forked from rrcarlosr/Jetpack
50 lines
1.9 KiB
Diff
50 lines
1.9 KiB
Diff
From 9770e313017d7f3fde4537d7b491ffabfb06766a Mon Sep 17 00:00:00 2001
|
|
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|
Date: Fri, 21 Oct 2016 10:29:11 +0200
|
|
Subject: [PATCH 038/352] x86/apic: get rid of "warning: 'acpi_ioapic_lock'
|
|
defined but not used"
|
|
|
|
kbuild test robot reported this against the -RT tree:
|
|
|
|
| In file included from include/linux/mutex.h:30:0,
|
|
| from include/linux/notifier.h:13,
|
|
| from include/linux/memory_hotplug.h:6,
|
|
| from include/linux/mmzone.h:777,
|
|
| from include/linux/gfp.h:5,
|
|
| from include/linux/slab.h:14,
|
|
| from include/linux/resource_ext.h:19,
|
|
| from include/linux/acpi.h:26,
|
|
| from arch/x86/kernel/acpi/boot.c:27:
|
|
|>> arch/x86/kernel/acpi/boot.c:90:21: warning: 'acpi_ioapic_lock' defined but not used [-Wunused-variable]
|
|
| static DEFINE_MUTEX(acpi_ioapic_lock);
|
|
| ^
|
|
| include/linux/mutex_rt.h:27:15: note: in definition of macro 'DEFINE_MUTEX'
|
|
| struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
|
|
^~~~~~~~~
|
|
which is also true (as in non-used) for !RT but the compiler does not
|
|
emit a warning.
|
|
|
|
Reported-by: kbuild test robot <fengguang.wu@intel.com>
|
|
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|
---
|
|
arch/x86/kernel/acpi/boot.c | 2 ++
|
|
1 file changed, 2 insertions(+)
|
|
|
|
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
|
|
index 0a1e8a6..4f7482b 100644
|
|
--- a/arch/x86/kernel/acpi/boot.c
|
|
+++ b/arch/x86/kernel/acpi/boot.c
|
|
@@ -87,7 +87,9 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
|
|
* ->ioapic_mutex
|
|
* ->ioapic_lock
|
|
*/
|
|
+#ifdef CONFIG_X86_IO_APIC
|
|
static DEFINE_MUTEX(acpi_ioapic_lock);
|
|
+#endif
|
|
|
|
/* --------------------------------------------------------------------------
|
|
Boot-time Configuration
|
|
--
|
|
2.7.4
|
|
|