Messages in this thread |  | | Subject | Re: Advice saught on math functions | From | Alan Cox <> | Date | 13 Jul 2002 18:10:37 +0100 |
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On Sat, 2002-07-13 at 15:00, Pavel Machek wrote: > > You can't use FPU operations in the x86 kernel. > > Actually, you can do kernel_fpu_begin(); any FPU you want; > kernel_fpu_end(); but it is rarely good idea to do that.
Only Providing the CPU has FPU facilities Providing you do no blocking operation during the kernel_fpu_* range
Non x86 has other rules that may be even more complex.
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