[PATCH v2 3/3] ppc64: Add a flag to tell the kernel it's booting from kexec
horms at verge.net.au
Mon Dec 7 22:01:39 PST 2015
On Tue, Dec 08, 2015 at 02:46:17PM +1100, Michael Ellerman wrote:
> On Mon, 2015-12-07 at 14:42 -0600, Scott Wood wrote:
> > On Tue, 2015-10-06 at 17:55 -0500, Scott Wood wrote:
> > > It needs to know this because the SMP release mechanism for Freescale
> > > book3e is different from when booting with normal hardware. In theory
> > > we could simulate the normal spin table mechanism, but not (easily) at
> > > the addresses U-Boot put in the device tree -- so there'd need to be
> > > even more communication between the kernel and kexec to set that up.
> > >
> > > Signed-off-by: Scott Wood <scottwood at freescale.com>
> > > ---
> > > v2: Use a device tree property rather than setting a flag in the kernel
> > > image, as requested by Michael Ellerman.
> > ping?
> > Michael, can you review this? Simon is waiting for another PPC person to
> > review it.
> Oh sorry I thought it'd been merged already, but I see now only 1 & 2 went in.
> Horms this looks fine to me:
> Acked-by: Michael Ellerman <mpe at ellerman.id.au>
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