From: <dan.j.williams@intel.com>
To: Shubhakar Gowda <shubakargowdaps@gmail.com>, <dan.j.williams@intel.com>
Cc: <vishal.l.verma@intel.com>, <dave.jiang@intel.com>,
<ira.weiny@intel.com>, <rafael@kernel.org>, <lenb@kernel.org>,
<nvdimm@lists.linux.dev>, <linux-acpi@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
Shubhakar Gowda <Shubhakar_gowda.P_s@dell.com>
Subject: Re: [PATCH] ACPI: NFIT:Advertise DSM function 0xA (Query ARS error inject capabilities)
Date: Fri, 23 Jan 2026 16:44:28 -0800 [thread overview]
Message-ID: <697415ec95e13_3095100cb@dwillia2-mobl4.notmuch> (raw)
In-Reply-To: <20260119184438.19942-1-Shubhakar_gowda.P_s@dell.com>
Shubhakar Gowda wrote:
> ACPI 6.6 defines DSM function index 0xA to Query Address Range Scrub
> (ARS) error injection capabilities. This patch adds support for this
> DSM function in the NFIT DSM mask so that userspace and ndctl tool can
> detect platform support for Query ARS error injection capabilities features.
>
> The patch updates NFIT initialization to include DSM 0xA, logs
> supported DSMs for debugging, and uses the existing DSM infrastructure.
> No kernel ABI changes are introduced.
It does introduce new ABI. This new command can now be passed from
userspace. Can you say a bit more about why this is needed and the plans
for userspace to consume this? Like proposed changes to the "ndctl
inject-error" command, and otherwise what problems occur today with the
kernel blocking this command code?
prev parent reply other threads:[~2026-01-24 0:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-19 18:44 [PATCH] ACPI: NFIT:Advertise DSM function 0xA (Query ARS error inject capabilities) Shubhakar Gowda
2026-01-21 16:38 ` Ira Weiny
2026-01-24 0:44 ` dan.j.williams [this message]
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