Re: [Xen-devel] [v3 5/5] Qemu-Xen-vTPM: QEMU machine class is initialized before tpm_init()

["Xu, Quan" <quan.xu@xxxxxxxxx>]

> -----Original Message-----
> From: Paolo Bonzini [mailto:pbonzini@xxxxxxxxxx]
> Sent: Monday, January 12, 2015 11:23 PM
> To: Xu, Quan; qemu-devel@xxxxxxxxxx
> Cc: xen-devel@xxxxxxxxxxxxx; aliguori@xxxxxxxxxx
> Subject: Re: [v3 5/5] Qemu-Xen-vTPM: QEMU machine class is initialized before
> tpm_init()
> 
> 
> 
> On 31/12/2014 00:03, Quan Xu wrote:
> > make sure QEMU machine class is initialized and QEMU has registered
> > Xen stubdom vTPM driver when call tpm_init()
> >
> > Signed-off-by: Quan Xu <quan.xu@xxxxxxxxx>
> > ---
> >  vl.c | 16 ++++++++++------
> >  1 file changed, 10 insertions(+), 6 deletions(-)
> >
> > diff --git a/vl.c b/vl.c
> > index f6b3546..dd437e1 100644
> > --- a/vl.c
> > +++ b/vl.c
> > @@ -4114,12 +4114,6 @@ int main(int argc, char **argv, char **envp)
> >          exit(1);
> >      }
> >
> > -#ifdef CONFIG_TPM
> > -    if (tpm_init() < 0) {
> > -        exit(1);
> > -    }
> > -#endif
> > -
> >      /* init the bluetooth world */
> >      if (foreach_device_config(DEV_BT, bt_parse))
> >          exit(1);
> > @@ -4225,6 +4219,16 @@ int main(int argc, char **argv, char **envp)
> >              exit(1);
> >      }
> >
> > +    /* For compatible with Xen stubdom vTPM driver, make
> > +     * sure QEMU machine class is initialized and QEMU has
> > +     * registered Xen stubdom vTPM driver ..
> > +    */
> > +#ifdef CONFIG_TPM
> > +    if (tpm_init() < 0) {
> > +        exit(1);
> > +    }
> > +#endif
> > +
> >      /* init generic devices */
> >      if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func,
> NULL, 1) != 0)
> >          exit(1);
> >
> 
> This is okay.  I think the comment is not necessary, but Stefano can fix that 
> up
> if he agrees.

Paolo, Thanks. 
CC Stefano, let him know. 

Quan
> 
> Paolo

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