Hi Nathan,
On Tue, Dec 23, 2008 at 12:50:51PM -0600, Nathan Lynch wrote:
> Hi,
>
> Michael Ellerman wrote:
> > The non-zero return from the prepare callback is returned by
> > sys_kexec_load()
> > to userspace, indicating that kexec is not supported on the machine.
>
> ...
>
> > @@ -638,6 +639,13 @@ static int __init iseries_probe(void)
> > return 1;
> > }
> >
> > +#ifdef CONFIG_KEXEC
> > +static int iseries_kexec_prepare(struct kimage *image)
> > +{
> > + return -ENOSYS;
> > +}
> > +#endif
> > +
> > define_machine(iseries) {
> > .name = "iSeries",
> > .setup_arch = iSeries_setup_arch,
> > @@ -658,6 +666,9 @@ define_machine(iseries) {
> > .probe = iseries_probe,
> > .ioremap = iseries_ioremap,
> > .iounmap = iseries_iounmap,
> > +#ifdef CONFIG_KEXEC
> > + .machine_kexec_prepare = iseries_kexec_prepare,
> > +#endif
> > /* XXX Implement enable_pmcs for iSeries */
> > };
>
> But machine_kexec_prepare() already returns -ENOSYS if the platform
> doesn't have the hook in ppc_md. I must be missing something;
Yeah, the kexec discussion, starting from here:
http://ozlabs.org/pipermail/linuxppc-dev/2008-December/066321.html
The default behaviour has changed.
--
Anton Vorontsov
email: cbouatmai...@gmail.com
irc://irc.freenode.net/bd2
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