Failed to open file /sys/devices/system/cpu/microcode/reload read-only file system

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#1

This popped up during installation is it something to worry about?

failed to open file /sys/devices/system/cpu/microcode/reload read-only file system

I have a xps15 9570 here are the specs if they are relevant

Processor: [Intel Core i7-8750H]6 x 2.2 - 4.1 GHz, Coffee Lake-H

Graphics adapter: [NVIDIA GeForce GTX 1050 Ti Max-Q]

Memory: 16384 MB, DDR4-2666, Dual-Channel, up to 32 G

#2

No, not at all. The CPU µcode should be loaded early by the initramfs image supplied by the µcode package.

Late loading is discouraged now anyway so CONFIG_ MICROCODE_OLD_INTERFACE is no longer set in Arch kernels.