On Tue, Dec 18, 2018 at 02:04:54PM +1100, Alexey Kardashevskiy wrote: > > > On 18/12/2018 13:09, David Gibson wrote: > > On Mon, Dec 17, 2018 at 05:21:33PM +1100, David Gibson wrote: > >> On Fri, Dec 14, 2018 at 12:55:20PM +1100, Alexey Kardashevskiy wrote: > >>> SLOF receives a device tree and updates it with various properties > >>> before switching to the guest kernel and QEMU is not aware of any changes > >>> made by SLOF. Since there is no real RTAS (QEMU implements it), it makes > >>> sense to pass the SLOF final device tree to QEMU to let it implement > >>> RTAS related tasks better, such as PCI host bus adapter hotplug. > >>> > >>> Specifially, now QEMU can find out the actual XICS phandle (for PHB > >>> hotplug) and the RTAS linux,rtas-entry/base properties (for firmware > >>> assisted NMI - FWNMI). > >>> > >>> This stores the initial DT blob in the sPAPR machine and replaces it > >>> in the KVMPPC_H_UPDATE_DT (new private hypercall) handler. > >>> > >>> This adds an @update_dt_enabled machine property to allow backward > >>> migration. > >>> > >>> SLOF already has a hypercall since > >>> https://github.com/aik/SLOF/commit/e6fc84652c9c0073f9183 > >>> > >>> This makes use of the new fdt_check_full() helper. In order to allow > >>> the configure script to pick the correct DTC version, this adjusts > >>> the DTC presense test. > >>> > >>> Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru> > >> > >> Applied, thanks. > > > > And now, unapplied. > > > > I don't know quite how, but somehow this patch is causing aarch64 > > tests to SEGV. > > > /home/aik/p/qemu/configure --target-list=aarch64-softmmu > --source-path=/home/aik/p/qemu/ --disable-git-update --with-git=false > --enable-trace-backend=log > > and > > make -C /home/aik/pbuild/qemu-localhost-aarch64-rel/ -j24 check > > did not produce segv. I am running this all on a power8 box + ubuntu > 1804, what is your config?
Hm, curious. I'm using Fedora 29 on an x86 host.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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