Messages in this thread | | | From | Jeremy Maitin-Shepard <> | Subject | Re: Hibernation Redesign | Date | Mon, 09 Jul 2007 10:26:14 -0400 |
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Oliver Neukum <oliver@neukum.org> writes:
[snip]
> Hm, once the new kernel is booted, this decision is irrevocable, isn't it? > Is there any way to deal with errors by handing control back?
Returning to the old kernel can be done by telling drivers to set the hardware to the appropriate state, then copying the backed up memory back to the beginning of physical memory, and finally jumping to the old kernel. It would be much like what is done to resume from hibernation.
-- Jeremy Maitin-Shepard - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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