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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, Waiman Long <Waiman.Long@hp.com>,
	Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
	Gleb Natapov <gleb@redhat.com>,
	kvm@vger.kernel.org, Scott J Norton <scott.norton@hp.com>,
	x86@kernel.org, Paolo Bonzini <paolo.bonzini@gmail.com>,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	Chegu Vinod <chegu_vinod@hp.com>,
	David Vrabel <david.vrabel@citrix.com>,
	Oleg Nesterov <oleg@redhat.com>,
	xen-devel@lists.xenproject.org,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: [PATCH v9 14/19] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled
Date: Thu, 17 Apr 2014 11:04:06 -0400	[thread overview]
Message-ID: <1397747051-15401-15-git-send-email-Waiman.Long@hp.com> (raw)
In-Reply-To: <1397747051-15401-1-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(&paravirt_ticketlocks_enabled)) {
+	    static_key_false(&paravirt_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(&paravirt_ticketlocks_enabled);
+	static_key_slow_inc(&paravirt_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 4d3acc3..7fef179 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(&paravirt_ticketlocks_enabled);
+	static_key_slow_inc(&paravirt_spinlocks_enabled);
 	return 0;
 }
 early_initcall(xen_init_spinlocks_jump);
-- 
1.7.1

WARNING: multiple messages have this Message-ID (diff)
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>,
	Scott J Norton <scott.norton@hp.com>,
	Chegu Vinod <chegu_vinod@hp.com>,
	Waiman Long <Waiman.Long@hp.com>
Subject: [PATCH v9 14/19] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled
Date: Thu, 17 Apr 2014 11:04:06 -0400	[thread overview]
Message-ID: <1397747051-15401-15-git-send-email-Waiman.Long@hp.com> (raw)
Message-ID: <20140417150406.urETw-3uES3XxPr8dKA_Tkhum3Njt_ubk6hyfTbM4a0@z> (raw)
In-Reply-To: <1397747051-15401-1-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(&paravirt_ticketlocks_enabled)) {
+	    static_key_false(&paravirt_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(&paravirt_ticketlocks_enabled);
+	static_key_slow_inc(&paravirt_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 4d3acc3..7fef179 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(&paravirt_ticketlocks_enabled);
+	static_key_slow_inc(&paravirt_spinlocks_enabled);
 	return 0;
 }
 early_initcall(xen_init_spinlocks_jump);
-- 
1.7.1


  parent reply	other threads:[~2014-04-17 15:04 UTC|newest]

