forked from luck/tmp_suning_uos_patched
s390/time: fix get_tod_clock_ext inline assembly
The get_tod_clock_ext inline assembly does not specify its output operands correctly. This can cause incorrect code to be generated. Cc: stable@vger.kernel.org # 3.12 Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -71,9 +71,11 @@ static inline void local_tick_enable(unsigned long long comp)
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typedef unsigned long long cycles_t;
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static inline void get_tod_clock_ext(char *clk)
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static inline void get_tod_clock_ext(char clk[16])
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{
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asm volatile("stcke %0" : "=Q" (*clk) : : "cc");
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typedef struct { char _[sizeof(clk)]; } addrtype;
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asm volatile("stcke %0" : "=Q" (*(addrtype *) clk) : : "cc");
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}
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static inline unsigned long long get_tod_clock(void)
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