Messages in this thread | | | Date | Mon, 23 Nov 2015 15:46:00 +0300 | From | Nikita Yushchenko <> | Subject | Re: [RFC/PATCH] arm: do not skip SMP init calls on SMP_ON_UP case |
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23.11.2015 15:19, Russell King - ARM Linux пишет: > On Mon, Nov 23, 2015 at 12:12:16PM +0000, Russell King - ARM Linux wrote: >> iMX6 is fairly well supported in mainline. The only reason to use a >> custom kernel is if you want to use some feature which mainline does >> not support (or support very well) such as video decode, the full IPU >> facilities, GPUs or CEC (sorry, I don't have an expansive list.) >> >> The GPU problem for the GC320/GC880/GC2000 is fairly close to being >> solved in a functional (but maybe not yet performant) manner. > > For reference, iMX6S in mainline behaves like this: > > Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=12000) > pid_max: default: 32768 minimum: 301 > Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) > Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) > Initializing cgroup subsys net_cls > CPU: Testing write buffer coherency: ok > CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 > Setting up static identity map for 0x100082c0 - 0x10008318 > Brought up 1 CPUs > SMP: Total of 1 processors activated (6.00 BogoMIPS). > CPU: All CPU(s) started in SVC mode.
Indeed, somehow booted mainline and it does not try to initialize CPU 1.
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