[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] incorrect layout of globals from head_64.S during kexec boot

On Tue, 2012-07-10 at 10:14 -0400, Konrad Rzeszutek Wilk wrote:
> Which brings me to another question - say we do use this patch, what
> if the decompressor overwrites the old kernels .data section. Won't
> we run into this problem again?

I've not really been following this thread that closely but wouldn't the
right answer be for the original kernel to unmap the shared info on
kexec? Or maybe remap it up to some high/reserved address? Can it read
the original address used by hvmloader at start of day and reuse that?


Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.