linux-kernel - [PATCH 6/7] x86, asmlinkage, xen, kvm: Make {xen,kvm}_lock

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Date:	Tue, 22 Oct 2013 09:07:58 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	x86@...nel.org
Cc:	linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>,
	konrad.wilk@...cle.com, gleb@...hat.com,
	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>
Subject: [PATCH 6/7] x86, asmlinkage, xen, kvm: Make {xen,kvm}_lock_spinning global and visible

From: Andi Kleen <ak@...ux.intel.com>

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

Cc: konrad.wilk@...cle.com
Cc: gleb@...hat.com
Cc: Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 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 a0e2a8a..5d10bb5 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 be6b860..3ab9309 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);
-- 
1.8.3.1

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