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(¶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 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(¶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 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(¶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>,
"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(¶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 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(¶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 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(¶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:[~2014-04-17 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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