On Tue, Jun 26, 2007 at 11:57:07AM +0100, David Woodhouse wrote:
>
> Your syscalls blindly dereference userspace pointers instead of using
> copy_{to,from} user.
I use access_ok() to test userspace addresses. It should be ok,
shouldn't it?
> Why did you split all your syscalls into two functions?
>
> s/__FUNCTION__/__func__/
Just for an easy management of mutex locking.
> s/antennas/antennae/
Done. However I found other files in the kernel code with the same
error... ;)
> You seem to have added debugging messages mentioning 'serial8250' into
> serial_core.h
Yes! Fixed.
> You added <linux/pps.h> with #ifdef __KERNEL__ in it, but didn't export
> it to userspace. Why?
This file is called by timepps.h who exports the userland data.
> Your structures for userspace communication look OK -- I don't think you
> need special 32/64 compatibility for them. You do need it for the
> 'struct timespec' in sys_time_pps_fetch() though.
Mmm... can you please explain a bit what do you mean? Maybe just a
link...
> Must we have the ioctl-like interface to sys_time_pps_cmd()? If the
It seems to me stronger then other solutions...
> second argument is always 'struct pps_source_data_s *', why does the
> syscall pretend it's 'void *'?
Just to keep sys_time_pps_cmd() generic for future new commands.
Thanks,
Rodolfo
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