Messages in this thread | | | Date | Thu, 8 May 2008 14:37:22 -0700 | From | Venki Pallipadi <> | Subject | Re: [2.6.25-git18 => 2.6.26-rc1-git1] Xorg crash with xf86MapVidMem error |
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On Thu, May 08, 2008 at 01:08:01PM -0700, Rufus & Azrael wrote: > Venki Pallipadi a ecrit : > > > > Use UC_MINUS in reserve_memtype call with -1, when MTRR lookup fails for > any > > reason. > > > > Change the logic in mtrr_type_lookup to just get the type from the start > > address. Using start and end adddress is not right/complete as start and > > end can be covered by different mtrr (where old code will fail) or > > start and end can be in same mtrr, but still have some different > > memory type region in between. Using only start is less restrictive and > > deterministic. > > > > Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> > > > > --- > > arch/x86/kernel/cpu/mtrr/generic.c | 7 ++----- > > arch/x86/mm/pat.c | 8 +------- > > 2 files changed, 3 insertions(+), 12 deletions(-) > > > > Hi Venki, > > Patch applied on 2.6.26-rc1-git5 and all works fine in X server with > CONFIG_X86_PAT=y. > > See dmesg and mtrr files attached. >
Thanks for reporting the problem and testing the fix. ingo/thomas/hpa: Can you please pick up this patch. Fixes the PAT regression reported on this thread.
Thanks, Venki
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