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From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Waiman.Long@hp.com, tglx@linutronix.de, mingo@kernel.org
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	xen-devel@lists.xenproject.org, kvm@vger.kernel.org,
	paolo.bonzini@gmail.com, konrad.wilk@oracle.com,
	boris.ostrovsky@oracle.com, paulmck@linux.vnet.ibm.com,
	riel@redhat.com, torvalds@linux-foundation.org,
	raghavendra.kt@linux.vnet.ibm.com, david.vrabel@citrix.com,
	oleg@redhat.com, gleb@redhat.com, scott.norton@hp.com,
	chegu_vinod@hp.com, Peter Zijlstra <peterz@infradead.org>
Subject: [PATCH 09/11] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled
Date: Sun, 15 Jun 2014 14:47:06 +0200	[thread overview]
Message-ID: <20140615130154.068615764@chello.nl> (raw)
In-Reply-To: 20140615124657.264658593@chello.nl

[-- Attachment #1: waiman_long-pvqspinlock_x86-rename_paravirt_ticketlocks_enabled.patch --]
[-- Type: text/plain, Size: 2320 bytes --]

From: Waiman Long <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(-)

--- 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_slowp
 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;
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -819,7 +819,7 @@ static __init int kvm_spinlock_init_jump
 	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;
--- 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);
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -293,7 +293,7 @@ static __init int xen_init_spinlocks_jum
 	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);

  parent reply	other threads:[~2014-06-15 12:47 UTC|newest]

