aboutsummaryrefslogtreecommitdiff
path: root/arch/s390/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/entry.S8
-rw-r--r--arch/s390/kernel/entry64.S8
2 files changed, 14 insertions, 2 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index c8a2212014e..6234c6978a1 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -769,10 +769,13 @@ mcck_return:
RESTORE_ALL __LC_RETURN_MCCK_PSW,0
-#ifdef CONFIG_SMP
/*
* Restart interruption handler, kick starter for additional CPUs
*/
+#ifdef CONFIG_SMP
+#ifndef CONFIG_HOTPLUG_CPU
+ .section .init.text,"ax"
+#endif
.globl restart_int_handler
restart_int_handler:
l %r15,__LC_SAVE_AREA+60 # load ksp
@@ -785,6 +788,9 @@ restart_int_handler:
br %r14 # branch to start_secondary
restart_addr:
.long start_secondary
+#ifndef CONFIG_HOTPLUG_CPU
+ .previous
+#endif
#else
/*
* If we do not run with SMP enabled, let the new CPU crash ...
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 93745fd8f55..685f11faa4b 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -745,10 +745,13 @@ mcck_return:
#endif
lpswe __LC_RETURN_MCCK_PSW # back to caller
-#ifdef CONFIG_SMP
/*
* Restart interruption handler, kick starter for additional CPUs
*/
+#ifdef CONFIG_SMP
+#ifndef CONFIG_HOTPLUG_CPU
+ .section .init.text,"ax"
+#endif
.globl restart_int_handler
restart_int_handler:
lg %r15,__LC_SAVE_AREA+120 # load ksp
@@ -759,6 +762,9 @@ restart_int_handler:
lmg %r6,%r15,__SF_GPRS(%r15) # load registers from clone
stosm __SF_EMPTY(%r15),0x04 # now we can turn dat on
jg start_secondary
+#ifndef CONFIG_HOTPLUG_CPU
+ .previous
+#endif
#else
/*
* If we do not run with SMP enabled, let the new CPU crash ...