Re: [PATCH v8 01/27] notifier: Add atomic_notifier_call_chain_is_empty()

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To: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
Subject: Re: [PATCH v8 01/27] notifier: Add atomic_notifier_call_chain_is_empty()
From: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
Date: Wed, 11 May 2022 13:12:07 +0300
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>, Jonathan Hunter <jonathanh@xxxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Guo Ren <guoren@xxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Greg Ungerer <gerg@xxxxxxxxxxxxxx>, Joshua Thompson <funaho@xxxxxxxxx>, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, Sebastian Reichel <sre@xxxxxxxxxx>, Linus Walleij <linus.walleij@xxxxxxxxxx>, Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>, Greentime Hu <green.hu@xxxxxxxxx>, Vincent Chen <deanbo422@xxxxxxxxx>, "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Paul Walmsley <paul.walmsley@xxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>, Albert Ou <aou@xxxxxxxxxxxxxxxxx>, Yoshinori Sato <ysato@xxxxxxxxxxxxx>, Rich Felker <dalias@xxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Len Brown <lenb@xxxxxxxxxx>, Santosh Shilimkar <ssantosh@xxxxxxxxxx>, Krzysztof Kozlowski <krzk@xxxxxxxxxx>, Liam Girdwood <lgirdwood@xxxxxxxxx>, Mark Brown <broonie@xxxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, Lee Jones <lee.jones@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Guenter Roeck <linux@xxxxxxxxxxxx>, Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>, Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>, Ulf Hansson <ulf.hansson@xxxxxxxxxx>, Michał Mirosław <mirq-linux@xxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, linux-csky@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, "open list:BROADCOM NVRAM DRIVER" <linux-mips@xxxxxxxxxxxxxxx>, linux-parisc@xxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, Linux-sh list <linux-sh@xxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, ACPI Devel Maling List <linux-acpi@xxxxxxxxxxxxxxx>, Linux PM <linux-pm@xxxxxxxxxxxxxxx>, linux-tegra <linux-tegra@xxxxxxxxxxxxxxx>
In-reply-to: <CAJZ5v0gApRhc9+jZLxgNXC2B2tmz450=8+mFZUjTFF1iU7C-gw@mail.gmail.com>
References: <20220509233235.995021-1-dmitry.osipenko@collabora.com> <20220509233235.995021-2-dmitry.osipenko@collabora.com> <CAJZ5v0gApRhc9+jZLxgNXC2B2tmz450=8+mFZUjTFF1iU7C-gw@mail.gmail.com>
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On 5/10/22 21:14, Rafael J. Wysocki wrote:
> On Tue, May 10, 2022 at 1:33 AM Dmitry Osipenko
> <dmitry.osipenko@xxxxxxxxxxxxx> wrote:
>> Add atomic_notifier_call_chain_is_empty() that returns true if given
>> atomic call chain is empty.
> It would be good to mention a use case for it.
> 

I'll update this patch for v9.

-- 
Best regards,
Dmitry

References:
- [PATCH v8 00/27] Introduce power-off+restart call chain API
  - From: Dmitry Osipenko
- [PATCH v8 01/27] notifier: Add atomic_notifier_call_chain_is_empty()
  - From: Dmitry Osipenko
- Re: [PATCH v8 01/27] notifier: Add atomic_notifier_call_chain_is_empty()
  - From: Rafael J. Wysocki

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