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(¶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 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(¶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 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(¶virt_ticketlocks_enabled);
+ static_key_slow_inc(¶virt_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(¶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 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(¶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 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(¶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:[~2014-10-16 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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