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Subject: Re: [PATCHv1] ACPI: processor idle: Allow playing dead in C3 state
To:     "Lazar, Lijo" <lijo.lazar@amd.com>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Len Brown <lenb@kernel.org>
Cc:     ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Mario Limonciello <mario.limonciello@amd.com>,
        "Gong, Richard" <richard.gong@amd.com>
References: <20210922133116.102-1-richard.gong@amd.com>
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From:   Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Date:   Wed, 29 Sep 2021 10:09:00 -0400
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On 9/29/21 1:37 AM, Lazar, Lijo wrote:
>
>
>
> Apologies to barge in. This is regarding the patch you added years back - https://www.spinics.net/lists/linux-pm/msg27003.html
>
> Do you recall why C3 was not considered for offline/play dead scenarios in the original patch?


Not really. Perhaps processors from that time (at least AMD ones) did not support C3?


-boris