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From:   Thomas Gleixner <tglx@linutronix.de>
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To:     Nikolay Borisov <nik.borisov@suse.com>,
        LKML <linux-kernel@vger.kernel.org>
Cc:     x86@kernel.org, Borislav Petkov <bp@alien8.de>,
        Ashok Raj <ashok.raj@intel.com>,
        Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: [patch V2 09/37] x86/microcode/intel: Remove pointless mutex
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 <20230812195728.069849788@linutronix.de>
 <c1fb4972-765a-d06a-14d1-028a8a75bd97@suse.com>
Date:   Sun, 13 Aug 2023 11:08:03 +0200
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On Sun, Aug 13 2023 at 09:55, Nikolay Borisov wrote:
> On 12.08.23 =D0=B3. 22:58 =D1=87., Thomas Gleixner wrote:
>
> So this function is ultimately invoked from a write to the 'reload'=20
> sysfs file, what about 2 racing writes to this file ? Though if it's=20
> about cpu hotplug then in reload_store() this is handled via=20
> cpus_read_lock I guess so indeed this is correct.

80347cd515ca ("x86/microcode: Remove microcode_mutex")