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authorFrederic Weisbecker <fweisbec@gmail.com>2013-01-21 00:50:22 +0100
committerFrederic Weisbecker <fweisbec@gmail.com>2013-01-27 20:35:40 +0100
commitc11f11fcbdb5be790c565aed46411486a7586afc (patch)
tree56552d483192df72e9c2bbb4c3b976ba05740626 /arch/powerpc/kernel
parent6fac4829ce0ef9b7f24369086ce5f0e9f38d37bc (diff)
downloadlinux-c11f11fcbdb5be790c565aed46411486a7586afc.tar.bz2
kvm: Prepare to add generic guest entry/exit callbacks
Do some ground preparatory work before adding guest_enter() and guest_exit() context tracking callbacks. Those will be later used to read the guest cputime safely when we run in full dynticks mode. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Gleb Natapov <gleb@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Li Zhong <zhong@linux.vnet.ibm.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/time.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 22c9b67f9983..2e04b37f67f9 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -347,6 +347,7 @@ void vtime_account_system(struct task_struct *tsk)
if (stolen)
account_steal_time(stolen);
}
+EXPORT_SYMBOL_GPL(vtime_account_system);
void vtime_account_idle(struct task_struct *tsk)
{