On Thursday 17 January 2008 16:31, Theodore Tso wrote:
> On Thu, Jan 17, 2008 at 03:04:26PM -0500, Len Brown wrote:
> > On Thursday 17 January 2008 07:28, Matthew Garrett wrote:
> > > On Thu, Jan 17, 2008 at 05:24:50AM -0500, Len Brown wrote:
> > >
> > > > + {
> > > > + .callback = dmi_enable_osi_linux,
> > > > + .ident = "Lenovo ThinkPad T61",
> > > > + .matches = {
> > > > + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> > > > + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
> > > > + },
> > > > + },
> > > > +
> > >
> > > If we add it for specific devices, aren't vendors going to assume that
> > > future versions of that device will also be able to rely on this
> > > behaviour?
> >
> > When the new product comes out and they
> > try Linux on it, OSI(Linux) will return FALSE unless
> > somebody (later) adds the new product to the white-list.
> >
> > So if a vendor really cares about Linux, they'll know
> > during development that they can't count on OSI(Linux) returning TRUE.
>
> Maye the whitelist should use very specific BIOS version numbers as
> part of the DMI_MATCH, and we encourage the vendors to remove the
> OSI(Linux) specific hacks moving forward? After all, the workarounds
> are only needed for the very latest BIOS versions, and if we can
> manage to convince vendors to make them go away, then maybe after some
> particular BIOS version, we won't need to do anything special.
I don't really want to get bogged down on individual BIOS Versions.
I don't expect vendors would want to change mid-course anyway --
and if they did, nobody updates their bios anyway.
> Perhaps if there was a well documented, "this is what we want" from
> the Linux community, which can then get communicated to Lenovo, HP,
> Dell, etc.? This document could include a request that Laptop vendors
> document how various things work when they do vendor-specific things,
> and also documenting what Linux is doing today because we believe it's
> what is the Windows-compatible behaviour.
vendors who care about Linux run this:
http://linuxfirmwarekit.org/
So I think if shout there, then it we'll be heard.
thanks,
-Len
-
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
