[Skiboot] [PATCH 24/34] cpu: Add cpu_check_jobs()

[Benjamin Herrenschmidt]

Wrapper around list_empty_nocheck() to see if there's any
job pending on a given CPU

Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
---
 core/cpu.c    | 8 ++++++--
 include/cpu.h | 2 ++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/core/cpu.c b/core/cpu.c
index d3a858a..6dd841c 100644
--- a/core/cpu.c
+++ b/core/cpu.c
@@ -160,6 +160,11 @@ void cpu_wait_job(struct cpu_job *job, bool free_it)
 		free(job);
 }
 
+bool cpu_check_jobs(struct cpu_thread *cpu)
+{
+	return !list_empty_nocheck(&cpu->job_queue);
+}
+
 void cpu_process_jobs(void)
 {
 	struct cpu_thread *cpu = this_cpu();
@@ -168,8 +173,7 @@ void cpu_process_jobs(void)
 	void *data;
 
 	sync();
-	if (list_empty_nocheck(&cpu->job_queue) &&
-	    list_empty_nocheck(&global_job_queue))
+	if (!cpu_check_jobs(cpu))
 		return;
 
 	lock(&cpu->job_lock);
diff --git a/include/cpu.h b/include/cpu.h
index fcd886b..1188168 100644
--- a/include/cpu.h
+++ b/include/cpu.h
@@ -242,6 +242,8 @@ extern void cpu_wait_job(struct cpu_job *job, bool free_it);
 extern void cpu_process_jobs(void);
 /* Fallback to running jobs synchronously for global jobs */
 extern void cpu_process_local_jobs(void);
+/* Check if there's any job pending */
+bool cpu_check_jobs(struct cpu_thread *cpu);
 
 static inline void cpu_give_self_os(void)
 {
-- 
2.7.4