On 6 May 2013 06:11, Rusty Russell <ru...@rustcorp.com.au> wrote: > Peter Maydell <peter.mayd...@linaro.org> writes: >> To be actually useful we need to also specify something in >> the device tree to say "here is where you will find your >> emergency output and what it is". > > Hmm, I'm not sure that's true. It looks like it needs: > > 1) An enhancment to the vdev->set_config callback to pass through (at > least) an offset, probably offset and length. > > 2) An emerg_write() function ptr which can be called at any time, set by > virtio_console.c's class_init:
That all looks like sensible QEMU implementation possibilities but it seems to be a bit of a non-sequitur from "how do we tell the kernel to actually use this?" -- PMM -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
