On Thursday 01 July 2010 06:22:39 pm Henrique de Moraes Holschuh wrote: > On Thu, 01 Jul 2010, Thomas Renninger wrote: > > These patches are diffed against the test branch of the ACPI tree, but > > also patch fine with 2.6.35-rc3. > > > > I thought about tainting the kernel if someone writes to the EC, but as > > userspace can also write to graphics IO, PCI config or MSRs, it shouldn't > > matter that much. > > Eventually this should still be added (by a separate patch), one can > > easily confuse the EC to not switch on the fans anymore. > > > > A small tool to read out and write to /sys/devices/system/ec/*/io can be > > found here: > > ftp://ftp.suse.com/pub/people/trenn/sources/ec/ec_access.c > > > > Len: Can you apply these into your test branch and schedule them for > > linux-next and 2.6.36 if there are no objections, please. > > I am just wondering if we shouldn't have this in debugfs instead of regular > /sys. Do you envision *production* use of this facility, or should it just > be something to use for debugging and hacking? Only for debugging and hacking. Apps must not use it for production. On the one hand I agree, on the other hand side I think the EC somehow fits into /sys/devices/system/ec. I don't have a strong opion on that, though. Thomas -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html