From: Waiman Long <Waiman.Long@hp.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>
Cc: 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>,
Boris Ostrovsky <boris.ostrovsky@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>,
Scott J Norton <scott.norton@hp.com>,
Chegu Vinod <chegu_vinod@hp.com>,
Waiman Long <Waiman.Long@hp.com>
Subject: [PATCH v10 14/19] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled
Date: Wed, 7 May 2014 11:01:42 -0400 [thread overview]
Message-ID: <1399474907-22206-15-git-send-email-Waiman.Long@hp.com> (raw)
In-Reply-To: <1399474907-22206-1-git-send-email-Waiman.Long@hp.com>
This patch renames the paravirt_ticketlocks_enabled static key to a
more generic paravirt_spinlocks_enabled name.
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
---
arch/x86/include/asm/spinlock.h | 4 ++--
arch/x86/kernel/kvm.c | 2 +-
arch/x86/kernel/paravirt-spinlocks.c | 4 ++--
arch/x86/xen/spinlock.c | 2 +-
4 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h
index 958d20f..428d0d1 100644
--- a/arch/x86/include/asm/spinlock.h
+++ b/arch/x86/include/asm/spinlock.h
@@ -39,7 +39,7 @@
/* How long a lock should spin before we consider blocking */
#define SPIN_THRESHOLD (1 << 15)
-extern struct static_key paravirt_ticketlocks_enabled;
+extern struct static_key paravirt_spinlocks_enabled;
static __always_inline bool static_key_false(struct static_key *key);
#ifdef CONFIG_QUEUE_SPINLOCK
@@ -150,7 +150,7 @@ static inline void __ticket_unlock_slowpath(arch_spinlock_t *lock,
static __always_inline void arch_spin_unlock(arch_spinlock_t *lock)
{
if (TICKET_SLOWPATH_FLAG &&
- static_key_false(¶virt_ticketlocks_enabled)) {
+ static_key_false(¶virt_spinlocks_enabled)) {
arch_spinlock_t prev;
prev = *lock;
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 0331cb3..7ab8ab3 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -817,7 +817,7 @@ static __init int kvm_spinlock_init_jump(void)
if (!kvm_para_has_feature(KVM_FEATURE_PV_UNHALT))
return 0;
- static_key_slow_inc(¶virt_ticketlocks_enabled);
+ static_key_slow_inc(¶virt_spinlocks_enabled);
printk(KERN_INFO "KVM setup paravirtual spinlock\n");
return 0;
diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c
index 7dfd02d..6d36731 100644
--- a/arch/x86/kernel/paravirt-spinlocks.c
+++ b/arch/x86/kernel/paravirt-spinlocks.c
@@ -17,8 +17,8 @@ struct pv_lock_ops pv_lock_ops = {
};
EXPORT_SYMBOL(pv_lock_ops);
-struct static_key paravirt_ticketlocks_enabled = STATIC_KEY_INIT_FALSE;
-EXPORT_SYMBOL(paravirt_ticketlocks_enabled);
+struct static_key paravirt_spinlocks_enabled = STATIC_KEY_INIT_FALSE;
+EXPORT_SYMBOL(paravirt_spinlocks_enabled);
#endif
#ifdef CONFIG_PARAVIRT_UNFAIR_LOCKS
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index 0ba5f3b..d1b6a32 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -293,7 +293,7 @@ static __init int xen_init_spinlocks_jump(void)
if (!xen_domain())
return 0;
- static_key_slow_inc(¶virt_ticketlocks_enabled);
+ static_key_slow_inc(¶virt_spinlocks_enabled);
return 0;
}
early_initcall(xen_init_spinlocks_jump);
--
1.7.1
next prev parent reply other threads:[~2014-05-07 15:01 UTC|newest]
Thread overview: 97+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-07 15:01 [PATCH v10 00/19] qspinlock: a 4-byte queue spinlock with PV support Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 15:01 ` [PATCH v10 01/19] qspinlock: A simple generic 4-byte queue spinlock Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 15:01 ` [PATCH v10 02/19] qspinlock, x86: Enable x86-64 to use " Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 15:01 ` [PATCH v10 03/19] qspinlock: Add pending bit Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-08 18:57 ` Peter Zijlstra
2014-05-10 0:49 ` Waiman Long
2014-05-10 0:49 ` Waiman Long
2014-05-12 15:22 ` Radim Krčmář
2014-05-12 17:29 ` Peter Zijlstra
2014-05-13 19:47 ` Waiman Long
2014-05-13 19:47 ` Waiman Long
2014-05-14 16:51 ` Radim Krčmář
2014-05-14 16:51 ` Radim Krčmář
