x86: io-apic - declare irq_cfg_lock for SPARSE_IRQ only
We use irq_cfg_lock lock in SPARSE_IRQ only context so
move it under #ifdef and compiler will be happy.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 9b01fda..d22fecf 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -147,14 +147,15 @@
static struct irq_cfg *irq_cfgx;
+#ifdef CONFIG_HAVE_SPARSE_IRQ
/*
* Protect the irq_cfgx_free freelist:
*/
static DEFINE_SPINLOCK(irq_cfg_lock);
-#ifdef CONFIG_HAVE_SPARSE_IRQ
static struct irq_cfg *irq_cfgx_free;
#endif
+
static void __init init_work(void *data)
{
struct dyn_array *da = data;