[lkml]   [2008]   [Sep]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 5/6] x86: move mtrr cpu cap setting early in early_init_xxxx

* Yinghai Lu <> wrote:

> Krzysztof Helt <> 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?


 \ /
  Last update: 2008-09-04 21:17    [W:0.062 / U:0.880 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site