Date: Fri, 17 Nov 2006 10:57:24 +0300 From: Ruslan Ermilov <ru@freebsd.org> To: Alexander Kabaev <kabaev@gmail.com> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org, Andriy Gapon <avg@icyb.net.ua>, Jung-uk Kim <jkim@freebsd.org> Subject: Re: ZFS patches for FreeBSD. Message-ID: <20061117075724.GB21627@rambler-co.ru> In-Reply-To: <20061116215639.73d00824@kan.dnsalias.net> References: <1163701391.00638085.1163691003@10.7.7.3> <455CB8CA.8040603@icyb.net.ua> <200611161506.58128.jkim@FreeBSD.org> <20061116215639.73d00824@kan.dnsalias.net>
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--ftEhullJWpWg/VHq Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Nov 16, 2006 at 09:56:39PM -0500, Alexander Kabaev wrote: > On Thu, 16 Nov 2006 15:06:56 -0500 > Jung-uk Kim <jkim@FreeBSD.org> wrote: >=20 > > On Thursday 16 November 2006 02:15 pm, Andriy Gapon wrote: > > > Hmm, I saw errors like this with some other 3rd party kernel module > > > when its sources had constructs like: > > > > > > struct some_struct s =3D {0}; > > > > > > Changing the above initialization to explicit bzero() call helped > > > in that case, but I think that there should be some compiler flags > > > or something to handle this. > >=20 > > AFAIK, there was no way to handle this GCC bug with compiler flags. =20 > > '-ffreestanding' should prevent this to happen but it does not. As=20 > > Max Laier pointed out, it was discussed long time ago. Bruce Evans=20 > > had good analysis on this issue, too. > >=20 > This is not a GCC bug. -ffreestanding is _documented_ as requiring > memset and friends as resolvable extern symbols. We were just lucky to > get away without it before. >=20 Yes. But to make it clear: it's there in libkern.h, just not external. Cheers, --=20 Ruslan Ermilov ru@FreeBSD.org FreeBSD committer --ftEhullJWpWg/VHq Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFXWtkqRfpzJluFF4RAnONAKCEnwh1SR3Qxv+Y5PlgplswawZ6nQCfRCbN mkPoAAB1u+A9sDnSaqaANzY= =dmYW -----END PGP SIGNATURE----- --ftEhullJWpWg/VHq--
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