RE: [Xen-devel] possible changes was Re: [PATCH] make domu_debug run-time option + fix int3 handling for MP

[Kip Macy <kmacy@xxxxxxxxxx>]

On Mon, 16 May 2005, Ian Pratt wrote:

> 
> > I can chunk this into 3 or 4 patches and make enabling 
> > domu_debug a separate DOM0 operation. Would this be more palatable?
> 
> Why do we need a new domain flag for this?
>  
> What behaviour does the flag modify? 
> 
> Apologies if I've missed some earlier discussion.
> 

This is a continuation of the discussion that we had when the initial debug 
support went in. At the time Christian and you thought that it would be ideal 
if 
domu_debug were a domain-build / run-time option, as opposed to a xen 
compile-time option. For the sake of expediency I didn't do it at the time. 
This 
patch was intended to rectify that. 

Having it perpetually as a compile-time option seems like making a ptrace a
compile-time option in Linux that defaulted to off.


                                -Kip



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