powerpc/time: no steal_time when CONFIG_PPC_SPLPAR is not selected

If CONFIG_PPC_SPLPAR is not selected, steal_time will always
be NUL, so accounting it is pointless

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 3 insertions, 2 deletions

diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 9289fac75af7..3646affae963 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -413,8 +413,10 @@ void vtime_flush(struct task_struct *tsk)
         if (acct->gtime)
                 account_guest_time(tsk, cputime_to_nsecs(acct->gtime));
 
-        if (acct->steal_time)
+        if (IS_ENABLED(CONFIG_PPC_SPLPAR) && acct->steal_time) {
                 account_steal_time(cputime_to_nsecs(acct->steal_time));
+                acct->steal_time = 0;
+        }
 
         if (acct->idle_time)
                 account_idle_time(cputime_to_nsecs(acct->idle_time));
@@ -434,7 +436,6 @@ void vtime_flush(struct task_struct *tsk)
 
         acct->utime = 0;
         acct->gtime = 0;
-        acct->steal_time = 0;
         acct->idle_time = 0;
         acct->stime = 0;
         acct->hardirq_time = 0;