Date: Sat, 09 Feb 2008 16:08:17 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: des@des.no Cc: arch@freebsd.org Subject: Re: [PATCH] Automatic kernel version module dependencies.. Message-ID: <20080209.160817.168016724.imp@bsdimp.com> In-Reply-To: <86sl02e736.fsf@ds4.des.no> References: <200802081802.54313.jhb@freebsd.org> <86sl02e736.fsf@ds4.des.no>
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In message: <86sl02e736.fsf@ds4.des.no> Dag-Erling_Sm=F8rgrav <des@des.no> writes: : John Baldwin <jhb@freebsd.org> writes: : > So one of the things that people run into periodically are problems= : > with mismatched kernels and modules. My understanding of our kerne= l : > module ABI compatibility is that if you build a module on in a X.Y : > build environment the module should work fine for all kernels with : > version X.Z where Z >=3D Y. : = : ...provided they were built from the same config... I think : MUTEX_PROFILING has been fixed, but there may still be cases where th= e : ABI changes dependening on kernel options. These are usually well documented. But I can't find any in the current doc set. Maybe you could point me at options that do this so we can document them (and maybe add a #warning when compiling with them)? Warner
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