[kvm-unit-tests,PULL,14/17] s390x: smp: Remove unneeded cpu loops

Commit Message

David Hildenbrand April 30, 2020, 3:24 p.m. UTC

From: Janosch Frank <[e-mail]>

Now that we have a loop which is executed after we return from the
main function of a secondary cpu, we can remove the surplus loops.

Signed-off-by: Janosch Frank <[e-mail]>
Reviewed-by: Cornelia Huck <[e-mail]>
Acked-by: David Hildenbrand <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: David Hildenbrand <[e-mail]>
---
 s390x/smp.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

Patch

diff --git a/s390x/smp.c b/s390x/smp.c
index 447b998..f2319c4 100644
--- a/s390x/smp.c
+++ b/s390x/smp.c
@@ -35,15 +35,9 @@  static void set_flag(int val)
 	mb();
 }
 
-static void cpu_loop(void)
-{
-	for (;;) {}
-}
-
 static void test_func(void)
 {
 	set_flag(1);
-	cpu_loop();
 }
 
 static void test_start(void)
@@ -306,7 +300,7 @@  int main(void)
 
 	/* Setting up the cpu to give it a stack and lowcore */
 	psw.mask = extract_psw_mask();
-	psw.addr = (unsigned long)cpu_loop;
+	psw.addr = (unsigned long)test_func;
 	smp_cpu_setup(1, psw);
 	smp_cpu_stop(1);