Home » Mailing list archives » linux-kernel » 2007 » September » 21

Re: x86_64: potential critical issue with quicklists and page table pages

!MAILaRCHIVE_VOTE_RePLACE
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
[view in full thread]
From: Christoph Lameter <clameter@...>
To: Linus Torvalds <torvalds@...>
Cc: 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: Friday, September 21, 2007 - 2:50 pm

On Fri, 21 Sep 2007, Linus Torvalds wrote:


The quicklists collect pages while we gather pages for TLB flushing. 
These pages must be kept until the actual TLB flush has occurred. The 
optimization of releasing off node pages early is therefore not valid.

-
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
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)