INFRA Signal 168
Linux 7.2-rc6 Fixes Some AMD Zen 5 CPUs Being Mistakenly Identified As Zen 6
WHY IT MATTERS
Incorrect CPU identification can lead to the kernel applying the wrong microarchitectural optimizations or workarounds, potentially degrading performance or stability on affected hardware. Engineers running these specific AMD processors should test this release candidate to ensure proper hardware recognition.
Written by elseif from the cluster below · every claim links back to a sourceThe three things worth knowing
01
A patch included in Linux 7.2-rc6 corrects the CPU family identification for some AMD Zen 5 processors.
02
The bug caused the kernel to mistakenly classify the affected Zen 5 hardware as Zen 6.
03
The fix is categorized under x86 updates for the kernel.
THE CLUSTER