".section .fixup,\"ax\"\n\t"
"3: mov %3,%0 ; jmp 1b\n\t"
".previous\n\t"
- ".section __ex_table,\"a\"\n"
- _ASM_ALIGN "\n\t"
- _ASM_PTR " 2b,3b\n\t"
- ".previous"
+ _ASM_EXTABLE(2b,3b)
: "=r" (*err), EAX_EDX_RET(val, low, high)
: "c" (msr), "i" (-EFAULT));
return EAX_EDX_VAL(val, low, high);
".section .fixup,\"ax\"\n\t"
"3: mov %4,%0 ; jmp 1b\n\t"
".previous\n\t"
- ".section __ex_table,\"a\"\n"
- _ASM_ALIGN "\n\t"
- _ASM_PTR " 2b,3b\n\t"
- ".previous"
+ _ASM_EXTABLE(2b,3b)
: "=a" (err)
: "c" (msr), "0" (low), "d" (high),
"i" (-EFAULT));
extern unsigned long long native_read_tsc(void);
+static __always_inline unsigned long long __native_read_tsc(void)
+{
+ DECLARE_ARGS(val, low, high);
+
+ rdtsc_barrier();
+ asm volatile("rdtsc" : EAX_EDX_RET(val, low, high));
+ rdtsc_barrier();
+
+ return EAX_EDX_VAL(val, low, high);
+}
+
static inline unsigned long long native_read_pmc(int counter)
{
DECLARE_ARGS(val, low, high);