linux-kernel - Re: [PATCH v6 03/15] x86/mce: Define BSP-only SMCA init

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Message-ID: <49960695-5de9-494b-98c3-2ad7f1d5fa9f@suse.com>
Date: Wed, 10 Sep 2025 14:48:03 +0300
From: Nikolay Borisov <nik.borisov@...e.com>
To: Yazen Ghannam <yazen.ghannam@....com>, x86@...nel.org,
 Tony Luck <tony.luck@...el.com>, "Rafael J. Wysocki" <rafael@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org,
 Smita.KoralahalliChannabasappa@....com, Qiuxu Zhuo <qiuxu.zhuo@...el.com>,
 linux-acpi@...r.kernel.org
Subject: Re: [PATCH v6 03/15] x86/mce: Define BSP-only SMCA init

On 9/8/25 18:40, Yazen Ghannam wrote:
> Currently on AMD systems, MCA interrupt handler functions are set during
> CPU init. However, the functions only need to be set once for the whole
> system.
> 
> Assign the handlers only during BSP init. Do so only for SMCA systems to
> maintain the old behavior for legacy systems.
> 
> Signed-off-by: Yazen Ghannam <yazen.ghannam@....com>

Reviewed-by: Nikolay Borisov <nik.borisov@...e.com>