Messages in this thread | | | Date | Thu, 22 Jun 2023 11:28:56 -0700 (PDT) | Subject | Re: (subset) [PATCH V2 0/4] Remove WARN_ON in save_processor_state | From | Palmer Dabbelt <> |
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On Wed, 21 Jun 2023 08:51:43 PDT (-0700), Catalin Marinas wrote: > On Fri, 09 Jun 2023 15:50:45 +0800, Song Shuai wrote: >> During hibernation or restoration, freeze_secondary_cpus >> checks num_online_cpus via BUG_ON, and the subsequent >> save_processor_state also does the checking with WARN_ON. >> >> In the case of CONFIG_PM_SLEEP_SMP=n, freeze_secondary_cpus >> is not defined, but the sole possible condition to disable >> CONFIG_PM_SLEEP_SMP is !SMP where num_online_cpus is always 1. >> We also don't have to check it in save_processor_state. >> >> [...] > > Applied to arm64 (for-next/misc), thanks! > > I couldn't tell whether this series would go in as a whole but given > that the patches are independent, I picked up the arm64 one. > > [2/4] arm64: hibernate: remove WARN_ON in save_processor_state > https://git.kernel.org/arm64/c/615af0021a61
I was pretty much in the same spot until I saw this, so I'm picking the RISC-V bit and just ignoring the rest. It's testing so it might take a bit to land in linux-next, but seems pretty safe.
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