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Re: Comments about implementing kprobes with Xen paravirtualization kernels
- From: Jim Keniston <jkenisto at us dot ibm dot com>
- To: Will Cohen <wcohen at redhat dot com>
- Cc: SystemTAP <systemtap at sources dot redhat dot com>
- Date: 01 Dec 2005 15:58:24 -0800
- Subject: Re: Comments about implementing kprobes with Xen paravirtualization kernels
- Organization:
- References: <438F3445.6060809@redhat.com>
On Thu, 2005-12-01 at 09:35, William Cohen wrote:
> Talked with Stephen Tweedie about kprobes in Xen...
> ...
> Need a list of all the patches used to implement kprobes in the
> kernel.
Patches against which kernel?
> For this the related xen arch files could be generated and
> this could be used as a starting point. Otherwise it is going to be
> painful manual process to create the equivalent kprobes patch for Xen.
> However, once there is a patch, Stephen thought it was quite likely
> that the xensource people would be willing to accept it.
>
> One open question was whether Xen allows the text of the kernel to be
> modified.
Dan Stekloff posed this question on the Xen IRC, and the answer was yes,
a guest kernel can modify its text.
>
> -Will
>
Thanks very much.
Jim