Messages in this thread | | | Date | Thu, 07 Jul 2016 17:03:19 +0100 | From | James Morse <> | Subject | Re: [PATCH][RFC v3] x86, hotplug: Use hlt instead of mwait if invoked from disable_nonboot_cpus |
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Hi,
On 07/07/16 03:50, Chen, Yu C wrote: >> From: Rafael J. Wysocki [mailto:rjw@rjwysocki.net] >> Below is my sort of version of this (untested) and I did it this way, because the >> issue is specific to resume from hibernation (the workaround need not be >> applied anywhere else) and the hibernate_resume_nonboot_cpu_disable() >> thing may be useful to arm64 too if I'm not mistaken (James?). > > James might want a flag to distinguish whether it is from suspend or resume, > in his arch-specific disabled_nonboot_cpus?
That isn't serious, we can work out whether it is hibernate/resume based on whether we've read data out of the the arch header. I added it in the other series as it looked cleaner to pass the value in instead of inferring it.
Thanks,
James
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