Intel Introducing Microcode Staging Feature For Linux 6.19 To Cope With Bigger Blobs

Phoronix Oct 17, 2025

Due to Intel CPU microcode sizes continuing to get larger and late-loading new CPU microcode onto a running system can lead to (brief) disruptions/downtime while the update is applied, future Intel CPUs are introducing a microcode "staging" feature to reduce that microcode updating downtime. The Linux 6.19 kernel in the new year is set to support the Intel microcode staging feature with capable processors...

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