Linux 5.10: with support for temperature monitoring for AMD Zen 3

Logo Kernel Linux, Tux

El Linux kernel continues with its development, incorporating new features in terms of subsystems, controllers, etc. Currently one of the RCs of the Linux 5.9 version is being developed, but we are also thinking about what Linux 5.10 will be and it will come with interesting news and improvements with respect to its predecessors, one of them referring to the new AMD Zen 3 microarchitecture.

The new chips Zen 3-based AMD, and with Ryzen 5000 numbering for consumption, they will come loaded with new features and improved performance. But they also need some support from the kernel side, and for this reason changes will be incorporated for this new version of Linux that will include, in addition to the architecture-dependent code, also drivers to support temperature monitoring.

The news is special since it is the first time in the history of the AMD Zen that a temperature monitor for reports of heat generated for the CPU added to Linux. Although there are ways to control the temperature in previous generations such as Zen, Zen +, and Zen 2, the code for it was contributed by the community or independent developers.

Instead, it has now been AMD the one that has provided this new support, thus arriving months before the launch of these processors, instead of months later as has happened in the cases mentioned above. An advantage for users who from the first moment will be able to have such data from their CPU without waiting.

This has been known by patches contributed by an AMD engineer which has contributed them ahead of launch to add such support for Zen 3. These patches are expected to have their merge with Linux 5.10 in October, with the addition of the new bits needed for the Family 19h (Zen 3) in the k10temp driver.

There will also be other updates regarding this new architecture that will affect future AMD Ryzen, Threadripper and EPYC chips based on Zen 3, and it is expected that some improvements will continue to arrive beyond this. Remember that AMD announced to reveal details of Zen 3 the October 8...


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