Re: [Qemu-devel] [PATCH] target/s390x: Implement CSST

[David Hildenbrand <david@redhat.com>]

On 15.06.2017 22:37, Richard Henderson wrote:
> There are no uses in a Linux system with which to test,
> but it Looks Right by my reading of the PoO.

I am using next.git/master with this patch applied:
https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git/commit/?h=features&id=8aa8680aa383bf6e2ac

I am using QEMU with the mvcos patch and your patch applied (and a patch
that allows enabling csst/csst2).

I am using the following qemu command line:

#!/bin/bash
/home/dhildenb/git/qemu/s390x-softmmu/qemu-system-s390x \
	-nographic -nodefaults -machine s390-ccw-virtio,accel=tcg \
	-cpu qemu,mvcos=on,stfle=on,ldisp=on,ldisphp=on,\
          eimm=on,stckf=on,csst=on,csst2=on,ginste=on,exrl=on\
	-m 256M -smp 1 -chardev stdio,id=con0 \
	-device sclpconsole,chardev=con0 \
	-kernel vmlinux -initrd /home/dhildenb/initrd.debian

Right now, I can start a z9 compiled kernel.

When trying to start a z10 compiled kernel (which generates many csst),
qemu simply crashes / the guests exits (have to debug) without any
command line output.

So either something in csst is broken or in the other instructions for z10.

-- 

Thanks,

David