Subject: Re: Importing PaX features to NetBSD
To: Jason Thorpe <>
From: Elad Efrat <>
List: tech-security
Date: 12/18/2005 22:53:30
Jason Thorpe wrote:

> On Dec 18, 2005, at 4:03 AM, Martin Husemann wrote:

>> The mprotect changes are arch dependend, and as gimpy pointed out  would
>> violate ABI on some archs. I don't see how implementing them (which 
>> would
>> be MD anyway) would cause any negative impact on other archs.
> Yah, these would have to be implemented using new pmap hooks.

Why wouuld these require pmap changes? they (should) be pure
mmap/mprotect changes. Do you want to implement them in pmap because
they are MD, or is there a technical need?


Elad Efrat