Messages in this thread | | | Date | Sat, 13 Sep 2003 19:37:58 +0100 | From | Dave Jones <> | Subject | Re: RFC: [2.6 patch] better i386 CPU selection |
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On Sat, Sep 13, 2003 at 02:21:59PM -0400, Jeff Garzik wrote:
> > > In 2.4 selecting e.g. M486 has the semantics to get a kernel that runs > > > on a 486 and above. > > > In 2.6 selecting M486 means that only the 486 is supported. > > > > What are you basing this on ? This seems bogus to me. > > Last I checked, I could for eg, boot a 386 kernel on an Athlon. > > If you know that you're only booting on a 486, why include all the junk > needed solely for later processors?
Reread. a kernel _compiled for 386_ Precisely what junk do you mean ?
> > If we boot a 386 kernel on a ppro with that bug, this goes bang. > Echo my first comment.
Echo 2 lines above. People do use 386 kernels for install kernels on distros. Removing errata workarounds means distros start randomly exploding during installs.
Dave
-- Dave Jones http://www.codemonkey.org.uk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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