PATCH v8 01/10] qspinlock: A generic 4-byte queue spinlock implementation Waiman Long
2014-04-02 13:27   ` Waiman Long
2014-04-04 13:00   ` Peter Zijlstra
2014-04-04 13:00     ` Peter Zijlstra
2014-04-04 14:59     ` Waiman Long
2014-04-04 14:59       ` Waiman Long
2014-04-04 17:53       ` Ingo Molnar [this message]
2014-04-04 17:53         ` Ingo Molnar
2014-04-07 14:16       ` Peter Zijlstra
2014-04-07 14:16         ` Peter Zijlstra
2014-04-04 16:57     ` Konrad Rzeszutek Wilk
2014-04-04 16:57       ` Konrad Rzeszutek Wilk
2014-04-04 17:08       ` Waiman Long
2014-04-04 17:08         ` Waiman Long
2014-04-04 17:54         ` Ingo Molnar
2014-04-04 17:54           ` Ingo Molnar
2014-04-07 14:09         ` Peter Zijlstra
2014-04-07 14:09           ` Peter Zijlstra
2014-04-07 16:59           ` Waiman Long
2014-04-07 16:59             ` Waiman Long
2014-04-07 14:12       ` Peter Zijlstra
2014-04-07 14:12         ` Peter Zijlstra
2014-04-07 14:33         ` Konrad Rzeszutek Wilk
2014-04-07 14:33           ` Konrad Rzeszutek Wilk
2014-04-02 13:27 ` [PATCH v8 02/10] qspinlock, x86: Enable x86-64 to use queue spinlock Waiman Long
2014-04-02 13:27   ` Waiman Long
2014-04-02 13:27 ` [PATCH v8 03/10] qspinlock: More optimized code for smaller NR_CPUS Waiman Long
2014-04-02 13:27   ` Waiman Long
2014-04-02 13:27 ` [PATCH v8 04/10] qspinlock: Optimized code path for 2 contending tasks Waiman Long
2014-04-02 13:27 ` [PATCH v8 05/10] pvqspinlock, x86: Allow unfair spinlock in a PV guest Waiman Long
2014-04-02 13:27   ` Waiman Long
2014-04-02 13:27 ` [PATCH v8 06/10] pvqspinlock: Enable lock stealing in queue lock waiters Waiman Long
2014-04-02 13:27 ` [PATCH v8 07/10] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled Waiman Long
2014-04-02 13:27   ` Waiman Long
2014-04-02 13:27 ` [PATCH v8 08/10] pvqspinlock, x86: Add qspinlock para-virtualization support Waiman Long
2014-04-02 13:27   ` Waiman Long
2014-04-02 13:27 ` [PATCH v8 09/10] pvqspinlock, x86: Enable qspinlock PV support for KVM Waiman Long
2014-04-02 13:27 ` [PATCH v8 10/10] pvqspinlock, x86: Enable qspinlock PV support for XEN Waiman Long
2014-04-02 13:27   ` Waiman Long
2014-04-02 14:39   ` Konrad Rzeszutek Wilk
2014-04-02 14:39     ` Konrad Rzeszutek Wilk
2014-04-02 20:38     ` Waiman Long
2014-04-02 20:38       ` Waiman Long
2014-04-02 14:32 ` [PATCH v8 00/10] qspinlock: a 4-byte queue spinlock with PV support Konrad Rzeszutek Wilk
2014-04-02 14:32   ` Konrad Rzeszutek Wilk
2014-04-02 20:35   ` Waiman Long
2014-04-03  2:10     ` Waiman Long
2014-04-03  2:10       ` Waiman Long
2014-04-03 17:23       ` Konrad Rzeszutek Wilk
2014-04-03 17:23         ` Konrad Rzeszutek Wilk
2014-04-04  2:57         ` Waiman Long
2014-04-04  2:57           ` Waiman Long
2014-04-04 16:55           ` Konrad Rzeszutek Wilk
2014-04-04 16:55             ` Konrad Rzeszutek Wilk
2014-04-04 17:13             ` Waiman Long
2014-04-04 17:13               ` Waiman Long
2014-04-04 17:58               ` Konrad Rzeszutek Wilk
2014-04-04 17:58                 ` Konrad Rzeszutek Wilk
2014-04-04 18:33                 ` Konrad Rzeszutek Wilk
2014-04-04 18:33                   ` Konrad Rzeszutek Wilk
2014-04-04 18:14             ` Marcos E. Matsunaga
2014-04-04 15:25   ` Konrad Rzeszutek Wilk
2014-04-04 15:25     ` Konrad Rzeszutek Wilk
2014-04-07  6:14 ` Raghavendra K T
2014-04-07 16:38   ` Waiman Long
2014-04-07 16:38     ` Waiman Long
2014-04-07 17:51     ` Raghavendra K T
2014-04-07 17:51       ` Raghavendra K T
2014-04-08 19:15       ` Waiman Long
2014-04-08 19:15         ` Waiman Long
2014-04-09 12:08         ` Raghavendra K T
  -- strict thread matches above, loose matches on Subject: below --
2014-04-01 20:47 Waiman Long
2014-04-01 20:47 ` [PATCH v8 01/10] qspinlock: A generic 4-byte queue spinlock implementation Waiman Long

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