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authorkfraser@localhost.localdomain <kfraser@localhost.localdomain>2007-09-07 10:18:54 +0100
committerkfraser@localhost.localdomain <kfraser@localhost.localdomain>2007-09-07 10:18:54 +0100
commit05bc962b373f5f41c5659d0287e3cf0d2973cc89 (patch)
tree50045b7e46c70ee916846a26c08b47dab9e11ed3 /unmodified_drivers
parent787dcb588baf05031b52d567cdf56a9a465b5435 (diff)
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PV-on-HVM: Fix non-SMP build warning for PV-on-HVM drivers.
smp_call_function() compiles to nothing on non-SMP, so we had a defined-but-not-used static function. Based on an original patch by: Signed-off-by: Ben Guthro <bguthro@virtualiron.com> Signed-off-by: Robert Phillips <rphillips@virtualiron.com> Signed-off-by: Keir Fraser <keir@xensource.com>
Diffstat (limited to 'unmodified_drivers')
-rw-r--r--unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c b/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c
index 33c468d594..2c225b76ac 100644
--- a/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c
+++ b/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c
@@ -18,6 +18,8 @@ struct ap_suspend_info {
*/
static DEFINE_RWLOCK(suspend_lock);
+#ifdef CONFIG_SMP
+
/*
* Spinning prevents, for example, APs touching grant table entries while
* the shared grant table is not mapped into the address space imemdiately
@@ -43,6 +45,14 @@ static void ap_suspend(void *_info)
atomic_dec(&info->nr_spinning);
}
+#define initiate_ap_suspend(i) smp_call_function(ap_suspend, i, 0, 0)
+
+#else /* !defined(CONFIG_SMP) */
+
+#define initiate_ap_suspend(i) 0
+
+#endif
+
static int bp_suspend(void)
{
int suspend_cancelled;
@@ -80,7 +90,7 @@ int __xen_suspend(int fast_suspend)
nr_cpus = num_online_cpus() - 1;
- err = smp_call_function(ap_suspend, &info, 0, 0);
+ err = initiate_ap_suspend(&info);
if (err < 0) {
preempt_enable();
xenbus_suspend_cancel();