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Diffstat (limited to 'arch/s390/include/asm/timex.h')
-rw-r--r--arch/s390/include/asm/timex.h17
1 files changed, 5 insertions, 12 deletions
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index c447a27..239ece9 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -73,11 +73,15 @@ static inline void local_tick_enable(unsigned long long comp)
typedef unsigned long long cycles_t;
-static inline unsigned long long get_clock (void)
+static inline unsigned long long get_clock(void)
{
unsigned long long clk;
+#ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES
+ asm volatile(".insn s,0xb27c0000,%0" : "=Q" (clk) : : "cc");
+#else
asm volatile("stck %0" : "=Q" (clk) : : "cc");
+#endif
return clk;
}
@@ -86,17 +90,6 @@ static inline void get_clock_ext(char *clk)
asm volatile("stcke %0" : "=Q" (*clk) : : "cc");
}
-static inline unsigned long long get_clock_fast(void)
-{
- unsigned long long clk;
-
- if (MACHINE_HAS_STCKF)
- asm volatile(".insn s,0xb27c0000,%0" : "=Q" (clk) : : "cc");
- else
- clk = get_clock();
- return clk;
-}
-
static inline unsigned long long get_clock_xt(void)
{
unsigned char clk[16];
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