Date: Sun, 16 Aug 2009 08:20:33 -0700 From: Marcel Moolenaar <xcllnt@mac.com> To: Bruce Evans <brde@optusnet.com.au> Cc: svn-src-stable@FreeBSD.org, svn-src-all@FreeBSD.org, Marcel Moolenaar <marcel@FreeBSD.org>, svn-src-stable-8@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: svn commit: r196271 - in stable/8/sys: . amd64/include/xen cddl/contrib/opensolaris cddl/contrib/opensolaris/common/nvpair contrib/dev/acpica contrib/pf dev/ata dev/cxgb dev/xen/netfront dev/xen/xe... Message-ID: <0997BA81-4982-467A-AB0B-7A1233B82665@mac.com> In-Reply-To: <20090816220319.W32412@delplex.bde.org> References: <200908160221.n7G2LOE2097585@svn.freebsd.org> <20090816220319.W32412@delplex.bde.org>
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On Aug 16, 2009, at 5:34 AM, Bruce Evans wrote: > On Sun, 16 Aug 2009, Marcel Moolenaar wrote: > >> MFC revision 196269: >> Fix misalignment in nvpair_native_embedded() caused by the compiler >> replacing the bzero(). > > How can it replace bzero() with -ffreestanding, which implies - > fbuiltin > and guarantees that should be stronger not to use library functions? > (gcc.info is poorly worded, so the stronger guarantees are actually > weaker.) -ffreestanding applies to the kernel only. This code is shared between kernel and userspace and the misalignment is in userspace. -- Marcel Moolenaar xcllnt@mac.com
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