From: Paolo Bonzini <pbonzini@redhat.com>
To: Waiman Long <Waiman.Long@hp.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Arnd Bergmann <arnd@arndb.de>,
Peter Zijlstra <peterz@infradead.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
Gleb Natapov <gleb@redhat.com>,
Aswin Chandramouleeswaran <aswin@hp.com>,
Andi Kleen <andi@firstfloor.org>,
Michel Lespinasse <walken@google.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
linux-arch@vger.kernel.org, kvm@vger.kernel.org, x86@kernel.org,
xen-devel@lists.xenproject.org,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Scott J Norton <scott.norton@hp.com>,
Rusty Russell <rusty@rustcorp.com.au>,
Steven Rostedt <rostedt@goodmis.org>,
Chris Wright <chrisw@sous-sol.org>,
Alok Kataria <akataria@vmware.com>,
virtualization@lists.linux-foundation.org,
Chegu Vinod <chegu_vinod@hp.com>, Oleg Nesterov <oleg@redhat.com>,
linux-kernel@vger.kernel.org,
David Vrabel <david.vrabel@citrix.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH RFC v6 10/11] pvqspinlock, x86: Enable qspinlock PV support for KVM
Date: Thu, 13 Mar 2014 14:59:26 +0100 [thread overview]
Message-ID: <5321B9BE.7050209__29771.0544466556$1394719288$gmane$org@redhat.com> (raw)
In-Reply-To: <1394650498-30118-11-git-send-email-Waiman.Long@hp.com>
Il 12/03/2014 19:54, Waiman Long ha scritto:
> @@ -807,8 +889,13 @@ void __init kvm_spinlock_init(void)
> if (!kvm_para_has_feature(KVM_FEATURE_PV_UNHALT))
> return;
>
> +#ifdef CONFIG_QUEUE_SPINLOCK
> + pv_lock_ops.kick_cpu = kvm_kick_cpu_type;
> + pv_lock_ops.hibernate = kvm_hibernate;
> +#else
> pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(kvm_lock_spinning);
> pv_lock_ops.unlock_kick = kvm_unlock_kick;
> +#endif
This should also disable the unfair path.
Paolo
next prev parent reply other threads:[~2014-03-13 13:59 UTC|newest]
Thread overview: 135+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-12 18:54 [PATCH v6 00/11] qspinlock: a 4-byte queue spinlock with PV support Waiman Long
2014-03-12 18:54 ` [PATCH v6 01/11] qspinlock: A generic 4-byte queue spinlock implementation Waiman Long
2014-03-12 18:54 ` Waiman Long
2014-03-12 18:54 ` [PATCH v6 02/11] qspinlock, x86: Enable x86-64 to use queue spinlock Waiman Long
2014-03-12 18:54 ` Waiman Long
2014-03-12 18:54 ` [PATCH v6 03/11] qspinlock: More optimized code for smaller NR_CPUS Waiman Long
2014-03-12 18:54 ` Waiman Long
2014-03-12 18:54 ` [PATCH v6 04/11] qspinlock: Optimized code path for 2 contending tasks Waiman Long
2014-03-12 19:08 ` Waiman Long
2014-03-12 19:08 ` Waiman Long
2014-03-13 13:57 ` Peter Zijlstra
2014-03-13 13:57 ` Peter Zijlstra
2014-03-13 13:57 ` Peter Zijlstra
2014-03-17 17:23 ` Waiman Long
2014-03-17 17:23 ` Waiman Long
2014-03-17 17:23 ` Waiman Long
2014-03-12 19:08 ` Waiman Long
2014-03-12 18:54 ` Waiman Long
2014-03-12 18:54 ` [PATCH v6 05/11] pvqspinlock, x86: Allow unfair spinlock in a PV guest Waiman Long
2014-03-13 10:54 ` David Vrabel
2014-03-13 10:54 ` David Vrabel
2014-03-13 10:54 ` David Vrabel
2014-03-13 13:16 ` Paolo Bonzini
2014-03-13 13:16 ` Paolo Bonzini
2014-03-13 13:16 ` Paolo Bonzini
2014-03-13 13:16 ` Paolo Bonzini
2014-03-17 19:05 ` Konrad Rzeszutek Wilk
2014-03-17 19:05 ` Konrad Rzeszutek Wilk
2014-03-17 19:05 ` Konrad Rzeszutek Wilk
2014-03-17 19:05 ` Konrad Rzeszutek Wilk
2014-03-18 8:14 ` Paolo Bonzini
2014-03-18 8:14 ` Paolo Bonzini
2014-03-18 8:14 ` Paolo Bonzini
2014-03-19 3:15 ` Waiman Long
2014-03-19 3:15 ` Waiman Long
2014-03-19 3:15 ` Waiman Long
2014-03-19 3:15 ` Waiman Long
2014-03-19 3:15 ` Waiman Long
2014-03-19 10:07 ` Paolo Bonzini
2014-03-19 16:58 ` Waiman Long
