Re: [PATCH] hwmon: (asus_atk0110) Don't load if ACPI resources aren't enforced

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On Wed, Mar 31, 2010 at 03:25:00PM +0200, Jean Delvare wrote:
> On Wed, 31 Mar 2010 13:51:23 +0100, Matthew Garrett wrote:
> > On Wed, Mar 31, 2010 at 09:30:04AM +0200, Jean Delvare wrote:
> > 
> > > It definitely does. At least on some of the affected boards, no access
> > > to the I/O area in question is done at all as long as the asus_atk0110
> > > driver is not loaded.
> > 
> > You've audited the system management code?
> 
> No, I did not. But you did not review the system management code of all
> computers out there either, and you are still writing kernel code that
> could be broken by it. So what's the point?

If the firmware tells us that a resource range using indexed access is 
reserved, it's not safe to assume that the firmware isn't using it.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx

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