Re: [PATCH v2 0/2] powerpc:85xx: fix timebase sync issue when CONFIG_HOTPLUG_CPU=n

From
Michael Ellerman <hidden>
Date
2021-10-11 12:08:07
Also in
lkml, stable
Reply to
Xiaoming Ni, 2021-09-29
On Wed, 29 Sep 2021 11:36:44 +0800, Xiaoming Ni wrote:
When CONFIG_SMP=y, timebase synchronization is required for mpc8572 when
 the second kernel is started
	arch/powerpc/kernel/smp.c:
	int __cpu_up(unsigned int cpu, struct task_struct *tidle)
	{
		...
		if (smp_ops->give_timebase)
			smp_ops->give_timebase();
		...
	}

[...]
Applied to powerpc/next.

[1/2] powerpc:85xx:Fix oops when mpc85xx_smp_guts_ids node cannot be found
      https://git.kernel.org/powerpc/c/3c2172c1c47b4079c29f0e6637d764a99355ebcd
[2/2] powerpc:85xx: fix timebase sync issue when CONFIG_HOTPLUG_CPU=n
      https://git.kernel.org/powerpc/c/c45361abb9185b1e172bd75eff51ad5f601ccae4

cheers
Thread (6 messages) 6 messages, 2 authors, last reply 2021-10-11
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