[tip:x86/asmlinkage] x86, asmlinkage, xen, kvm: Make {xen,kvm}_lock_spinning global and visible

From: tip-bot for Andi Kleen
Date: Thu Jan 30 2014 - 01:22:38 EST


Commit-ID: dd41f818e581bc8244d34d594e20331fcb835524
Gitweb: http://git.kernel.org/tip/dd41f818e581bc8244d34d594e20331fcb835524
Author: Andi Kleen <ak@xxxxxxxxxxxxxxx>
AuthorDate: Tue, 22 Oct 2013 09:07:58 -0700
Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Wed, 29 Jan 2014 22:17:18 -0800

x86, asmlinkage, xen, kvm: Make {xen,kvm}_lock_spinning global and visible

These functions are called from inline assembler stubs, thus
need to be global and visible.

Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Gleb Natapov <gleb@xxxxxxxxxx>
Cc: Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1382458079-24450-7-git-send-email-andi@xxxxxxxxxxxxxx
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
---
arch/x86/kernel/kvm.c | 2 +-
arch/x86/xen/spinlock.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 6dd802c..cd1b362 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -673,7 +673,7 @@ static cpumask_t waiting_cpus;
/* Track spinlock on which a cpu is waiting */
static DEFINE_PER_CPU(struct kvm_lock_waiting, klock_waiting);

-static void kvm_lock_spinning(struct arch_spinlock *lock, __ticket_t want)
+__visible void kvm_lock_spinning(struct arch_spinlock *lock, __ticket_t want)
{
struct kvm_lock_waiting *w;
int cpu;
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index 0e36cde..581521c 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -106,7 +106,7 @@ static DEFINE_PER_CPU(struct xen_lock_waiting, lock_waiting);
static cpumask_t waiting_cpus;

static bool xen_pvspin = true;
-static void xen_lock_spinning(struct arch_spinlock *lock, __ticket_t want)
+__visible void xen_lock_spinning(struct arch_spinlock *lock, __ticket_t want)
{
int irq = __this_cpu_read(lock_kicker_irq);
struct xen_lock_waiting *w = &__get_cpu_var(lock_waiting);
--
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