From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 1 Sep 2010 18:02:14 +1000 From: Paul Mackerras To: Sean MacLennan Subject: Re: [PATCH] powerpc: mtmsrd not defined Message-ID: <20100901080214.GA4722@brick.ozlabs.ibm.com> References: <20100822180958.6305f5b1@lappy.seanm.ca> <1282516494.22370.440.camel@pasglop> <20100822184844.37c30d5e@lappy.seanm.ca> <20100831134605.1fca5fdf@lappy.seanm.ca> <20100831225525.1c9bd5a8@lappy.seanm.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20100831225525.1c9bd5a8@lappy.seanm.ca> Cc: linuxppc-dev List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Aug 31, 2010 at 10:55:25PM -0400, Sean MacLennan wrote: > I had to give up. Without the CONFIG_PPC_FPU it compiles fine for an > FPU less 44x. But with the CONFIG_PPC_FPU, I get the following errors: Ah, those references would be from arch/powerpc/lib/sstep.c. Evidently we need #ifdef CONFIG_PPC_FPU around the emulation of the floating-point loads and stores. Do we do any in-kernel emulation of floating-point operations with CONFIG_PPC_FPU turned off? Paul.