Thread overview: 131+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-17 15:03 [PATCH v9 00/19] qspinlock: a 4-byte queue spinlock with PV support Waiman Long
2014-04-17 15:03 ` Waiman Long
2014-04-17 15:03 ` [PATCH v9 01/19] qspinlock: A simple generic 4-byte queue spinlock Waiman Long
2014-04-17 15:03   ` Waiman Long
2014-04-17 15:03 ` [PATCH v9 02/19] qspinlock, x86: Enable x86-64 to use " Waiman Long
2014-04-17 15:03   ` Waiman Long
2014-04-17 15:03 ` [PATCH v9 03/19] qspinlock: Add pending bit Waiman Long
2014-04-17 15:03   ` Waiman Long
2014-04-17 15:42   ` Peter Zijlstra
2014-04-17 15:42     ` Peter Zijlstra
2014-04-17 21:20     ` Waiman Long
2014-04-18  8:13       ` Peter Zijlstra
2014-04-18  8:13         ` Peter Zijlstra
2014-04-18 17:07         ` Waiman Long
2014-04-18 17:07           ` Waiman Long
2014-04-18  7:42   ` Ingo Molnar
2014-04-18  7:42     ` Ingo Molnar
2014-04-18 16:23     ` Waiman Long
2014-04-18 16:23       ` Waiman Long
2014-04-18 16:35       ` Konrad Rzeszutek Wilk
2014-04-18 16:35         ` Konrad Rzeszutek Wilk
2014-04-18 18:12         ` Waiman Long
2014-04-18 18:12           ` Waiman Long
2014-04-17 15:03 ` [PATCH v9 04/19] qspinlock: Extract out the exchange of tail code word Waiman Long
2014-04-17 15:49   ` Peter Zijlstra
2014-04-17 15:49     ` Peter Zijlstra
2014-04-17 21:28     ` Waiman Long
2014-04-17 21:28       ` Waiman Long
2014-04-18  8:15       ` Peter Zijlstra
2014-04-18  8:15         ` Peter Zijlstra
2014-04-18 17:32         ` Waiman Long
2014-04-18 17:32           ` Waiman Long
2014-04-18 17:53           ` Peter Zijlstra
2014-04-18 17:53             ` Peter Zijlstra
2014-04-18 18:13             ` Waiman Long
2014-04-18 18:13               ` Waiman Long
2014-04-17 15:03 ` [PATCH v9 05/19] qspinlock: Optimize for smaller NR_CPUS Waiman Long
2014-04-17 15:03   ` Waiman Long
2014-04-17 15:50   ` Peter Zijlstra
2014-04-17 15:50     ` Peter Zijlstra
2014-04-17 21:29     ` Waiman Long
2014-04-17 21:29       ` Waiman Long
2014-04-17 15:51   ` Peter Zijlstra
2014-04-17 15:51     ` Peter Zijlstra
2014-04-17 21:33     ` Waiman Long
2014-04-17 21:33       ` Waiman Long
2014-04-17 15:56   ` Peter Zijlstra
2014-04-17 15:56     ` Peter Zijlstra
2014-04-17 21:46     ` Waiman Long
2014-04-17 21:46       ` Waiman Long
2014-04-18  8:27       ` Peter Zijlstra
2014-04-18  8:27         ` Peter Zijlstra
2014-04-18 17:52         ` Waiman Long
2014-04-18 17:52           ` Waiman Long
2014-04-18 19:05           ` Peter Zijlstra
2014-04-18 19:05             ` Peter Zijlstra
2014-04-18 21:40             ` Waiman Long
2014-04-18 21:40               ` Waiman Long
2014-04-23 14:23               ` Waiman Long
2014-04-23 14:23                 ` Waiman Long
2014-04-23 14:56                 ` Konrad Rzeszutek Wilk
2014-04-23 14:56                   ` Konrad Rzeszutek Wilk
2014-04-23 17:43                   ` Waiman Long
2014-04-23 17:43                     ` Waiman Long
2014-04-23 17:55                     ` Konrad Rzeszutek Wilk
2014-04-23 17:55                       ` Konrad Rzeszutek Wilk
2014-04-23 22:24                       ` Waiman Long
2014-04-23 22:24                         ` Waiman Long
2014-04-23 23:48                         ` Waiman Long
2014-04-23 23:48                           ` Waiman Long
2014-04-17 15:58   ` Peter Zijlstra
2014-04-17 15:58     ` Peter Zijlstra
2014-04-17 21:49     ` Waiman Long
2014-04-17 21:49       ` Waiman Long
2014-04-18  7:46       ` Ingo Molnar
2014-04-18  7:46         ` Ingo Molnar
2014-04-18 16:26         ` Waiman Long
2014-04-18 16:26           ` Waiman Long
2014-04-19  9:24           ` Ingo Molnar
2014-04-19  9:24             ` Ingo Molnar
2014-04-17 15:03 ` [PATCH v9 06/19] qspinlock: prolong the stay in the pending bit path Waiman Long
2014-04-17 15:03   ` Waiman Long
2014-04-17 16:36   ` Peter Zijlstra
2014-04-17 16:36     ` Peter Zijlstra
2014-04-18  1:46     ` Waiman Long
2014-04-18  1:46       ` Waiman Long
2014-04-18  8:33       ` Peter Zijlstra
2014-04-18  8:33         ` Peter Zijlstra
2014-04-18 18:07         ` Waiman Long
2014-04-18 18:07           ` Waiman Long
2014-04-17 15:03 ` [PATCH v9 07/19] qspinlock: Use a simple write to grab the lock, if applicable Waiman Long
2014-04-17 15:03   ` Waiman Long
2014-04-17 16:54   ` Peter Zijlstra
2014-04-17 16:54     ` Peter Zijlstra
2014-04-17 15:04 ` [PATCH v9 08/19] qspinlock: Make a new qnode structure to support virtualization Waiman Long
2014-04-17 15:04   ` Waiman Long
2014-04-17 15:04 ` [PATCH v9 09/19] qspinlock: Prepare for unfair lock support Waiman Long
2014-04-17 15:04   ` Waiman Long
2014-04-17 15:04 ` [PATCH v9 10/19] qspinlock, x86: Allow unfair spinlock in a virtual guest Waiman Long
2014-04-17 15:04   ` Waiman Long
2014-04-17 15:04 ` [PATCH v9 11/19] qspinlock: Split the MCS queuing code into a separate slowerpath Waiman Long
2014-04-17 15:04   ` Waiman Long
2014-04-17 15:04 ` [PATCH v9 12/19] unfair qspinlock: Variable frequency lock stealing mechanism Waiman Long
2014-04-17 15:04   ` Waiman Long
2014-04-17 15:04 ` [PATCH v9 13/19] unfair qspinlock: Enable lock stealing in lock waiters Waiman Long
2014-04-17 15:04   ` Waiman Long
2014-04-17 15:04 ` Waiman Long [this message]
2014-04-17 15:04   ` [PATCH v9 14/19] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled Waiman Long
2014-04-17 15:04 ` [PATCH v9 15/19] pvqspinlock, x86: Add PV data structure & methods Waiman Long
2014-04-17 15:04   ` Waiman Long
2014-04-17 15:04 ` [PATCH v9 16/19] pvqspinlock: Enable coexistence with the unfair lock Waiman Long
2014-04-17 15:04   ` Waiman Long
2014-04-17 15:04 ` [PATCH v9 17/19] pvqspinlock: Add qspinlock para-virtualization support Waiman Long
2014-04-17 15:04   ` Waiman Long
2014-04-17 15:04 ` [PATCH v9 18/19] pvqspinlock, x86: Enable PV qspinlock PV for KVM Waiman Long
2014-04-17 15:04   ` Waiman Long
2014-04-17 15:04 ` [PATCH v9 19/19] pvqspinlock, x86: Enable PV qspinlock for XEN Waiman Long
2014-04-17 15:04   ` Waiman Long
2014-04-17 17:23 ` [PATCH v9 00/19] qspinlock: a 4-byte queue spinlock with PV support Konrad Rzeszutek Wilk
2014-04-17 17:23   ` Konrad Rzeszutek Wilk
2014-04-17 17:40   ` Raghavendra K T
2014-04-17 17:40     ` Raghavendra K T
2014-04-18  1:50     ` Waiman Long
2014-04-18  1:48   ` Waiman Long
2014-04-18  1:48     ` Waiman Long
2014-04-18 13:18     ` Konrad Rzeszutek Wilk
2014-04-18 13:18       ` Konrad Rzeszutek Wilk
2014-04-18 17:05       ` Waiman Long
2014-04-18 17:05         ` Waiman Long
2014-04-27 18:09 ` Raghavendra K T
2014-05-07 15:00   ` Waiman Long

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