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    SubjectRe: [PATCH v3] Add TAINT_HARDWARE_UNSUPPORTED flag
    On Tue, 22 Jun 2010 17:38:17 +0100
    Matthew Garrett <mjg@redhat.com> wrote:

    > On Tue, Jun 22, 2010 at 04:48:35PM +0100, Alan Cox wrote:
    > > > + printk(KERN_CRIT "UNSUPPORTED HARDWARE DEVICE: %s\n", msg);
    > > > + WARN_TAINT(1, TAINT_HARDWARE_UNSUPPORTED,
    > > > + "Your hardware is unsupported. Please do not report "
    > > > + "bugs, panics, oopses, etc., on this hardware.\n");
    > >
    > > And as already pointed out it's not unsupported hardware even in the case
    > > you described
    >
    > It's hardware that isn't supported by the vendor. How is it not
    > unsupported hardware in that context?

    Which vendor ? What do you mean by support ? Even in Red Hat you will
    I suspect need to change that message because after the first 500 calls
    received by Dell or HP or whoever about it they'll demand you add
    "unsupported by Red Hat" or similar to avoid them getting support calls !

    And then as I said originally the example given was not even
    "unsupported hardware" for an obvious Red Hat definition of the two
    because it was actually about firmware combinations on specific boards -
    ie it was an unsupported configuration.

    The trouble in part is that the moment you borrow a bit for Red Hat
    private use and put that use into the kernel you've made it unusuable for
    anyone else. If you simply mark a few bits 'private/experimental use'
    then you can use it for "unsupported" but others can use it for things
    like 'uncertified configuration' or 'test' or 'non vendor signed module
    loaded' and so on. All valid uses in specific vendor customisations.

    The other giggle of course is that the WARN says do not report, but the
    existing oops capturing software will capture the WARN so auto-report it.

    Alan


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