linux-kernel - RE: [PATCH] ACPI: APEI: EINJ: EINJV2 support added

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Message-ID: <SJ1PR11MB6083F4A2C15BF5DFA5D80346FC6C9@SJ1PR11MB6083.namprd11.prod.outlook.com>
Date:   Wed, 3 May 2023 16:17:27 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Piyush Malgujar <pmalgujar@...vell.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "Williams, Dan J" <dan.j.williams@...el.com>,
        "xueshuai@...ux.alibaba.com" <xueshuai@...ux.alibaba.com>,
        "jaylu102@....com" <jaylu102@....com>,
        "benjamin.cheatham@....com" <benjamin.cheatham@....com>,
        "bp@...en8.de" <bp@...en8.de>,
        "james.morse@....com" <james.morse@....com>,
        "lenb@...nel.org" <lenb@...nel.org>,
        "rafael@...nel.org" <rafael@...nel.org>
CC:     "jannadurai@...vell.com" <jannadurai@...vell.com>,
        "cchavva@...vell.com" <cchavva@...vell.com>
Subject: RE: [PATCH] ACPI: APEI: EINJ: EINJV2 support added

> drivers/acpi/apei/einj.c | 172 +++++++++++++++++++++++++++++++++++----
> include/acpi/actbl1.h    |   4 +-
> 2 files changed, 157 insertions(+), 19 deletions(-)

Needs an update to Documentation/firmware-guide/acpi/apei/einj.rst
with some example of how to use the EINJV2 injection. It appears that
param3 and param4 are now used for memory injection instead of
(or as well as?) param1 and param2. But it isn't all that obvious what
they do.

-Tony