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(¶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 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(¶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>, 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(¶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 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(¶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:[~2014-05-30 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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