2014-05-14 17:00 ` Peter Zijlstra
2014-05-14 17:00 ` Peter Zijlstra
2014-05-14 19:13 ` Radim Krčmář
2014-05-14 19:13 ` Radim Krčmář
2014-05-19 20:17 ` Waiman Long
2014-05-19 20:17 ` Waiman Long
[not found] ` <20140521164930.GA26199@potion.brq.redhat.com>
2014-05-21 17:02 ` [RFC 08/07] qspinlock: integrate pending bit into queue Radim Krčmář
2014-05-21 17:02 ` Radim Krčmář
2014-05-07 15:01 ` [PATCH v10 04/19] qspinlock: Extract out the exchange of tail code word Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 15:01 ` [PATCH v10 05/19] qspinlock: Optimize for smaller NR_CPUS Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 15:01 ` [PATCH v10 06/19] qspinlock: prolong the stay in the pending bit path Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-08 18:58 ` Peter Zijlstra
2014-05-08 18:58 ` Peter Zijlstra
2014-05-10 0:58 ` Waiman Long
2014-05-10 0:58 ` Waiman Long
2014-05-10 13:38 ` Peter Zijlstra
2014-05-10 13:38 ` Peter Zijlstra
2014-05-07 15:01 ` [PATCH v10 07/19] qspinlock: Use a simple write to grab the lock, if applicable Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-08 19:00 ` Peter Zijlstra
2014-05-08 19:00 ` Peter Zijlstra
2014-05-10 1:05 ` Waiman Long
2014-05-10 1:05 ` Waiman Long
2014-05-08 19:02 ` Peter Zijlstra
2014-05-08 19:02 ` Peter Zijlstra
2014-05-10 1:06 ` Waiman Long
2014-05-10 1:06 ` Waiman Long
2014-05-07 15:01 ` [PATCH v10 08/19] qspinlock: Make a new qnode structure to support virtualization Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-08 19:04 ` Peter Zijlstra
2014-05-08 19:04 ` Peter Zijlstra
2014-05-10 1:08 ` Waiman Long
2014-05-10 1:08 ` Waiman Long
2014-05-10 14:14 ` Peter Zijlstra
2014-05-10 14:14 ` Peter Zijlstra
2014-05-10 18:21 ` Peter Zijlstra
2014-05-07 15:01 ` [PATCH v10 09/19] qspinlock: Prepare for unfair lock support Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-08 19:06 ` Peter Zijlstra
2014-05-08 19:06 ` Peter Zijlstra
2014-05-10 1:19 ` Waiman Long
2014-05-10 14:13 ` Peter Zijlstra
2014-05-10 14:13 ` Peter Zijlstra
2014-05-07 15:01 ` [PATCH v10 10/19] qspinlock, x86: Allow unfair spinlock in a virtual guest Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-08 19:12 ` Peter Zijlstra
2014-05-08 19:12 ` Peter Zijlstra
2014-05-19 20:30 ` Waiman Long
2014-05-19 20:30 ` Waiman Long
2014-05-12 18:57 ` Radim Krčmář
2014-05-07 15:01 ` [PATCH v10 11/19] qspinlock: Split the MCS queuing code into a separate slowerpath Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 15:01 ` [PATCH v10 12/19] unfair qspinlock: Variable frequency lock stealing mechanism Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-08 19:19 ` Peter Zijlstra
2014-05-08 19:19 ` Peter Zijlstra
2014-05-07 15:01 ` [PATCH v10 13/19] unfair qspinlock: Enable lock stealing in lock waiters Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 15:01 ` Waiman Long [this message]
2014-05-07 15:01 ` [PATCH v10 14/19] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled Waiman Long
2014-05-07 15:01 ` [PATCH v10 15/19] pvqspinlock, x86: Add PV data structure & methods Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 15:01 ` [PATCH v10 16/19] pvqspinlock: Enable coexistence with the unfair lock Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 15:01 ` [PATCH v10 17/19] pvqspinlock: Add qspinlock para-virtualization support Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 15:01 ` [PATCH v10 18/19] pvqspinlock, x86: Enable PV qspinlock PV for KVM Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 19:07 ` Konrad Rzeszutek Wilk
2014-05-07 19:07 ` Konrad Rzeszutek Wilk
2014-05-08 17:54 ` Waiman Long
2014-05-08 17:54 ` Waiman Long
2014-05-07 15:01 ` [PATCH v10 19/19] pvqspinlock, x86: Enable PV qspinlock for XEN Waiman Long
2014-05-07 15:01 ` Waiman Long
2014-05-07 19:07 ` [PATCH v10 00/19] qspinlock: a 4-byte queue spinlock with PV support Konrad Rzeszutek Wilk
2014-05-07 19:07 ` Konrad Rzeszutek Wilk
2014-05-08 17:54 ` Waiman Long
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