Re: [RFC PATCH 14/17] powerpc/book3e-64/kexec: Enable SMP release

2015-08-25 Thread Michael Ellerman
On Tue, 2015-08-25 at 18:40 -0500, Scott Wood wrote: > On Tue, 2015-08-25 at 11:57 +1000, Michael Ellerman wrote: > > I guess it's arguable whether that's more or less horrible than adding an > > #ifdef'ed booted_from_kexec check, but I think I'd prefer the > > spinning_secondaries solution. > > W

Re: [RFC PATCH 14/17] powerpc/book3e-64/kexec: Enable SMP release

2015-08-25 Thread Scott Wood
On Tue, 2015-08-25 at 11:57 +1000, Michael Ellerman wrote: > On Mon, 2015-08-24 at 15:25 -0500, Scott Wood wrote: > > On Thu, 2015-08-20 at 14:54 +1000, Michael Ellerman wrote: > > > Hi Scott, > > > > > > Sorry for the delay. So I'm back to square one on this patch. > > > > > > On Sat, 2015-07-18

Re: [RFC PATCH 14/17] powerpc/book3e-64/kexec: Enable SMP release

2015-08-24 Thread Michael Ellerman
On Mon, 2015-08-24 at 15:25 -0500, Scott Wood wrote: > On Thu, 2015-08-20 at 14:54 +1000, Michael Ellerman wrote: > > Hi Scott, > > > > Sorry for the delay. So I'm back to square one on this patch. > > > > On Sat, 2015-07-18 at 15:08 -0500, Scott Wood wrote: > > > booted_from_exec is similar to _

Re: [RFC PATCH 14/17] powerpc/book3e-64/kexec: Enable SMP release

2015-08-24 Thread Scott Wood
On Thu, 2015-08-20 at 14:54 +1000, Michael Ellerman wrote: > Hi Scott, > > Sorry for the delay. So I'm back to square one on this patch. > > On Sat, 2015-07-18 at 15:08 -0500, Scott Wood wrote: > > booted_from_exec is similar to __run_at_load, except that it is set for > > regular kexec as well a

Re: [RFC PATCH 14/17] powerpc/book3e-64/kexec: Enable SMP release

2015-08-19 Thread Michael Ellerman
Hi Scott, Sorry for the delay. So I'm back to square one on this patch. On Sat, 2015-07-18 at 15:08 -0500, Scott Wood wrote: > booted_from_exec is similar to __run_at_load, except that it is set for > regular kexec as well as kdump. > > The flag is needed because the SMP release mechanism for FS

[RFC PATCH 14/17] powerpc/book3e-64/kexec: Enable SMP release

2015-07-18 Thread Scott Wood
booted_from_exec is similar to __run_at_load, except that it is set for regular kexec as well as kdump. The flag is needed because the SMP release mechanism for FSL book3e is different from when booting with normal hardware. In theory we could simulate the normal spin table mechanism, but not at