Commit 683071b0 authored by Heiko Carstens's avatar Heiko Carstens Committed by Vasily Gorbik
Browse files

s390/cpum_cf_diag: use get_tod_clock_fast() 



Use get_tod_clock_fast() instead of store_tod_clock(), since
store_tod_clock() can be very slow.

Reviewed-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent b29c5093

arch/s390/kernel/perf_cpum_cf_diag.c

+1 −1
Original line number Diff line number Diff line
@@ -119,7 +119,7 @@ static void cf_diag_trailer(struct cf_trailer_entry *te) 
		te->speed = 1;

	te->clock_base = 1;			/* Save clock base */

	memcpy(&te->tod_base, &tod_clock_base[1], 8);

	store_tod_clock((__u64 *)&te->timestamp);

	te->timestamp = get_tod_clock_fast();

}



/*