linux-kernel - Re: [PATCH 01/11] acpi/ghes: Prepare to support multiple sources on ghes

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Message-ID: <20250123095648.000063a5@huawei.com>
Date: Thu, 23 Jan 2025 09:56:48 +0000
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
CC: Igor Mammedov <imammedo@...hat.com>, "Michael S . Tsirkin"
	<mst@...hat.com>, Shiju Jose <shiju.jose@...wei.com>, <qemu-arm@...gnu.org>,
	<qemu-devel@...gnu.org>, Ani Sinha <anisinha@...hat.com>, Dongjiu Geng
	<gengdongjiu1@...il.com>, Peter Maydell <peter.maydell@...aro.org>, "Shannon
 Zhao" <shannon.zhaosl@...il.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 01/11] acpi/ghes: Prepare to support multiple sources on
 ghes

On Wed, 22 Jan 2025 16:46:18 +0100
Mauro Carvalho Chehab <mchehab+huawei@...nel.org> wrote:

> The current code is actually dependent on having just one error
> structure with a single source.
> 
> As the number of sources should be arch-dependent, as it will depend on
> what kind of synchronous/assynchronous notifications will exist, change

asynchronous.

> the logic to dynamically build the table.
> 
> Yet, for a proper support, we need to get the number of sources by
> reading the number from the HEST table. However, bios currently doesn't
> store a pointer to it.
> 
> For now just change the logic at table build time, while enforcing that
> it will behave like before with a single source ID.
> 
> A future patch will add a HEST table bios pointer and change the logic
> at acpi_ghes_record_errors() to dynamically use the new size.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>