Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

1 files changed, 13 insertions, 7 deletions

diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index d80f193cd871..f5f79196721c 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -191,11 +191,7 @@ static int get_irq_server(unsigned int virq, cpumask_t cpumask,
         return default_server;
 }
 #else
-static int get_irq_server(unsigned int virq, cpumask_t cpumask,
-                          unsigned int strict_check)
-{
-        return default_server;
-}
+#define get_irq_server(virq, cpumask, strict_check) (default_server)
 #endif
 
 static void xics_unmask_irq(unsigned int virq)
@@ -788,9 +784,13 @@ static void xics_set_cpu_priority(unsigned char cppr)
 {
         struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr);
 
-        BUG_ON(os_cppr->index != 0);
+        /*
+         * we only really want to set the priority when there's
+         * just one cppr value on the stack
+         */
+        WARN_ON(os_cppr->index != 0);
 
-        os_cppr->stack[os_cppr->index] = cppr;
+        os_cppr->stack[0] = cppr;
 
         if (firmware_has_feature(FW_FEATURE_LPAR))
                 lpar_cppr_info(cppr);
@@ -825,8 +825,14 @@ void xics_setup_cpu(void)
 
 void xics_teardown_cpu(void)
 {
+        struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr);
         int cpu = smp_processor_id();
 
+        /*
+         * we have to reset the cppr index to 0 because we're
+         * not going to return from the IPI
+         */
+        os_cppr->index = 0;
         xics_set_cpu_priority(0);
 
         /* Clear any pending IPI request */