Re: [PATCH] x86_32: trim memory by updating e820 v2

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To: Justin Piszcz <jpiszcz@...>

Cc: Jesse Barnes <jesse.barnes@...>, Andi Kleen <ak@...>, Ingo Molnar <mingo@...>, H. Peter Anvin <hpa@...>, LKML <linux-kernel@...>, Andrew Morton <akpm@...>

Subject: Re: [PATCH] x86_32: trim memory by updating e820 v2

Date: Monday, January 21, 2008 - 4:09 pm

On Monday 21 January 2008 11:14:02 am Justin Piszcz wrote:
quoted text> 
> On Mon, 21 Jan 2008, Jesse Barnes wrote:
> 
> > On Sunday, January 20, 2008 10:56 pm Yinghai Lu wrote:
> >> [PATCH] x86_32: trim memory by updating e820 v2
> >>
> >> when mtrr is not covering all e820 table, need to trim the ram, need to
> >> update e820
> >>
> >> reuse some code for x86_64
> >>
> >> here need to add early_identify_cpu for x86_32, and move mtrr_bp_init early
> >>
> >> compiled test only, need someone test it
> >
> > I like this approach too.  So as long as the E820 modification method works
> > (i.e. we have some testers, maybe Justin can give it a try), you can add
> >
> > Signed-off-by:  Jesse Barnes <jesse.barnes@intel.com>
> >
> > or
> >
> > Acked-by:  Jesse Barnes <jesse.barnes@intel.com>
> >
> > as appropriate too.
> >
> > Thanks,
> > Jesse
> >
> 
> Subject: Re: [PATCH] x86_32: trim memory by updating e820 v2
>                           ^^
> 
> I run x86_64 btw-- if there is a kernel.patch for x86_64 please let me 
> know and I can test, thanks.

please get x86.git

  git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
  cd linux-2.6
  #--------------{ x86.git instructions }---------->
  # Add Linus's tree as a remote
  git remote add linus git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git

  # Add Ingo's tree as a remote
  git remote add x86 git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git

  # With that setup, just run the following to get any changes you
  # don't have.  It will also notice any new branches Ingo/Linus
  # add to their repo.  Look in .git/config afterwards, the format
  # to add new remotes is easy to figure out.
  git remote update
  #-------------------------
  git merge x86/master
  git merge x86/mm

and apply

[PATCH] x86_64: check if Tom2 is enabled
http://lkml.org/lkml/2008/1/21/20
[PATCH] x86_64: update e820 instead of updating end_pfn v3
http://lkml.org/lkml/2008/1/21/19
[PATCH] x86_32: trim memory by updating e820 v2
http://lkml.org/lkml/2008/1/21/18

YH
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Messages in current thread:

[PATCH] x86_32: trim memory by updating e820 v2, Yinghai Lu, (Mon Jan 21, 2:56 am)

Re: [PATCH] x86_32: trim memory by updating e820 v2, Ingo Molnar, (Tue Jan 22, 12:51 pm)

[PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Tue Jan 22, 8:23 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Andrew Morton, (Sat Apr 26, 6:56 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Mon Apr 28, 2:50 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Mika Fischer, (Mon Apr 28, 4:38 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Mon Apr 28, 5:09 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Mika Fischer, (Mon Apr 28, 5:44 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 5:58 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Sat Apr 26, 9:22 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Mika Fischer, (Sun Apr 27, 4:29 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Sat Apr 26, 8:57 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Mika Fischer, (Sun Apr 27, 4:21 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Sat Apr 26, 8:56 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Mon Apr 28, 2:44 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 5:18 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Mon Apr 28, 5:34 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 5:54 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Ingo Molnar, (Mon Apr 28, 9:53 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Jesse Barnes, (Mon Apr 28, 12:09 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Ingo Molnar, (Tue Apr 29, 6:37 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Jesse Barnes, (Tue Apr 29, 11:52 am)

[patch] PCI: export resource_wc in pci sysfs, Ingo Molnar, (Tue Apr 29, 6:03 pm)

Re: [patch] PCI: export resource_wc in pci sysfs, Andrew Morton, (Tue Apr 29, 6:24 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Andrew Morton, (Tue Apr 29, 8:40 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Mika Fischer, (Mon Apr 28, 12:31 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Jesse Barnes, (Mon Apr 28, 12:55 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 10:15 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Mika Fischer, (Mon Apr 28, 10:11 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 10:24 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Mon Apr 28, 3:08 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 3:46 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Mon Apr 28, 3:06 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 3:38 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 4:45 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 5:19 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Mon Apr 28, 6:03 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 6:56 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Mon Apr 28, 7:23 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 9:05 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Mon Apr 28, 10:41 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Ingo Molnar, (Tue Apr 29, 6:34 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Tue Apr 29, 6:42 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Gabriel C, (Mon Apr 28, 6:03 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Mika Fischer, (Mon Apr 28, 6:07 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Mon Apr 28, 3:03 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Sat Apr 26, 9:05 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Eric W. Biederman, (Mon Apr 28, 2:07 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Ingo Molnar, (Tue Apr 29, 6:31 am)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Eric W. Biederman, (Tue Apr 29, 1:29 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Tue Apr 29, 2:40 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Eric W. Biederman, (Tue Apr 29, 3:19 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Tue Apr 29, 3:44 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Eric W. Biederman, (Tue Apr 29, 4:02 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v3, Yinghai Lu, (Mon Apr 28, 7:16 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v2, Jesse Barnes, (Mon Jan 21, 12:30 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v2, Justin Piszcz, (Mon Jan 21, 3:14 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v2, Yinghai Lu, (Mon Jan 21, 4:09 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v2, Justin Piszcz, (Mon Jan 21, 5:37 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v2, Yinghai Lu, (Tue Jan 22, 11:50 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v2, Justin Piszcz, (Fri Jan 25, 8:01 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v2, Ingo Molnar, (Mon Jan 28, 11:09 am)

Re: [PATCH] x86_32: trim memory by updating e820 v2, Justin Piszcz, (Mon Jan 28, 2:07 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v2, Yinghai Lu, (Fri Jan 25, 8:16 pm)

Re: [PATCH] x86_32: trim memory by updating e820 v2, Justin Piszcz, (Fri Jan 25, 8:37 pm)

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