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RE: [Xen-devel] Xen Kernel Debug Tools

To: "John Anderson" <johnha@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Xen Kernel Debug Tools
From: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxx>
Date: Wed, 26 Sep 2007 20:52:34 +0100
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Thread-topic: [Xen-devel] Xen Kernel Debug Tools
> Does the domain builder reside in the Dom0 kernel or is it a separate
> user space program? 

It's a user space program.

> If it is a separate user space program, does it
> 'borrow' any code or interfaces from the kernel source or xen-sparse
> tree?  The grsecurity patches modify this code, and the non-grsec Dom0
> referenced earlier was built from a non-patched Xen tree.

It will be using xen headers, plus making use of some of the
/proc/xen/privcmd ioctls.

> >Are you using a debug build of Xen? You may get some more helpful
> >output.
> I'm not using a debug build.  Do I just enable kernel debugging in the
> kernel .config or do I need to build Xen with options so the
> itself gets debug info?  Like CFLAGS='-DDEBUG' make world?

Edit Rules.mk and rebuild xen.

> Thanks for taking an interest,
> John A.
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