Andi Kleen wrote:
> "H. Peter Anvin" <[email protected]> writes:
>
>> Gautam Singaraju wrote:
>>> I use the _syscall0 macro.
>> Don't. The _syscall*() macros have been unsupported for ages,
>
> That's not true. I supported them on x86 before they were removed against
> my objections.
>
>> and broken for ever longer.
>
> Well, most syscall() versions get 6 argument calls wrong
> (not sure if that is finally fixed). _syscall*() didn't support
> -fPIC for larger argument counts (_syscall0-2 never had a problem)
>
> So all alternatives short of writing your own stub had various
> issues. If you needed 6 argument calls _syscall* was typically
> the best alternative.
>
They were *always* broken for 64-bit arguments on 32-bit machines, however.
-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]
