Commit 12310e9c authored by Martin Schwidefsky's avatar Martin Schwidefsky

[S390] Enable tick based perf_counter on s390.

Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 181d9522
...@@ -94,6 +94,7 @@ config S390 ...@@ -94,6 +94,7 @@ config S390
select HAVE_KVM if 64BIT select HAVE_KVM if 64BIT
select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_TRACEHOOK
select INIT_ALL_POSSIBLE select INIT_ALL_POSSIBLE
select HAVE_PERF_COUNTERS
source "init/Kconfig" source "init/Kconfig"
......
/*
* Performance counter support - s390 specific definitions.
*
* Copyright 2009 Martin Schwidefsky, IBM Corporation.
*/
static inline void set_perf_counter_pending(void) {}
static inline void clear_perf_counter_pending(void) {}
...@@ -13,6 +13,12 @@ ...@@ -13,6 +13,12 @@
#define cpu_relax() asm volatile ("" ::: "memory"); #define cpu_relax() asm volatile ("" ::: "memory");
#endif #endif
#ifdef __s390__
#include "../../arch/s390/include/asm/unistd.h"
#define rmb() asm volatile("bcr 15,0" ::: "memory")
#define cpu_relax() asm volatile("" ::: "memory");
#endif
#include <time.h> #include <time.h>
#include <unistd.h> #include <unistd.h>
#include <sys/types.h> #include <sys/types.h>
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment