Re: 2.6.17-rc1-mm1: KEXEC became SMP-only
From: Zachary Amsden
Date: Tue Apr 04 2006 - 18:02:41 EST
Andrew Morton wrote:
struct subarch_hooks subarch_hook_vector = {
.machine_power_off = machine_power_off,
.machine_halt = machine_halt,
.machine_irq_setup = machine_irq_setup,
.machine_subarch_setup = machine_subarch_probe
...
};
And machine_subarch_probe can dynamically change this vector if it
confirms that the platform is appropriate?
I don't recall anyone expressing any desire for the ability to set these
things at runtime. Unless there is such a requirement I'd suggest that the
best way to address Eric's point is to simply rename the relevant functions
from foo() to subarch_foo().
Avoiding the runtime assignment isn't possible if you want a generic
subarch that truly can run on multiple different platforms.
I prefer runtime assignment not for this reason, but simply because it
also eliminates two artifacts:
1) You can add new subarch hooks without breaking every other
sub-architecture
2) You don't need #ifdef SUBARCH_FUNC_FOO goo to do this (renaming
voyager_halt -> default)
Zach
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