On Fri, Aug 03, 2012 at 09:46:15AM -0700, Pandita, Vikram wrote:
> I mostly work with ARM Soc - specifically on OMAP. SMP multi core
> systems in ARM-v7 world started to show up only few years back -
> unlike x86 world.
This is exactly the thing: other SMP vendors have made it so far without
emitting which core is doing what in dmesg.
> ARM systems are a bit unique when it comes to security( read trust
> zone ), and handling of FIQ's. Most of the ARM cortex-A series SoC's
> out there have some kind of affinity to CPU0 being the master. One use
> case has been, it has helped to know with this printk logging, if such
> constraints are honored.
>
> Sometimes, tracking of some lockup cases between cpu's because of bad
> code has also been helpful with this logging support. For now i will
> post v3 of the patch and add arm-list and linux-omap list, and there
> might be users there can benefit.
Right, so if arm people need this thing, why not make it arm-only? I
still fail to see the need for this (... at all, actually).
Thanks.
--
Regards/Gruss,
Boris.
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