linux-kernel - Re: [PATCH v2] alpha: machine check handler for tsunami

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Message-Id: <41157e81-0dd9-4950-b9b2-245c0007d2bd@app.fastmail.com>
Date: Wed, 23 Apr 2025 21:58:40 +0200
From: "Arnd Bergmann" <arnd@...db.de>
To: "Magnus Lindholm" <linmag7@...il.com>, linux-kernel@...r.kernel.org,
 linux-alpha@...r.kernel.org
Cc: "Richard Henderson" <richard.henderson@...aro.org>,
 "Matt Turner" <mattst88@...il.com>, "Paul E. McKenney" <paulmck@...nel.org>,
 "John Paul Adrian Glaubitz" <glaubitz@...sik.fu-berlin.de>, macro@...hat.com,
 "Michael Cree" <mcree@...on.net.nz>, "Ivan Kokshaysky" <ink@...een.parts>
Subject: Re: [PATCH v2] alpha: machine check handler for tsunami

On Wed, Apr 23, 2025, at 21:21, Magnus Lindholm wrote:
> This patch is an attempt to implement a machine check handler with detailed
> information on error conditions in the event of a machine check exception
> on the tsunami platform. This work is inspired by how machine check
> exceptions are handled on the titan family. This patch implements
> processing of the logout frames that is generated in the event of a
> machine check. The logout frame contains platform specific information
> and is helpful in pinpointing the source that triggered the exception
> or fault. Some faults are recoverable, such as a correctable ECC error,
> but others may not be possible to recover from. As Alpha hardware is aging
> we may see more errors due to failing hardware and proper machine check
> handling can assist in detecting and diagnosing such errors. I hope that
> someone finds this useful, any feedback is much appreciated.

Should this perhaps be part of drivers/edac/ ?

     ARnd