Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 30 Sep 2003 14:39:36 +0100 | From | Jamie Lokier <> | Subject | Re: [PATCH] Mutilated form of Andi Kleen's AMD prefetch errata patch |
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Dave Jones wrote: > This looks to be completely gratuitous. Why disable it when we have the > ability to work around it ?
Because some people expressed a wish to have kernels that don't contain the workaround code, be they P4-optimised or 486-optimised kernels. After all we have kernels that don't contain the F00F workaround too. I'm not pushing this patch as is, it's for considering the pros and cons.
CONFIG_X86_PREFETCH_WORKAROUND makes more makes more sense with the recently available "split every x86 CPU into individually selectable options" patch, and, on reflection, that's probably where it belongs.
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