From 51eeef9e135ac00cf706fad1a3bde775ca578462 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Thu, 2 Aug 2018 07:54:01 +0000 Subject: [PATCH] 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 Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/time.c | 5 +++-- 1 file 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;