All of lore.kernel.org
 help / color / mirror / Atom feed
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, Waiman Long <Waiman.Long@hp.com>,
	Rik van Riel <riel@redhat.com>,
	Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
	kvm@vger.kernel.org,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Peter Zijlstra <peterz@infradead.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,
	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>,
	Douglas Hatch <doug.hatch@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__28489.8256570616$1413483279$gmane$org@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(&paravirt_ticketlocks_enabled)) {
+	    static_key_false(&paravirt_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(&paravirt_ticketlocks_enabled);
+	static_key_slow_inc(&paravirt_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(&paravirt_ticketlocks_enabled);
+	static_key_slow_inc(&paravirt_spinlocks_enabled);
 	return 0;
 }
 early_initcall(xen_init_spinlocks_jump);
-- 
1.7.1

  parent reply	other threads:[~2014-10-16 18:10 UTC|newest]

Thread overview: 108+ 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   ` Waiman Long
2014-10-16 18:10   ` 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   ` Waiman Long
2014-10-16 18:10   ` 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   ` Waiman Long
2014-10-16 18:10   ` 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   ` Waiman Long
2014-10-16 18:10 ` 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   ` Waiman Long
2014-10-16 18:10   ` 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 ` Waiman Long
2014-10-16 18:10   ` 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
2014-10-16 18:10   ` 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 ` Waiman Long
2014-10-16 18:10   ` Waiman Long
2014-10-16 18:10   ` 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
2014-10-16 18:10 ` Waiman Long
2014-10-24  8:47   ` Peter Zijlstra
2014-10-24  8:47   ` Peter Zijlstra
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
2014-10-25  4:30         ` Mike Galbraith
2014-10-25  4:30         ` Mike Galbraith
2014-10-27 17:15         ` Waiman Long
2014-10-27 17:15         ` Waiman Long
2014-10-27 17:15           ` Waiman Long
2014-10-27 17:27           ` Peter Zijlstra
2014-10-27 20:50             ` Waiman Long
2014-10-27 20:50             ` Waiman Long
2014-10-27 20:50               ` Waiman Long
2014-10-27 17:27           ` Peter Zijlstra
2014-10-27 17:27           ` Peter Zijlstra
2014-10-24 22:04       ` Peter Zijlstra
2014-10-24 20:53     ` 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
2014-10-27 20:55         ` Waiman Long
2014-11-26  0:33         ` Waiman Long
2014-11-26  0:33         ` 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
2014-12-01 16:51             ` Konrad Rzeszutek Wilk
2014-10-27 18:02       ` Konrad Rzeszutek Wilk
2014-10-27 18:04       ` Peter Zijlstra
2014-10-27 18:04       ` Peter Zijlstra
2014-10-27 18:04       ` Peter Zijlstra
2014-10-27 21:22         ` Waiman Long
2014-10-27 21:22         ` Waiman Long
2014-10-27 21:22         ` Waiman Long
2014-10-29 19:05           ` Waiman Long
2014-10-29 19:05           ` Waiman Long
2014-10-29 19:05             ` Waiman Long
2014-10-29 20:25             ` Waiman Long
2014-10-29 20:25             ` Waiman Long
2014-10-29 20:25             ` Waiman Long
2014-10-27 17:38     ` Waiman Long
2014-10-24  8:54   ` Peter Zijlstra
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 ` 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
2014-10-16 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
2014-10-24  8:57   ` Peter Zijlstra
2014-10-27 18:00   ` Waiman Long
2014-10-27 18:00   ` Waiman Long
2014-10-27 18:00     ` Waiman Long

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='1413483040-58399-9-git-send-email-Waiman.Long__28489.8256570616$1413483279$gmane$org@hp.com' \
    --to=waiman.long@hp.com \
    --cc=boris.ostrovsky@oracle.com \
    --cc=david.vrabel@citrix.com \
    --cc=doug.hatch@hp.com \
    --cc=hpa@zytor.com \
    --cc=konrad.wilk@oracle.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-arch@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=oleg@redhat.com \
    --cc=paolo.bonzini@gmail.com \
    --cc=paulmck@linux.vnet.ibm.com \
    --cc=peterz@infradead.org \
    --cc=raghavendra.kt@linux.vnet.ibm.com \
    --cc=riel@redhat.com \
    --cc=scott.norton@hp.com \
    --cc=tglx@linutronix.de \
    --cc=torvalds@linux-foundation.org \
    --cc=virtualization@lists.linux-foundation.org \
    --cc=x86@kernel.org \
    --cc=xen-devel@lists.xenproject.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.