Subject: errors in "New features list"
To: None <firstname.lastname@example.org>
From: Pavel Cahyna <email@example.com>
Date: 10/13/2004 09:55:54
Chuck Silvers clarified the information about non-executable mappings
which is incorrect in the INSTALL document and the NetBSD Guide.
Also, according to the information in
FFSv1 already supports filesystems larger than 1TB, so the entry about
UFS2 in the INSTALL document and the Guide is also incorrect. I propose
changing it to "UFS2 is better suited for file systems larger than 1
----- Forwarded message from Chuck Silvers <firstname.lastname@example.org> -----
Date: Tue, 12 Oct 2004 19:15:40 -0700
From: Chuck Silvers <email@example.com>
To: Pavel Cahyna <firstname.lastname@example.org>, email@example.com
Subject: Re: non-executable mappings clarification
On Tue, Oct 12, 2004 at 09:35:21PM +0200, Pavel Cahyna wrote:
> The NetBSD guide in
> http://www.netbsd.org/guide/en/chap-whatsnew.html#chap-whatsnew-2-0 states
> that "If enabled, parts of the stack and heap are made non-executable when
> they are marked writable."
> I guess this feature is permanently enabled. Also, is it true that
> non-executability has any relationship with writability?
right, this feature is not optional. that sentence is a little confusing.
netbsd (as of 2.0) supports virtual memory execute permission and
write permission independently on architectures that support it.
some architectures have special restrictions, see
----- End forwarded message -----