On Fri, Jul 10, 2009 at 10:14 AM, Jakub Jelinek <ja...@redhat.com> wrote:
> On Fri, Jul 10, 2009 at 09:08:49AM +0100, Ron Yorston wrote: > > Jakub Jelinek <ja...@redhat.com> wrote: > > >Also, while prelink process has been fairly expensive some years ago, it > is > > >much faster these days; if you haven't installed any rpms in the last > day, > > >most of the days the cron job will just quit, if you have installed > some, > > >for libraries/binaries that don't need reprelinking it will just do a > quick > > >stat and nothing else, and even a full prelink takes just a minute or > two. > > > > So what got faster, prelink or hardware? > > > > My experience, some years ago, was that a full prelink took 35-40 > minutes. > > Since I didn't see any visible difference in performance I added "turn > off > > prelink" to my list of things to do after installing Fedore. > > Both. prelink's C++ optimizations used to be quite time consuming, > that has been fixed, also there were changes to avoid reading all libraries > and binaries, even when those haven't changed since last prelinking and > don't need prelinking even now. > Ok. But prelink it or not a requisite for ASLR or not ? In other word, besides performance is disabling prelink a security matter or not ? It is not bad to have some answer on this. Regards > > Jakub > > -- > fedora-devel-list mailing list > fedora-devel-list@redhat.com > https://www.redhat.com/mailman/listinfo/fedora-devel-list >
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