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Message-Id: <1414613951-32532-9-git-send-email-Waiman.Long@hp.com>
Date: Wed, 29 Oct 2014 16:19:08 -0400
From: Waiman Long <Waiman.Long@...com>
To: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>,
Peter Zijlstra <peterz@...radead.org>
Cc: linux-arch@...r.kernel.org, x86@...nel.org,
linux-kernel@...r.kernel.org,
virtualization@...ts.linux-foundation.org,
xen-devel@...ts.xenproject.org, kvm@...r.kernel.org,
Paolo Bonzini <paolo.bonzini@...il.com>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
Boris Ostrovsky <boris.ostrovsky@...cle.com>,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
Rik van Riel <riel@...hat.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>,
David Vrabel <david.vrabel@...rix.com>,
Oleg Nesterov <oleg@...hat.com>,
Scott J Norton <scott.norton@...com>,
Douglas Hatch <doug.hatch@...com>,
Waiman Long <Waiman.Long@...com>,
Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH v13 08/11] qspinlock, x86: Rename paravirt_ticketlocks_enabled
This patch renames the paravirt_ticketlocks_enabled static key to a
more generic paravirt_spinlocks_enabled name.
Signed-off-by: Waiman Long <Waiman.Long@...com>
Signed-off-by: Peter Zijlstra <peterz@...radead.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 f6945be..eaa064c 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -827,7 +827,7 @@ 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 23b45eb..d332ae0 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
--
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