Andi Kleen wrote:
>> asm-i386/msr.h should not be exported to userspace at all, it contains
>> nothing but kernel-internal helpers.
>
> Actually rdtsc and rdtscll and potentially rdpmc which is in there can be very
> useful in user space if you know what you're doing. Unfortunately a lot of its users don't,
> but not having the include probably won't stop them either.
More likely, people will just re-implement them incorrectly.
However, the rdtsc() definition in the kernel is weird (and removable, I
think there are no more users -- I have it removed in my MSR driver
rewrite tree which I need to get off my arse and push.) Most users
would expect the rdtscll() functionality with the rdtsc() name.
-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
