Re: [Fastboot] Re: Announce: dumpfs v0.01 - common RAS output API

Alan Cox
2004-07-29T22:25:27Z

On Iau, 2004-07-29 at 19:17, Andrew Morton wrote:
> Of course, there's an assumption here that the dead kernel doesn't scribble
> on pages which were never available to its page allocator. If DMA somehow
> goes off and scribbles on the dump kernel we lose.

If the new kernel image starts with an SHA hash check including the
SHA hash check code that can be pretty robust as a sanity check.

> See above. We assume that network RX DMA won't be scribbling in the 16MB
> which was pre-reserved. That's reasonable. We _have_ to assume that.

Ok