Re: [PATCH] ACPI: bus: Match first 9 bytes of device IDs

[Alexander Graf]

On 25.02.22 19:39, Jason A. Donenfeld wrote:
> Okay, the final piece, userspace:
>
> /sys/bus/acpi/devices/QEMUVGID:00/modalias gives:
>      acpi:QEMUVGID:VM_GEN_COUNTER:
>
> modinfo -F alias vmgenid.ko gives:
>      acpi*:VM_GEN_COUNTER:*
>
> udev src uses fnmatch.
>
> Bash confirms a match:
>
> $ [[ "acpi:QEMUVGID:VM_GEN_COUNTER:" == acpi*:VM_GEN_COUNTER:* ]] &&
> echo matches
> matches
>
> So I think with ACPI_ID_LEN --> 16 we are good to go.


Is the size increase (mostly rodata I suppose? Anywhere else?) measurable?


Alex




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