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Re: x86_64: potential critical issue with quicklists and page table pages
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From:
Benjamin Herrenschmidt <benh@...>
To: Christoph Lameter <clameter@...>
Cc: Linus Torvalds <torvalds@...>, Siddha, Suresh B <suresh.b.siddha@...>, <akpm@...>, <ak@...>, <linux-kernel@...>, <tony.luck@...>, <asit.k.mallick@...>
Subject:
Re: x86_64: potential critical issue with quicklists and page table pages
Date: Monday, September 24, 2007 - 8:09 pm
On Mon, 2007-09-24 at 14:42 -0700, Christoph Lameter wrote:
quoted text
> On Tue, 25 Sep 2007, Benjamin Herrenschmidt wrote: > > > I'd suggest just reverting the patch for now (well, I see from the > > commit list that you did just that) and I'll try to come up with > > something better. > > That would be great. Note that the reversal of the x86_64 quicklist > support patch does not address the issue that is (as pointed out by > Siddha) in core code and not in x86_64 arch dode. The fix that I posted > fixes the core issue. > > > Christoph, I'd be happy if you didn't start butchering mmu_gather just > > right now since I'm doing just that and it will collide all over the > > place :-) Or if you want something specific done, please throw > > ideas/patches at me and I'll integrate that in my serie. > > Any "butchering" was done for 2.6.22. 2.6.23 only added arch support for > x86_64 since Andi forgot to merge it for .22. I'd be glad if you could > look into this and make quicklists interoperate nicely withh mmu gather.
I'll try, I'll let you know. Give me a few days to finish catching up with backlog of things before i get back to it though. Cheers, Ben. -
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Messages in current thread:
x86_64: potential critical issue with quicklists and page ta...
, Siddha, Suresh B
, (Fri Sep 21, 2:07 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Christoph Lameter
, (Fri Sep 21, 2:48 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Linus Torvalds
, (Fri Sep 21, 2:48 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Christoph Lameter
, (Fri Sep 21, 2:50 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Linus Torvalds
, (Fri Sep 21, 2:55 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Linus Torvalds
, (Fri Sep 21, 3:05 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Christoph Lameter
, (Fri Sep 21, 3:07 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Linus Torvalds
, (Fri Sep 21, 3:21 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Benjamin Herrenschmidt
, (Mon Sep 24, 5:27 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Christoph Lameter
, (Mon Sep 24, 5:42 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Benjamin Herrenschmidt
, (Mon Sep 24, 8:09 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Christoph Lameter
, (Fri Sep 21, 3:26 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Linus Torvalds
, (Fri Sep 21, 3:40 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Christoph Lameter
, (Fri Sep 21, 3:56 pm)
RE: x86_64: potential critical issue with quicklists and pag...
, Luck, Tony
, (Fri Sep 21, 3:59 pm)
RE: x86_64: potential critical issue with quicklists and pag...
, Christoph Lameter
, (Fri Sep 21, 4:15 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Linus Torvalds
, (Fri Sep 21, 3:44 pm)
Re: x86_64: potential critical issue with quicklists and pag...
, Andi Kleen
, (Fri Sep 21, 2:18 pm)
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