FW: [Fault-injection-developer] RFC: Interceptor for PIO

[Wang, S. <sta...@in...>]

> -----Original Message-----
> From: Wang, Stanley=20
> Sent: 2002=E5=B9=B412=E6=9C=8819=E6=97=A5 8:47
> To: Lynch, Rusty
> Subject: RE: [Fault-injection-developer] RFC: Interceptor for PIO
>=20
>=20
> Sure. I've claped my eye on it since 2.5.48 released :)
> I would like to add "insmod" feature into fith-tool with the new=20
> kernel module loader. And I could calculate the offset of all PIO
> instructions in user mode before load the module. Then I could
> calculate the start address of the module's ".text" segment by=20
> searching "modules" list. FinallyI could combine them and pass=20
> them to Kprobes. I think it should work :)
> How do you think about this?
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> -Stan
>=20
> > -----Original Message-----
> > From: Lynch, Rusty=20
> > Sent: 2002=E5=B9=B412=E6=9C=8819=E6=97=A5 1:44
> > To: Wang, Stanley; =
'fau...@li...'
> > Subject: RE: [Fault-injection-developer] RFC: Interceptor for PIO
> >=20
> >=20
> >=20
> > > Stanley wrote:=20
> > > pros:
> > > 1. As many breakpoints as you wish :)
> > >=20
> > > cons:
> > > 1. A user mode utility is needed for finding all IO related=20
> > > instructions
> > > out.
> > > 2. And we need to export the symbol "modules" for locating=20
> > the wanted
> > > instructions.
> > >=20
> >=20
> > Have you looked into the new kernel module loader?  We might be =
able
> > to take advantage of some of the extra functionality it presents =
(at
> > least for loadable modules).
> >=20
> >     --rusty
> >=20
>=20