From: Rik van Riel <riel@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
KVM list <kvm@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Oleg Nesterov <oleg@redhat.com>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
Peter Anvin <hpa@zytor.com>, Andi Kleen <ak@linux.intel.com>,
Gleb Natapov <gleb@redhat.com>,
the arch/x86 maintainers <x86@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
xen-devel@lists.xenproject.org,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
virtualization <virtualization@lists.linux-foundation.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Dave Jones <davej@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
fernando_b1@lab.ntt.co.jp, "Vinod, Chegu" <chegu_vinod@hp.com>,
Waiman Long <waiman.long@hp.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [RFC] Implement Batched (group) ticket lock
Date: Wed, 28 May 2014 21:18:10 -0400 [thread overview]
Message-ID: <53868AD2.7020902@redhat.com> (raw)
In-Reply-To: <CA+55aFx9d1dP+A3tdR-GaASQYBkkJHcV-=t9FdA7AGrMN12S0w@mail.gmail.com>
On 05/28/2014 06:19 PM, Linus Torvalds wrote:
> If somebody has a P4 still, that's likely the worst case by far.
I'm sure cmpxchg isn't the only thing making P4 the worst case :)
--
All rights reversed
WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Peter Anvin <hpa@zytor.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Gleb Natapov <gleb@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
Waiman Long <waiman.long@hp.com>, Dave Jones <davej@redhat.com>,
Oleg Nesterov <oleg@redhat.com>,
the arch/x86 maintainers <x86@kernel.org>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
Andi Kleen <ak@linux.intel.com>, Jason Wang <jasowang@redhat.com>,
fernando_b1@lab.ntt.co.jp,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
KVM list <kvm@vger.kernel.org>,
virtualization <virtualization@lists.linux-foundation.org>,
xen-devel@lists.xenproject.org,
Marcelo Tosatti <mtosatti@redhat.com>,
"Vinod, Chegu" <chegu_vinod@hp.com>
Subject: Re: [RFC] Implement Batched (group) ticket lock
Date: Wed, 28 May 2014 21:18:10 -0400 [thread overview]
Message-ID: <53868AD2.7020902@redhat.com> (raw)
In-Reply-To: <CA+55aFx9d1dP+A3tdR-GaASQYBkkJHcV-=t9FdA7AGrMN12S0w@mail.gmail.com>
On 05/28/2014 06:19 PM, Linus Torvalds wrote:
> If somebody has a P4 still, that's likely the worst case by far.
I'm sure cmpxchg isn't the only thing making P4 the worst case :)
--
All rights reversed
next prev parent reply other threads:[~2014-05-29 1:18 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-28 12:16 [RFC] Implement Batched (group) ticket lock Raghavendra K T
2014-05-28 12:16 ` Raghavendra K T
2014-05-28 12:16 ` Raghavendra K T
2014-05-28 21:55 ` Rik van Riel
2014-05-28 21:55 ` Rik van Riel
2014-05-28 21:55 ` Rik van Riel
2014-05-28 22:19 ` Linus Torvalds
2014-05-28 22:19 ` Linus Torvalds
2014-05-28 22:19 ` Linus Torvalds
2014-05-28 22:29 ` Thomas Gleixner
2014-05-28 22:29 ` Thomas Gleixner
2014-05-28 22:29 ` Thomas Gleixner
2014-05-29 1:18 ` Rik van Riel
2014-05-29 1:18 ` Rik van Riel [this message]
2014-05-29 1:18 ` Rik van Riel
2014-05-29 9:44 ` Raghavendra K T
2014-05-29 9:44 ` Raghavendra K T
2014-05-29 9:44 ` Raghavendra K T
2014-05-29 6:46 ` Peter Zijlstra
2014-05-29 6:46 ` Peter Zijlstra
2014-05-29 6:46 ` Peter Zijlstra
2014-05-29 9:51 ` Raghavendra K T
2014-05-29 9:51 ` Raghavendra K T
2014-05-29 9:51 ` Raghavendra K T
2014-05-29 22:45 ` Waiman Long
2014-05-29 22:45 ` Waiman Long
2014-05-29 22:45 ` Waiman Long
2014-05-30 8:53 ` Raghavendra K T
2014-05-30 8:53 ` Raghavendra K T
2014-05-30 8:53 ` Raghavendra K T
-- strict thread matches above, loose matches on Subject: below --
2014-05-28 12:16 Raghavendra K T
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