lkml.org 
[lkml]   [2008]   [Apr]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] x86: mtrr cleanup for converting continuous to discrete layout v7
On Tue, Apr 29, 2008 at 2:47 AM, Gabriel C <nix.or.die@googlemail.com> wrote:
> Yinghai Lu wrote:
> > some BIOS like to use continus MTRR layout, and may X driver can not add
> > WB entries for graphical cards when 4g or more RAM installed.
> >
> > the patch will change MTRR to discrete.
> >
> > mtrr_chunk_size= could be used to have smaller continuous block to hold holes.
> > default is 256m, could be set according to size of graphics card memory.
> >
> > v2: fix -1 for UC checking
> > v3: default to disable, and need use enable_mtrr_cleanup to enable this feature
> > skip the var state change warning.
> > remove next_basek in range_to_mtrr()
> > v4: correct warning mask.
> > v5: CONFIG_MTRR_SANITIZER
> > v6: fix 1g, 2g, 512 aligment with extra hole
> > v7: gran_sizek to prevent running out of MTRRs.
> >
>
> With this version ( and patch http://lkml.org/lkml/2008/4/29/97 ) applyed on latest linus git tree
> the box OOPS'es early.
>
> Sorry I don't have time right now to write down the part of the OOPS I can see on monitor , I can try to find
> some time later.
>
> In any way OOPS'es on __free_one_page+0x191/0x21e

thanks. found one problem with hole_basek ...

will send you v8, and hope it will be last version.

YH


\
 
 \ /
  Last update: 2008-04-29 12:33    [W:0.230 / U:0.248 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site