On Thu, Jul 11, 2013 at 11:04:06AM +0100, David Laight wrote: > > > It'd also be nice if we had an option to only include the portions > > > of math-emu that are known to be missing in some CPUs (excluding > > > CPUs that are missing the entire FPU, of course). Besides its > > > effect on kernel image size, in my experience math-emu adds a > > > non-trivial amount of time to a kernel build. > > > > Sounds reasonable. I will give it a try. > > It also ought to be possible to use the FPU when emulating the > missing instructions - rather than using the full 'soft' FPU.
Yes, it is another option. But it may seem a bit risky to do these floating point arithmetic in kernel space. Do we really want do that? Thanks, Kevin > > David > > >
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