linux-kernel - Re: [PATCH v2] x86,acpi: Limit "Dummy wait" workaround to older AMD and Intel processors

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Message-ID: <0d0ecaf5-c186-8a17-99a8-a732dc716b19@amd.com>
Date:   Fri, 23 Sep 2022 22:22:36 +0530
From:   K Prateek Nayak <kprateek.nayak@....com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     linux-kernel@...r.kernel.org, rafael@...nel.org, lenb@...nel.org,
        linux-acpi@...r.kernel.org, linux-pm@...r.kernel.org,
        dave.hansen@...ux.intel.com, tglx@...utronix.de, andi@...as.de,
        puwen@...on.cn, mario.limonciello@....com, peterz@...radead.org,
        rui.zhang@...el.com, gpiccoli@...lia.com,
        daniel.lezcano@...aro.org, ananth.narayan@....com,
        gautham.shenoy@....com, Calvin Ong <calvin.ong@....com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        stable@...r.kernel.org
Subject: Re: [PATCH v2] x86,acpi: Limit "Dummy wait" workaround to older AMD
 and Intel processors

Hello Boris,

On 9/23/2022 10:00 PM, Borislav Petkov wrote:
> [..snip..]
> 
> Well, AFAICT, that box is old and dead. And I'm being told that the AMD
> machines which we care for and which are still alive should not need the
> dummy read.
> 
> Which means, we could try the simple fix first and see who complains.
> 

That's a fair point.
--
Thanks and Regards,
Prateek