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>,
"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>,
Waiman Long <Waiman.Long@hp.com>
Subject: [PATCH v8 07/10] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled
Date: Wed, 2 Apr 2014 09:27:36 -0400 [thread overview]
Message-ID: <1396445259-27670-8-git-send-email-Waiman.Long@hp.com> (raw)
In-Reply-To: <1396445259-27670-1-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 713f1b3..8e646a7 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -818,7 +818,7 @@ 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 581521c..06f4a64 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -290,7 +290,7 @@ static __init int xen_init_spinlocks_jump(void)
if (!xen_pvspin)
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:[~2014-04-02 13:27 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
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 ` Waiman Long [this message]
2014-04-02 13:27 ` [PATCH v8 07/10] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled 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 07/10] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled Waiman Long
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