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Date:   Sun, 16 Dec 2018 01:08:05 +0100
From:   Borislav Petkov <bp@alien8.de>
To:     =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= <zajec5@gmail.com>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>, x86@kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Problem with late AMD microcode reload/feedback
Message-ID: <20181216000804.GD6693@zn.tnic>
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On Sun, Dec 16, 2018 at 12:46:05AM +0100, Rafał Miłecki wrote:
> I'm trying to reload AMD Ryzen Mobile (fam17h) microcode doing:
> echo 1 > /sys/devices/system/cpu/microcode/reload

Also, I'd advise against using the late loading method but put the
microcode in the initrd (which your distro should be probably doing,
already):

Documentation/x86/microcode.txt

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.