Removal of kern_xxx() no-at variants.
jhb at freebsd.org
Wed Nov 12 15:58:46 UTC 2014
On Wednesday, November 12, 2014 8:24:52 am Konstantin Belousov wrote:
> We have 'fat' KPI for kern_open() and other vfs syscall helpers, after
> the at-version of the syscalls was added somewhere at 8-CURRENT.
> For instance, we provide
> kern_open() and kern_openat().
> But more, we provide
> first three being a trivial wrapper around kern_statat_vhook().
> More, existence of two or (sometimes) three layers around basic
> syscall helper causes issues like r271655 making the argument
> validation split.
> Kepping the compat layer was reasonable in 8-CURRENT time when the
> at variants were experimental and patch to add the syscalls was
> already large and error-prone. Now, I think we should shave the
> extra call indirections, it costs nothing at callers and sometimes
> even improves the code.
The idea sounds fine to me. Note that I only did a glance over the diff
rather than a thorough review.
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