In place kexec
H. Peter Anvin
hpa at zytor.com
Fri Jul 30 17:11:43 EDT 2010
On 07/30/2010 01:15 PM, David Woodhouse wrote:
> - 'on with page tables cleared', in which case you are safe but some
> devices might get upset when their DMA is aborted, so their driver
> needs not to be a pile of shit, and needs to recover from that.
I presume this is the state he's referring to.
Now, if this means there are page tables in memory those tables are
still subject to being overwritten.
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