Messages in this thread | | | Date | Thu, 4 Sep 2008 21:13:33 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 5/6] x86: move mtrr cpu cap setting early in early_init_xxxx |
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* Yinghai Lu <yhlu.kernel@gmail.com> wrote:
> Krzysztof Helt <krzysztof.h1@wp.pl> found mtrr is not detected on k6-2 > > root case: > we move mtrr_bp_init early for mtrr trimming. > and in early_detect, only read cap from cpuid, so some cpu doesn't have > that bit in cpuid and need to set workaround bit will have problem. > > need to add early_init_xxxx to preset those bit before mtrr_bp_init > for those earlier cpus. > > this patch is for 2.6.27
hm, not sure we can do it in v2.6.27 as it depends on the other CPU init patches and that is a rather sensitive codepath. This problem should be present in v2.6.26 too, right?
Ingo
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