linux-kernel - Re: [PATCH v1 0/3] ACPI: PM: s2idle: Tidy up the code and avoid invoking

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Message-ID: <226584e9-7dca-49c8-a9a0-e7f8b6edd021@kernel.org>
Date: Thu, 9 Oct 2025 14:36:27 -0500
From: Mario Limonciello <superm1@...nel.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>,
 Linux ACPI <linux-acpi@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>, Linux PM <linux-pm@...r.kernel.org>,
 Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: Re: [PATCH v1 0/3] ACPI: PM: s2idle: Tidy up the code and avoid
 invoking _DSM unnecessarily

On 10/9/25 2:25 PM, Rafael J. Wysocki wrote:
> Hi Everyone,
> 
> There is an unused function related to s2idle on x86, so drop it (patch [1/3]).
> 
> Also, some callback functions used in struct platform_s2idle_ops on x86 can
> be made static, so do that (patch [2/3]).
> 
> Finally, the evaluation of LPS0 _DSM Function 1 is useless overhead unless
> printing PM debug messages has been enabled, so rearrange the code to only
> evaluate it when the data produced by it will be used (patch [3/3]).
> 
> Please see changelogs of the individual patches for details.
> 
> Thanks!
> 
> 
> 

Reviewed-by: Mario Limonciello (AMD) <superm1@...nel.org>