Re: [PATCH] Improving send_sigio() scalability
Linus Torvalds (torvalds@transmeta.com)
Sat, 22 May 1999 14:20:06 -0700 (PDT)
On Thu, 20 May 1999, Richard Gooch wrote:
> >
> > > + if ((fown->euid != 0) &&
> > > + (fown->euid ^ p->suid) && (fown->euid ^ p->uid) &&
> > > + (fown->uid ^ p->suid) && (fown->uid ^ p->uid))
> >
> > Why don't you use != when that is what you mean?
>
> Good question. Why not take that up with the original author of those
> lines? I just moved them as-is, as I wanted to have minimal impact.
It used to do noticeably better compiler-wise. I don't know if newer
versions of gcc have made ^ and != generate the same code.
Linus
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/