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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>,
	Rik van Riel <riel@redhat.com>,
	Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
	Gleb Natapov <gleb@redhat.com>,
	kvm@vger.kernel.org,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	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,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: [PATCH v11 11/16] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled
Date: Fri, 30 May 2014 11:43:57 -0400	[thread overview]
Message-ID: <1401464642-33890-12-git-send-email-Waiman.Long@hp.com> (raw)
In-Reply-To: <1401464642-33890-1-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 69ed806..d9041c9 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_VIRT_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(&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>, 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 v11 11/16] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled
Date: Fri, 30 May 2014 11:43:57 -0400	[thread overview]
Message-ID: <1401464642-33890-12-git-send-email-Waiman.Long@hp.com> (raw)
Message-ID: <20140530154357.dj8rWLypI_1rZGD2XSmTSstWwM_FMMcSShRBCVH3y_4@z> (raw)
In-Reply-To: <1401464642-33890-1-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 69ed806..d9041c9 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_VIRT_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(&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:[~2014-05-30 15:43 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-30 15:43 [PATCH v11 00/16] qspinlock: a 4-byte queue spinlock with PV support Waiman Long
2014-05-30 15:43 ` [PATCH v11 01/16] qspinlock: A simple generic 4-byte queue spinlock Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-05-30 15:43 ` [PATCH v11 02/16] qspinlock, x86: Enable x86-64 to use " Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-05-30 15:43 ` [PATCH v11 03/16] qspinlock: Add pending bit Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-05-30 15:43 ` [PATCH v11 04/16] qspinlock: Extract out the exchange of tail code word Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-05-30 15:43 ` [PATCH v11 05/16] qspinlock: Optimize for smaller NR_CPUS Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-05-30 15:43 ` [PATCH v11 06/16] qspinlock: prolong the stay in the pending bit path Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-06-11 10:26   ` Peter Zijlstra
2014-06-11 10:26     ` Peter Zijlstra
2014-06-11 21:22     ` Long, Wai Man
2014-06-11 21:22       ` Long, Wai Man
2014-06-12  6:00       ` Peter Zijlstra
2014-06-12 20:54         ` Waiman Long
2014-06-12 20:54           ` Waiman Long
2014-06-15 13:12           ` Peter Zijlstra
2014-06-15 13:12             ` Peter Zijlstra
2014-05-30 15:43 ` [PATCH v11 07/16] qspinlock: Use a simple write to grab the lock, if applicable Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-05-30 15:43 ` [PATCH v11 08/16] qspinlock: Prepare for unfair lock support Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-05-30 15:43 ` [PATCH v11 09/16] qspinlock, x86: Allow unfair spinlock in a virtual guest Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-06-11 10:54   ` Peter Zijlstra
2014-06-11 10:54     ` Peter Zijlstra
2014-06-11 11:38     ` Peter Zijlstra
2014-06-12  1:37     ` Long, Wai Man
2014-06-12  1:37       ` Long, Wai Man
2014-06-12  5:50       ` Peter Zijlstra
2014-06-12  5:50         ` Peter Zijlstra
2014-06-12 21:08         ` Waiman Long
2014-06-12 21:08           ` Waiman Long
2014-06-15 13:14           ` Peter Zijlstra
2014-06-15 13:14             ` Peter Zijlstra
2014-05-30 15:43 ` [PATCH v11 10/16] qspinlock: Split the MCS queuing code into a separate slowerpath Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-05-30 15:43 ` Waiman Long [this message]
2014-05-30 15:43   ` [PATCH v11 11/16] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled Waiman Long
2014-05-30 15:43 ` [PATCH v11 12/16] pvqspinlock, x86: Add PV data structure & methods Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-05-30 15:43 ` [PATCH v11 13/16] pvqspinlock: Enable coexistence with the unfair lock Waiman Long
2014-05-30 15:43   ` Waiman Long
2014-05-30 15:44 ` [PATCH v11 14/16] pvqspinlock: Add qspinlock para-virtualization support Waiman Long
2014-05-30 15:44   ` Waiman Long
2014-06-12  8:17   ` Peter Zijlstra
2014-06-12  8:17     ` Peter Zijlstra
2014-06-12 20:48     ` Waiman Long
2014-06-12 20:48       ` Waiman Long
2014-06-15 13:16       ` Peter Zijlstra
2014-06-15 13:16         ` Peter Zijlstra
2014-06-17 20:59         ` Konrad Rzeszutek Wilk
2014-06-17 20:59           ` Konrad Rzeszutek Wilk
2014-05-30 15:44 ` [PATCH v11 15/16] pvqspinlock, x86: Enable PV qspinlock PV for KVM Waiman Long
2014-05-30 15:44   ` Waiman Long
2014-05-30 15:44 ` [PATCH v11 16/16] pvqspinlock, x86: Enable PV qspinlock for XEN Waiman Long
2014-05-30 15:44   ` Waiman Long

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