Messages in this thread | | | Date | Fri, 22 Apr 2022 08:48:15 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH v3 0/3] firmware: Add boot information to sysfs |
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On Fri, Feb 04, 2022 at 05:52:31PM +1030, Joel Stanley wrote: > v3 resolves Greg's review for the bootinfo header and macros, and drops > uart_boot as it's unlikely to be common across platforms. > > v2 reworks the series to put the sysfs properties in the core, and > optionally show them with the is_visible() callback. > > This is the second iteration of this idea. The first used socinfo > custom attribute groups, but Arnd suggested we make this something > standardised under /sys/firmware instead: > > http://lore.kernel.org/all/CAK8P3a3MRf0aGt1drkgsuZyBbeoy+S7Ha18SBM01q+3f33oL+Q@mail.gmail.com > > Some ARM systems have a firmware that provides a hardware root of > trust. It's useful for the system to know how this root of trust has > been configured, so provide a standardised interface that expose this > information to userspace. > > This is implemented as a sysfs attribute group registration in the > driver core, with platforms populating values obtained from firmware at > kernel boot time. > > Patch 2 provides a user of the properties on an ARM system. > > Patch 3 is new in v2 and is an example of populating bootinfo with the > EFI secure boot status.
I would like arch maintainers to review this before it going any further.
thanks,
greg k-h
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