Messages in this thread | | | Date | Sun, 20 Jul 2003 20:25:10 -0400 | From | "William M. Quarles" <> | Subject | Re: [Fwd: Re: Kernel 2.4 CPU Arch issues] |
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Alan Cox wrote: > On Llu, 2003-07-21 at 00:29, William M. Quarles wrote: > >>Well, you separated the Pentium and Pentium-MMX. It's the exact same >>difference between Pentium Pro and Pentium-II: MMX technology. That's >>the point. > > > This makes no difference to the kernel. Splitting PPro would only make > sense for one reason. The Pentium Pro needs store barriers on > spin_unlock and friends, the PII and later do not. However if this was > done you'd also want to check for PPro boots with a PII kernel and panic > which isn't currently done >
Well, wouldn't changing the gcc -march option and/or adding -mcpu options for the various processors in the Makefile make a difference, as the patchfile suggests?
-- William M. Quarles
quarlewm@jmu.edu wquarles@bucknell.edu walrus@bellsouth.net
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