linux-kernel - Re: [PATCH V2 0/4] Remove WARN_ON in save_processor

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Date:   Sun, 25 Jun 2023 23:20:23 +0000
From:   patchwork-bot+linux-riscv@...nel.org
To:     Song Shuai <songshuaishuai@...ylab.org>
Cc:     linux-riscv@...ts.infradead.org, catalin.marinas@....com,
        will@...nel.org, paul.walmsley@...ive.com, palmer@...belt.com,
        aou@...s.berkeley.edu, chris@...kel.net, jcmvbkbc@...il.com,
        steven.price@....com, vincenzo.frascino@....com,
        leyfoon.tan@...rfivetech.com, mason.huo@...rfivetech.com,
        jeeheng.sia@...rfivetech.com, conor.dooley@...rochip.com,
        ajones@...tanamicro.com, linux@...linux.org.uk,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 0/4] Remove WARN_ON in save_processor_state

Hello:

This series was applied to riscv/linux.git (for-next)
by Palmer Dabbelt <palmer@...osinc.com>:

On Fri,  9 Jun 2023 15:50:45 +0800 you 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.
> 
> [...]

Here is the summary with links:
  - [V2,1/4] ARM: hibernate: remove WARN_ON in save_processor_state
    (no matching commit)
  - [V2,2/4] arm64: hibernate: remove WARN_ON in save_processor_state
    (no matching commit)
  - [V2,3/4] riscv: hibernate: remove WARN_ON in save_processor_state
    https://git.kernel.org/riscv/c/91afbaafd6b1
  - [V2,4/4] xtensa: hibernate: remove WARN_ON in save_processor_state
    (no matching commit)

You are awesome, thank you!
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