On Thu, 2010-09-16 at 11:14 +0100, Stephan Goll wrote: > The /proc/cpuinfo shows that the geode lx has cmov, so I changed the sources > to compile a kernel with cmov support. > > diff arch/x86/Kconfig.cpu arch/x86/Kconfig.cpu.bak > 409c409 > < depends on (MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII > || M686 || MVIAC3_2 || MVIAC7 || MGEODE_LX || X86_64) > --- > > depends on (MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII > > || M686 || MVIAC3_2 || MVIAC7 || X86_64) > > Because I'm running an alix board with geode cpu I was able to verify that > this does noch break the kernel. It seems that all geode do have cmov so > I think this is a save bet. This wish also applies to the 2.6.32 kernel in > testing aka squeeze. > There is also a related discussion on the LKML on this topic.
We know Geode LX supports CMOV; that's why it's included in the list of suitable processors in thedescription of the '686' flavour package. However, the configuration option MGEODE_LX is described as 'Geode GX/LX' and the Geode GX does *not* support CMOV, so your proposed change is incorrect. Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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