linux-kernel - Re: [PATCH 2/2] EDAC/ghes: Modularize ghes_edac driver to remove the dependency on ghes

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Date:   Wed, 17 Aug 2022 10:36:56 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Justin He <Justin.He@....com>
Cc:     "toshi.kani@....com" <toshi.kani@....com>,
        Ard Biesheuvel <ardb@...nel.org>, Len Brown <lenb@...nel.org>,
        James Morse <James.Morse@....com>,
        Tony Luck <tony.luck@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Robert Richter <rric@...nel.org>,
        Robert Moore <robert.moore@...el.com>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "devel@...ica.org" <devel@...ica.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Shuai Xue <xueshuai@...ux.alibaba.com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        "linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
        nd <nd@....com>, "stable@...nel.org" <stable@...nel.org>
Subject: Re: [PATCH 2/2] EDAC/ghes: Modularize ghes_edac driver to remove the
 dependency on ghes

On Mon, Aug 15, 2022 at 01:32:40AM +0000, Justin He wrote:
> But is ghes_proc_in_irq() in the irq context which can invoke the notifier?
> I described it in the commit log:
> >To resolve the build dependency of ghes_edac_report_mem_error() for ghes,
> >introduce a notifier which is registered by ghes_edac module. atomic
> >notifier is used because ghes_proc_in_irq() is in the irq context.

Ah, yes, there's that aspect. atomic it is.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette