From mboxrd@z Thu Jan  1 00:00:00 1970
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Subject: x86/mce/AMD: Make sure banks were initialized before accessing them
From: Rafal Milecki <rafal@milecki.pl>
Message-Id: <ab3393b4ca9a4ba84ea92ef252976509@milecki.pl>
Date: Tue, 27 Nov 2018 14:33:07 +0100
To: Borislav Petkov <bp@alien8.de>
Cc: =?UTF-8?Q?Rafa=C5=82_Mi=C5=82ecki?= <zajec5@gmail.com>, John Clemens <clemej@gmail.com>, Yazen Ghannam <Yazen.Ghannam@amd.com>, Tony Luck <tony.luck@intel.com>, linux-edac@vger.kernel.org, Aravind Gopalakrishnan <aravindksg.lkml@gmail.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>, x86@kernel.org
List-ID: <edac.vger.kernel.org>
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