[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, Jul 10, Ian Campbell wrote: > On Tue, 2012-07-10 at 10:51 -0400, Konrad Rzeszutek Wilk wrote: > > On Tue, Jul 10, 2012 at 08:46:34AM -0600, Ian Campbell wrote: > > > 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 > > > > That would be the right answer I think, but I don't see the a > > VCPU_deregister > > call (only VCPU_register). > > Is the issue here vcpuinfo or the shared info (or both)? shared info is the issue in PVonHVM. Olaf _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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