Re: [RFC, PATCH 17/24] i386 Vmi msr patch

[Andi Kleen]

> -#define rdtsc(low,high) \
> -     __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high))
> -
> -#define rdtscl(low) \
> -     __asm__ __volatile__("rdtsc" : "=a" (low) : : "edx")
> -
> -#define rdtscll(val) \
> -     __asm__ __volatile__("rdtsc" : "=A" (val))
> -
> -#define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
> -
> -#define rdpmc(counter,low,high) \
> -     __asm__ __volatile__("rdpmc" \
> -			  : "=a" (low), "=d" (high) \
> -			  : "c" (counter))

The kernel doesn't use rdpmc. And moving rdtsc is useless
as I wrote earlier.

But mostly it is used from user space and you will break everything there.

-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/