Commit 095c89e9 authored by Sven Schnelle's avatar Sven Schnelle Committed by Alexander Gordeev
Browse files

s390/vtime: Use get_cpu_timer() 



Instead of implementing get_vtimer() use get_cpu_timer()
which does the same.

Reviewed-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarSven Schnelle <svens@linux.ibm.com>
Signed-off-by: default avatarAlexander Gordeev <agordeev@linux.ibm.com>
parent fa2ae4a3

arch/s390/kernel/vtime.c

+1 −9
Original line number Diff line number Diff line
@@ -33,14 +33,6 @@ static DEFINE_PER_CPU(u64, mt_scaling_mult) = { 1 }; 
static DEFINE_PER_CPU(u64, mt_scaling_div) = { 1 };

static DEFINE_PER_CPU(u64, mt_scaling_jiffies);



static inline u64 get_vtimer(void)

{

	u64 timer;



	asm volatile("stpt %0" : "=Q" (timer));

	return timer;

}



static inline void set_vtimer(u64 expires)

{

	u64 timer;
@@ -223,7 +215,7 @@ static u64 vtime_delta(void) 
{

	u64 timer = S390_lowcore.last_update_timer;



	S390_lowcore.last_update_timer = get_vtimer();

	S390_lowcore.last_update_timer = get_cpu_timer();



	return timer - S390_lowcore.last_update_timer;

}