Hi Rafael, On 07/07/16 01:33, Rafael J. Wysocki wrote: > 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?).
Yes, we will always need to do something extra (based on data in the arch_hibernation_header) to resume if CPU0 was offline, or kexec meant we no longer know which CPU the firmware will boot us on. > Actually, if arm64 uses it too, the __weak implementation can be dropped, > because it will be possible to make it depend on ARCH_HIBERNATION_HEADER > (x86 and arm64 are the only users of that). Heh, I avoided that as it felt too much like a hack! Thanks, James
