Messages in this thread | | | Date | Tue, 1 Apr 2003 17:30:43 +0200 | From | mikpe@csd ... | Subject | Re: New: SSE2 enabled by default on Celeron (P4 based) |
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Dave Jones writes: > On Tue, Apr 01, 2003 at 04:53:57PM +0200, Mikael Pettersson wrote: > > > > Steps to reproduce: Compile kernel choosing *any* Celeron option > > > > > > /proc/cpuinfo:- > > > processor : 0 > > > vendor_id : GenuineIntel > > > cpu family : 6 > > > model : 11 > > > > This is NOT a P4-based Celeron. It's a P6 Tualatin Celeron, and as such, > > it does not support SSE2. > > > > This CPU needs a kernel configured for a Pentium III or less. > > The *any* part of the bug report doesn't make much sense. > That indicates that we're doing the wrong thing on the Pentium > III/Celeron option too.
I checked with 2.5.66. I couldn't find any bug. Plain "Celeron" can't be chosen -- you have to specify processor generation, and SSE2 is only set if PENTIUM4 is set. Downgrading from a P4 config to PIII correctly removes SSE2.
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