2014-03-19 16:58 ` Waiman Long
2014-03-19 16:58 ` Waiman Long
2014-03-19 17:08 ` Paolo Bonzini
2014-03-19 17:08 ` Paolo Bonzini
2014-03-19 17:08 ` Paolo Bonzini
2014-03-19 10:07 ` Paolo Bonzini
2014-03-19 10:07 ` Paolo Bonzini
2014-03-13 19:03 ` Waiman Long
2014-03-13 19:03 ` Waiman Long
2014-03-13 19:03 ` Waiman Long
2014-03-13 15:15 ` Peter Zijlstra
2014-03-13 15:15 ` Peter Zijlstra
2014-03-13 20:05 ` Waiman Long
2014-03-13 20:05 ` Waiman Long
2014-03-13 20:05 ` Waiman Long
2014-03-14 8:30 ` Peter Zijlstra
2014-03-14 8:30 ` Peter Zijlstra
2014-03-14 8:48 ` Paolo Bonzini
2014-03-14 8:48 ` Paolo Bonzini
2014-03-14 8:48 ` Paolo Bonzini
2014-03-17 17:44 ` Waiman Long
2014-03-17 17:44 ` Waiman Long
2014-03-17 17:44 ` Waiman Long
2014-03-17 18:54 ` Peter Zijlstra
2014-03-17 18:54 ` Peter Zijlstra
2014-03-17 18:54 ` Peter Zijlstra
2014-03-18 8:16 ` Paolo Bonzini
2014-03-18 8:16 ` Paolo Bonzini
2014-03-18 8:16 ` Paolo Bonzini
2014-03-19 3:08 ` Waiman Long
2014-03-19 3:08 ` Waiman Long
2014-03-19 3:08 ` Waiman Long
2014-03-17 19:10 ` Konrad Rzeszutek Wilk
2014-03-17 19:10 ` Konrad Rzeszutek Wilk
2014-03-19 3:11 ` Waiman Long
2014-03-19 3:11 ` Waiman Long
2014-03-19 3:11 ` Waiman Long
2014-03-19 15:25 ` Konrad Rzeszutek Wilk
2014-03-19 15:25 ` Konrad Rzeszutek Wilk
2014-03-19 15:25 ` Konrad Rzeszutek Wilk
2014-03-17 19:10 ` Konrad Rzeszutek Wilk
2014-03-14 8:30 ` Peter Zijlstra
2014-03-13 15:15 ` Peter Zijlstra
2014-03-12 18:54 ` Waiman Long
2014-03-12 18:54 ` [PATCH v6 06/11] pvqspinlock, x86: Allow unfair queue spinlock in a KVM guest Waiman Long
2014-03-12 18:54 ` Waiman Long
2014-03-12 18:54 ` [PATCH v6 07/11] pvqspinlock, x86: Allow unfair queue spinlock in a XEN guest Waiman Long
2014-03-12 18:54 ` Waiman Long
2014-03-12 18:54 ` [PATCH v6 08/11] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled Waiman Long
2014-03-12 18:54 ` Waiman Long
2014-03-12 18:54 ` [PATCH RFC v6 09/11] pvqspinlock, x86: Add qspinlock para-virtualization support Waiman Long
2014-03-12 18:54 ` Waiman Long
2014-03-13 11:21 ` David Vrabel
2014-03-13 11:21 ` David Vrabel
2014-03-13 13:57 ` Paolo Bonzini
2014-03-13 13:57 ` Paolo Bonzini
2014-03-13 13:57 ` Paolo Bonzini
2014-03-13 13:57 ` Paolo Bonzini
2014-03-13 19:49 ` Waiman Long
2014-03-13 19:49 ` Waiman Long
2014-03-13 19:49 ` Waiman Long
2014-03-13 19:49 ` Waiman Long
2014-03-13 19:49 ` Waiman Long
2014-03-14 9:44 ` Paolo Bonzini
2014-03-14 9:44 ` Paolo Bonzini
2014-03-14 9:44 ` Paolo Bonzini
2014-03-13 13:57 ` Paolo Bonzini
2014-03-13 19:05 ` Waiman Long
2014-03-13 19:05 ` Waiman Long
2014-03-13 19:05 ` Waiman Long
2014-03-13 11:21 ` David Vrabel
2014-03-12 18:54 ` [PATCH RFC v6 10/11] pvqspinlock, x86: Enable qspinlock PV support for KVM Waiman Long
2014-03-12 18:54 ` Waiman Long
2014-03-13 13:59 ` Paolo Bonzini
2014-03-13 13:59 ` Paolo Bonzini
2014-03-13 19:13 ` Waiman Long
2014-03-13 19:13 ` Waiman Long
2014-03-14 8:42 ` Paolo Bonzini
2014-03-14 8:42 ` Paolo Bonzini
2014-03-14 8:42 ` Paolo Bonzini
2014-03-17 17:47 ` Waiman Long
2014-03-17 17:47 ` Waiman Long
2014-03-17 17:47 ` Waiman Long
2014-03-18 8:18 ` Paolo Bonzini
2014-03-18 8:18 ` Paolo Bonzini
2014-03-18 8:18 ` Paolo Bonzini
2014-03-13 13:59 ` Paolo Bonzini [this message]
2014-03-13 15:25 ` Peter Zijlstra
2014-03-13 15:25 ` Peter Zijlstra
2014-03-13 15:25 ` Peter Zijlstra
2014-03-13 20:09 ` Waiman Long
2014-03-13 20:09 ` Waiman Long
2014-03-13 20:09 ` Waiman Long
2014-03-12 18:54 ` [PATCH RFC v6 11/11] pvqspinlock, x86: Enable qspinlock PV support for XEN Waiman Long
2014-03-12 18:54 ` Waiman Long
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