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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>
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>,
	Scott J Norton <scott.norton@hp.com>,
	Douglas Hatch <doug.hatch@hp.com>,
	Waiman Long <Waiman.Long@hp.com>,
	Peter Zijlstra <peterz@infradead.org>
Subject: [PATCH v12 08/11] qspinlock, x86: Rename paravirt_ticketlocks_enabled
Date: Thu, 16 Oct 2014 14:10:37 -0400	[thread overview]
Message-ID: <1413483040-58399-9-git-send-email-Waiman.Long@hp.com> (raw)
In-Reply-To: <1413483040-58399-1-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>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
---
 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 5899483..928751e 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 3dd8e2c..bc11fb5 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -819,7 +819,7 @@ 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 bbb6c73..e434f24 100644
--- a/arch/x86/kernel/paravirt-spinlocks.c
+++ b/arch/x86/kernel/paravirt-spinlocks.c
@@ -16,5 +16,5 @@ 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);
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(&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>,
	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>,
	Scott J Norton <scott.norton@hp.com>,
	Douglas Hatch <doug.hatch@hp.com>,
	Waiman Long <Waiman.Long@hp.com>
Subject: [PATCH v12 08/11] qspinlock, x86: Rename paravirt_ticketlocks_enabled
Date: Thu, 16 Oct 2014 14:10:37 -0400	[thread overview]
Message-ID: <1413483040-58399-9-git-send-email-Waiman.Long@hp.com> (raw)
Message-ID: <20141016181037.08ouQcSkIwPbbQe4wqQRlMQK2_THLj3PjiVCOQL2dh8@z> (raw)
In-Reply-To: <1413483040-58399-1-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>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
---
 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 5899483..928751e 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 3dd8e2c..bc11fb5 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -819,7 +819,7 @@ 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 bbb6c73..e434f24 100644
--- a/arch/x86/kernel/paravirt-spinlocks.c
+++ b/arch/x86/kernel/paravirt-spinlocks.c
@@ -16,5 +16,5 @@ 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);
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(&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:[~2014-10-16 18:10 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-16 18:10 [PATCH v12 00/11] qspinlock: a 4-byte queue spinlock with PV support Waiman Long
2014-10-16 18:10 ` Waiman Long
2014-10-16 18:10 ` [PATCH v12 01/11] qspinlock: A simple generic 4-byte queue spinlock Waiman Long
2014-10-16 18:10   ` Waiman Long
2014-10-16 18:10 ` [PATCH v12 02/11] qspinlock, x86: Enable x86-64 to use " Waiman Long
2014-10-16 18:10   ` Waiman Long
2014-10-16 18:10 ` [PATCH v12 03/11] qspinlock: Add pending bit Waiman Long
2014-10-16 18:10   ` Waiman Long
2014-10-16 18:10 ` [PATCH v12 04/11] qspinlock: Extract out code snippets for the next patch Waiman Long
2014-10-16 18:10   ` Waiman Long
2014-10-16 18:10 ` [PATCH v12 05/11] qspinlock: Optimize for smaller NR_CPUS Waiman Long
2014-10-16 18:10   ` Waiman Long
2014-10-16 18:10 ` [PATCH v12 06/11] qspinlock: Use a simple write to grab the lock Waiman Long
2014-10-16 18:10   ` Waiman Long
2014-10-16 18:10 ` [PATCH v12 07/11] qspinlock: Revert to test-and-set on hypervisors Waiman Long
2014-10-16 18:10   ` Waiman Long
2014-10-16 18:10 ` Waiman Long [this message]
2014-10-16 18:10   ` [PATCH v12 08/11] qspinlock, x86: Rename paravirt_ticketlocks_enabled Waiman Long
2014-10-16 18:10 ` [PATCH v12 09/11] pvqspinlock, x86: Add para-virtualization support Waiman Long
2014-10-16 18:10   ` Waiman Long
2014-10-24  8:47   ` Peter Zijlstra
2014-10-24 20:53     ` Waiman Long
2014-10-24 20:53       ` Waiman Long
2014-10-24 22:04       ` Peter Zijlstra
2014-10-24 22:04         ` Peter Zijlstra
2014-10-25  4:30         ` Mike Galbraith
2014-10-27 17:15         ` Waiman Long
2014-10-27 17:15           ` Waiman Long
2014-10-27 17:27           ` Peter Zijlstra
2014-10-27 20:50             ` Waiman Long
2014-10-27 20:50               ` Waiman Long
2014-10-24  8:54   ` Peter Zijlstra
2014-10-24  8:54     ` Peter Zijlstra
2014-10-27 17:38     ` Waiman Long
2014-10-27 17:38       ` Waiman Long
2014-10-27 18:02       ` Konrad Rzeszutek Wilk
2014-10-27 18:02         ` Konrad Rzeszutek Wilk
2014-10-27 20:55         ` Waiman Long
2014-10-27 20:55           ` Waiman Long
2014-11-26  0:33         ` Waiman Long
2014-12-01 16:51           ` Konrad Rzeszutek Wilk
2014-12-01 16:51             ` Konrad Rzeszutek Wilk
2014-10-27 18:04       ` Peter Zijlstra
2014-10-27 18:04         ` Peter Zijlstra
2014-10-27 21:22         ` Waiman Long
2014-10-29 19:05           ` Waiman Long
2014-10-29 19:05             ` Waiman Long
2014-10-29 20:25             ` Waiman Long
2014-10-16 18:10 ` [PATCH v12 10/11] pvqspinlock, x86: Enable PV qspinlock for KVM Waiman Long
2014-10-16 18:10   ` Waiman Long
2014-10-16 18:10 ` [PATCH v12 11/11] pvqspinlock, x86: Enable PV qspinlock for XEN Waiman Long
2014-10-16 18:10   ` Waiman Long
2014-10-24  8:57 ` [PATCH v12 00/11] qspinlock: a 4-byte queue spinlock with PV support Peter Zijlstra
2014-10-24  8:57   ` Peter Zijlstra
2014-10-27 18:00   ` Waiman Long
2014-10-27 18:00     ` Waiman Long

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