On Mon, 2015-08-17 at 22:30 -0500, Scott Wood wrote: > On Tue, 2015-08-18 at 12:51 +1000, Michael Ellerman wrote: > > On Mon, 2015-08-17 at 13:59 -0500, Scott Wood wrote: > > > On Sat, 2015-07-18 at 14:57 -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. > > > > Since there's already a similar flag being set (for kdump only), this > > > > seemed like a reasonable approach. > > > > > > > > Signed-off-by: Scott Wood <scottwood at freescale.com> > > > > --- > > > > kexec/arch/ppc64/kexec-elf-ppc64.c | 11 ++++++++++- > > > > kexec/arch/ppc64/kexec-ppc64.h | 2 ++ > > > > purgatory/arch/ppc64/v2wrap.S | 11 +++++++++++ > > > > 3 files changed, 23 insertions(+), 1 deletion(-) > > > > > > Any comment on these two patches? > > > > We should probably reserve 0x58 in the kernel's head_64.S too? > > That's done in http://patchwork.ozlabs.org/patch/497417/ Right, sorry should have reviewed those :) > Or do you mean that you want the kernel change to go in before the userspace > change? No I'm not bothered about the ordering really. cheers
