From: Waiman Long <Waiman.Long@hp.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Arnd Bergmann <arnd@arndb.de>,
Peter Zijlstra <peterz@infradead.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
kvm@vger.kernel.org, virtualization@lists.linux-foundation.org,
Andi Kleen <andi@firstfloor.org>,
Michel Lespinasse <walken@google.com>,
Alok Kataria <akataria@vmware.com>,
linux-arch@vger.kernel.org, Gleb Natapov <gleb@redhat.com>,
x86@kernel.org, xen-devel@lists.xenproject.org,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Scott J Norton <scott.norton@hp.com>,
Rusty Russell <rusty@rustcorp.com.au>,
Steven Rostedt <rostedt@goodmis.org>,
Chris Wright <chrisw@sous-sol.org>,
Oleg Nesterov <oleg@redhat.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Aswin Chandramouleeswaran <aswin@hp.com>,
Chegu Vinod <chegu_vinod@hp.com>,
Waiman Long <Waiman.Long@hp.com>,
linux-kernel@vger.kernel.org,
David Vrabel <david.vrabel@citrix.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linu
Subject: [PATCH v7 08/11] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled
Date: Wed, 19 Mar 2014 16:14:06 -0400 [thread overview]
Message-ID: <1395260049-30839-9-git-send-email-Waiman.Long@hp.com> (raw)
In-Reply-To: <1395260049-30839-1-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 a489140..f318e78 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -818,7 +818,7 @@ 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 a50032a..8c67cbe 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 581521c..06f4a64 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:[~2014-03-19 20:14 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-19 20:13 [PATCH v7 00/11] qspinlock: a 4-byte queue spinlock with PV support Waiman Long
2014-03-19 20:13 ` [PATCH v7 01/11] qspinlock: A generic 4-byte queue spinlock implementation Waiman Long
2014-03-19 20:14 ` [PATCH v7 02/11] qspinlock, x86: Enable x86-64 to use queue spinlock Waiman Long
2014-03-19 20:24 ` Konrad Rzeszutek Wilk
2014-03-21 3:36 ` Waiman Long
2014-03-19 20:14 ` [PATCH v7 03/11] qspinlock: More optimized code for smaller NR_CPUS Waiman Long
2014-03-19 20:14 ` [PATCH v7 04/11] qspinlock: Optimized code path for 2 contending tasks Waiman Long
2014-03-19 20:14 ` [PATCH v7 05/11] pvqspinlock, x86: Allow unfair spinlock in a PV guest Waiman Long
2014-03-19 20:14 ` [PATCH v7 06/11] pvqspinlock, x86: Allow unfair queue spinlock in a KVM guest Waiman Long
2014-03-20 22:01 ` Paolo Bonzini
2014-03-20 22:01 ` Paolo Bonzini
2014-03-20 22:29 ` H. Peter Anvin
2014-03-20 22:29 ` H. Peter Anvin
2014-03-20 22:40 ` Paolo Bonzini
2014-03-20 22:40 ` Paolo Bonzini
2014-03-21 21:27 ` Waiman Long
2014-03-19 20:14 ` [PATCH v7 07/11] pvqspinlock, x86: Allow unfair queue spinlock in a XEN guest Waiman Long
2014-03-19 20:28 ` Konrad Rzeszutek Wilk
2014-03-21 3:40 ` Waiman Long
2014-03-19 20:14 ` Waiman Long [this message]
2014-03-19 20:14 ` [PATCH v7 09/11] pvqspinlock, x86: Add qspinlock para-virtualization support Waiman Long
2014-03-19 20:14 ` [PATCH v7 10/11] pvqspinlock, x86: Enable qspinlock PV support for KVM Waiman Long
2014-03-20 22:07 ` Paolo Bonzini
2014-03-20 22:07 ` Paolo Bonzini
2014-03-21 21:41 ` Waiman Long
2014-03-19 20:14 ` [PATCH RFC v7 11/11] pvqspinlock, x86: Enable qspinlock PV support for XEN 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=1395260049-30839-9-git-send-email-Waiman.Long@hp.com \
--to=waiman.long@hp.com \
--cc=akataria@vmware.com \
--cc=akpm@linux-foundation.org \
--cc=andi@firstfloor.org \
--cc=arnd@arndb.de \
--cc=aswin@hp.com \
--cc=boris.ostrovsky@oracle.com \
--cc=chegu_vinod@hp.com \
--cc=chrisw@sous-sol.org \
--cc=david.vrabel@citrix.com \
--cc=gleb@redhat.com \
--cc=hpa@zytor.com \
--cc=jeremy@goop.org \
--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=paulmck@linux.vnet.ibm.com \
--cc=peterz@infradead.org \
--cc=raghavendra.kt@linux.vnet.ibm.com \
--cc=rostedt@goodmis.org \
--cc=rusty@rustcorp.com.au \
--cc=scott.norton@hp.com \
--cc=tglx@linutronix.de \
--cc=virtualization@lists.linux-foundation.org \
--cc=walken@google.com \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).