Thread overview: 120+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-15 12:46 [PATCH 00/11] qspinlock with paravirt support Peter Zijlstra
2014-06-15 12:46 ` Peter Zijlstra
2014-06-15 12:46 ` [PATCH 01/11] qspinlock: A simple generic 4-byte queue spinlock Peter Zijlstra
2014-06-15 12:46   ` Peter Zijlstra
2014-06-16 20:49   ` Konrad Rzeszutek Wilk
2014-06-16 20:49     ` Konrad Rzeszutek Wilk
2014-06-17 20:03     ` Konrad Rzeszutek Wilk
2014-06-17 20:03       ` Konrad Rzeszutek Wilk
2014-06-23 16:12       ` Peter Zijlstra
2014-06-23 16:12         ` Peter Zijlstra
2014-06-23 16:20         ` Konrad Rzeszutek Wilk
2014-06-23 16:20           ` Konrad Rzeszutek Wilk
2014-06-23 15:56     ` Peter Zijlstra
2014-06-23 16:16       ` Konrad Rzeszutek Wilk
2014-06-23 16:16         ` Konrad Rzeszutek Wilk
2014-06-17 20:05   ` Konrad Rzeszutek Wilk
2014-06-17 20:05     ` Konrad Rzeszutek Wilk
2014-06-23 16:26     ` Peter Zijlstra
2014-06-23 16:26       ` Peter Zijlstra
2014-06-23 16:45       ` Konrad Rzeszutek Wilk
2014-06-23 16:45         ` Konrad Rzeszutek Wilk
2014-06-15 12:46 ` [PATCH 02/11] qspinlock, x86: Enable x86-64 to use " Peter Zijlstra
2014-06-15 12:46   ` Peter Zijlstra
2014-06-15 12:47 ` [PATCH 03/11] qspinlock: Add pending bit Peter Zijlstra
2014-06-15 12:47   ` Peter Zijlstra
2014-06-17 20:36   ` Konrad Rzeszutek Wilk
2014-06-17 20:36     ` Konrad Rzeszutek Wilk
2014-06-17 20:51     ` Waiman Long
2014-06-17 20:51       ` Waiman Long
2014-06-17 21:07       ` Konrad Rzeszutek Wilk
2014-06-17 21:07         ` Konrad Rzeszutek Wilk
2014-06-17 21:10         ` Konrad Rzeszutek Wilk
2014-06-17 21:10           ` Konrad Rzeszutek Wilk
2014-06-17 22:25           ` Waiman Long
2014-06-17 22:25             ` Waiman Long
2014-06-24  8:24         ` Peter Zijlstra
2014-06-24  8:24           ` Peter Zijlstra
2014-06-18 11:29     ` Paolo Bonzini
2014-06-18 11:29       ` Paolo Bonzini
2014-06-18 13:36       ` Konrad Rzeszutek Wilk
2014-06-18 13:36         ` Konrad Rzeszutek Wilk
2014-06-23 16:35     ` Peter Zijlstra
2014-06-23 16:35       ` Peter Zijlstra
2014-06-15 12:47 ` [PATCH 04/11] qspinlock: Extract out the exchange of tail code word Peter Zijlstra
2014-06-17 20:55   ` Konrad Rzeszutek Wilk
2014-06-17 20:55     ` Konrad Rzeszutek Wilk
2014-06-18 11:37     ` Paolo Bonzini
2014-06-18 11:37       ` Paolo Bonzini
2014-06-18 13:50       ` Konrad Rzeszutek Wilk
2014-06-18 13:50         ` Konrad Rzeszutek Wilk
2014-06-18 15:46         ` Waiman Long
2014-06-18 15:46           ` Waiman Long
2014-06-18 15:49           ` Paolo Bonzini
2014-06-18 15:49             ` Paolo Bonzini
2014-06-18 16:02           ` Konrad Rzeszutek Wilk
2014-06-18 16:02             ` Konrad Rzeszutek Wilk
2014-06-24 10:47       ` Peter Zijlstra
2014-06-24 10:47         ` Peter Zijlstra
2014-06-15 12:47 ` [PATCH 05/11] qspinlock: Optimize for smaller NR_CPUS Peter Zijlstra
2014-06-15 12:47   ` Peter Zijlstra
2014-06-18 11:39   ` Paolo Bonzini
2014-06-18 11:39     ` Paolo Bonzini
2014-07-07 14:35     ` Peter Zijlstra
2014-07-07 14:35       ` Peter Zijlstra
2014-07-07 15:08       ` Paolo Bonzini
2014-07-07 15:08         ` Paolo Bonzini
2014-07-07 15:35         ` Peter Zijlstra
2014-07-07 15:35           ` Peter Zijlstra
2014-07-07 16:10           ` Paolo Bonzini
2014-07-07 16:10             ` Paolo Bonzini
2014-06-18 15:57   ` Konrad Rzeszutek Wilk
2014-06-18 15:57     ` Konrad Rzeszutek Wilk
2014-07-07 14:33     ` Peter Zijlstra
2014-07-07 14:33       ` Peter Zijlstra
2014-06-15 12:47 ` [PATCH 06/11] qspinlock: Optimize pending bit Peter Zijlstra
2014-06-15 12:47   ` Peter Zijlstra
2014-06-18 11:42   ` Paolo Bonzini
2014-06-18 11:42     ` Paolo Bonzini
2014-06-15 12:47 ` [PATCH 07/11] qspinlock: Use a simple write to grab the lock, if applicable Peter Zijlstra
2014-06-15 12:47   ` Peter Zijlstra
2014-06-18 16:36   ` Konrad Rzeszutek Wilk
2014-06-18 16:36     ` Konrad Rzeszutek Wilk
2014-07-07 14:51     ` Peter Zijlstra
2014-07-07 14:51       ` Peter Zijlstra
2014-06-15 12:47 ` [PATCH 08/11] qspinlock: Revert to test-and-set on hypervisors Peter Zijlstra
2014-06-15 12:47   ` Peter Zijlstra
2014-06-16 21:57   ` Waiman Long
2014-06-18 16:40   ` Konrad Rzeszutek Wilk
2014-06-18 16:40     ` Konrad Rzeszutek Wilk
2014-06-15 12:47 ` Peter Zijlstra [this message]
2014-06-15 12:47   ` [PATCH 09/11] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled Peter Zijlstra
2014-06-18 16:43   ` Konrad Rzeszutek Wilk
2014-06-18 16:43     ` Konrad Rzeszutek Wilk
2014-06-15 12:47 ` [PATCH 10/11] qspinlock: Paravirt support Peter Zijlstra
2014-06-15 12:47   ` Peter Zijlstra
2014-06-16 22:08   ` Waiman Long
2014-06-18 12:03     ` Paolo Bonzini
2014-06-18 12:03       ` Paolo Bonzini
2014-06-18 15:26       ` Waiman Long
2014-06-18 15:26         ` Waiman Long
2014-07-07 15:20       ` Peter Zijlstra
2014-07-07 15:20         ` Peter Zijlstra
2014-07-07 15:20     ` Peter Zijlstra
2014-07-07 15:20       ` Peter Zijlstra
2014-06-17  0:53   ` Waiman Long
2014-06-17  0:53     ` Waiman Long
2014-06-18 12:04   ` Paolo Bonzini
2014-06-18 12:04     ` Paolo Bonzini
2014-06-20 13:46   ` Konrad Rzeszutek Wilk
2014-06-20 13:46     ` Konrad Rzeszutek Wilk
2014-07-07 15:27     ` Peter Zijlstra
2014-07-15 14:23       ` Konrad Rzeszutek Wilk
2014-07-15 14:23         ` Konrad Rzeszutek Wilk
2014-06-15 12:47 ` [PATCH 11/11] qspinlock, kvm: Add paravirt support Peter Zijlstra
2014-06-22 16:36   ` Raghavendra K T
2014-06-22 16:36     ` Raghavendra K T
2014-07-07 15:23     ` Peter Zijlstra
2014-07-07 15:23       ` Peter Zijlstra
2014-06-16 20:52 ` [PATCH 00/11] qspinlock with " Konrad Rzeszutek Wilk
2014-06-16 20:52   ` Konrad Rzeszutek Wilk

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