xfs-masters
[Top] [All Lists]

[xfs-masters] Re: [PATCH 3/3] Assert notifier_block and notifier_call ar

To: Linus Torvalds <torvalds@xxxxxxxx>
Subject: [xfs-masters] Re: [PATCH 3/3] Assert notifier_block and notifier_call are not in init section
From: "Randy.Dunlap" <rdunlap@xxxxxxxxxxxx>
Date: Tue, 25 Apr 2006 13:54:36 -0700
Cc: stern@xxxxxxxxxxxxxxxxxxx, sekharan@xxxxxxxxxx, akpm@xxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, herbert@xxxxxxxxxxxx, linux-xfs@xxxxxxxxxxx, xfs-masters@xxxxxxxxxxx
In-reply-to: <Pine.LNX.4.64.0604251336090.3701@g5.osdl.org>
Organization: YPO4
References: <Pine.LNX.4.44L0.0604251624430.839-100000@iolanthe.rowland.org> <Pine.LNX.4.64.0604251336090.3701@g5.osdl.org>
Reply-to: xfs-masters@xxxxxxxxxxx
Sender: xfs-masters-bounce@xxxxxxxxxxx
On Tue, 25 Apr 2006 13:38:22 -0700 (PDT) Linus Torvalds wrote:

> 
> 
> On Tue, 25 Apr 2006, Alan Stern wrote:
> > 
> > What about loadable modules?  Is their code never loaded into memory that
> > used to be part of an init section?
> 
> Their code might _physically_ reside in a re-allocation of an init 
> section, but will have a virtual address far away (and it would be the 
> virtual address that you'd see if you took the address of a function).

and the freed init data area is poisoned (in 386, x86_64, powerpc, and
sparc64).

---
~Randy


<Prev in Thread] Current Thread [Next in Thread>