SMBIOS/DMI data under CONFIG_STRICT_DEVMEM

Olof Johansson olof at lixom.net
Sat Jan 17 13:10:11 PST 2015


Hi,

On Sat, Jan 17, 2015 at 12:12 PM, Jon Masters <jcm at redhat.com> wrote:
> Hi Catalin, all,
>
> I would like to ensure that the SMBIOS data provided by firmware is
> always readable from userspace on AArch64, through /dev/mem.

Seems like this would be a good opportunity for cleanup and fixing
userspace to use /sys/firmware/dmi interfaces instead of having to go
poking through /dev/mem. That way they don't have to be privileged
process any more and is a general security benefit for everybody.


-Olof



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