Re: GJournal (hopefully) final patches.

From: Kip Macy <kmacy_at_fsmware.com> Date: Thu, 10 Aug 2006 08:33:36 -0700 (PDT) · This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:38:58 UTC

> > -fno-strict-aliasing does not solve anything, it just prevents the
> > compiler from telling you about bugs in your code.
>
> Which must be the reason that it is used when building the kernel on AMD64.
> ;-)

Actually, whenever the kernel is compiled with -O2. "Type punning" is
sufficiently uncommon in the kernel proper that it is correctable there.
However, it is pervasive throughout the device drivers.

                -Kip