linux-kernel - Re: [PATCH 1/2] Documentation: hwmon: coretemp: Update supported CPUs and TjMax values

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Message-ID: <afac8d11-c70e-4479-9e04-2d502251ff15@roeck-us.net>
Date: Mon, 12 Jan 2026 16:01:19 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: Laveesh Bansal <laveeshb@...eeshbansal.com>
Cc: Jonathan Corbet <corbet@....net>, linux-hwmon@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] Documentation: hwmon: coretemp: Update supported
 CPUs and TjMax values

On Tue, Jan 06, 2026 at 03:54:25PM +0000, Laveesh Bansal wrote:
> Update the coretemp documentation to reflect current driver capabilities:
> 
> - Extend the supported CPU model list to include Atom processors from
>   Bonnell through Jasper Lake, maintaining the original format with
>   model numbers and adding X86_FEATURE_DTHERM as the actual detection
>   mechanism. Added models: 0x37 (Bay Trail), 0x4a (Merrifield),
>   0x4c (Cherry Trail), 0x5a (Moorefield), 0x5c (Apollo Lake),
>   0x7a (Gemini Lake), 0x96 (Elkhart Lake), 0x9c (Jasper Lake)
> 
> - Update the description to note that per-package temperature sensing
>   is available on Sandy Bridge and all newer processors
> 
> - Clarify that TjMax is read from MSR_IA32_TEMPERATURE_TARGET on modern
>   CPUs (Nehalem and newer)
> 
> - Add TjMax values for newer Atom processor families to Appendix A:
>   - 22nm Silvermont/Bay Trail: E38xx at 110C, Z37xx at 90C
>   - 22nm Silvermont/Moorefield: Z35xx at 90C
>   - 14nm Airmont/Cherry Trail: Z8xxx at 90C
>   - 14nm Goldmont/Apollo Lake: 105C
>   - 14nm Goldmont Plus/Gemini Lake: 105C
>   - 10nm Tremont/Elkhart Lake: 105C
>   - 10nm Tremont/Jasper Lake: 105C
> 
> TjMax values obtained from Intel ARK and official datasheets:
> - E3845: https://www.intel.com/content/www/us/en/products/sku/78475/intel-atom-processor-e3845-2m-cache-1-91-ghz/specifications.html
> - Z3600/Z3700: https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/atom-z36xxx-z37xxx-datasheet-vol-1.pdf
> 
> Signed-off-by: Laveesh Bansal <laveeshb@...eeshbansal.com>

Applied.

Thanks,
Guenter