On 2018/11/1 19:34, Russell King - ARM Linux wrote:
> On Thu, Nov 01, 2018 at 07:20:49PM +0800, Wang Yufen wrote:
>> From: Yufen Wang
>>
>> In case panic() and panic() called at the same time on different CPUS.
>> For example:
>> CPU 0:
>> panic()
>> __crash_kexec
>>machine_crash_sh
On Thu, Nov 01, 2018 at 07:20:49PM +0800, Wang Yufen wrote:
> From: Yufen Wang
>
> In case panic() and panic() called at the same time on different CPUS.
> For example:
> CPU 0:
> panic()
> __crash_kexec
>machine_crash_shutdown
> crash_smp_send_stop
>machine_kexec
From: Yufen Wang
In case panic() and panic() called at the same time on different CPUS.
For example:
CPU 0:
panic()
__crash_kexec
machine_crash_shutdown
crash_smp_send_stop
machine_kexec
BUG_ON(num_online_cpus() > 1);
CPU 1:
panic()
local_irq_disable
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