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Re: [Qemu-devel] [PULL 09/20] s390x/ipl: Remove redundant usage of gr7
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PULL 09/20] s390x/ipl: Remove redundant usage of gr7 |
Date: |
Wed, 18 May 2016 12:37:04 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.0 |
On 18/05/2016 12:09, Christian Borntraeger wrote:
>> > This probably breaks reboot after migration from 2.6.
>> >
>> > If that's fine, all the better. :)
> Our BIOS is in RAM and usually overwritten by the guest.
> On reboot this is reloaded from whatever BIOS is on the target,
> so migration should still work.
Indeed if the BIOS is not in its own RAMBlock then it's fine.
Thanks!
Paolo
> I have verified that migration between 2.4 and 2.6 plus these
> patches forth and back still allows to reboot.
>
> In other words the bios and the code in ipl.c have to be updated
> in lockstep, then everything is fine.
>
>
>
- [Qemu-devel] [PULL 18/20] s390x/pci: enhance mpcifc_service_call, (continued)
- [Qemu-devel] [PULL 18/20] s390x/pci: enhance mpcifc_service_call, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 19/20] s390x/pci: add length checking for pci sclp handlers, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 05/20] s390x/ipl: Provide ipl parameter block, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 20/20] s390x/pci: remove whitespace, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 06/20] s390x/ipl: Add ssid field to IplParameterBlock, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 10/20] hw/char: QOM'ify sclpconsole-lm.c, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 15/20] s390x/pci: export pci_dereg_ioat and pci_dereg_irqs, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 09/20] s390x/ipl: Remove redundant usage of gr7, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 02/20] s390x: enable runtime instrumentation, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 03/20] s390x/ipl: Extend the IplParameterBlock struct, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 17/20] s390x/pci: fix s390_pci_sclp_deconfigure, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 16/20] s390x/pci: introduce S390PCIBusDevice.iommu_enabled, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 11/20] hw/char: QOM'ify sclpconsole.c, Cornelia Huck, 2016/05/17
- [Qemu-devel] [PULL 08/20] s390-ccw.img: rebuild image, Cornelia Huck, 2016/05/17
- Re: [Qemu-devel] [PULL 00/20] First round of s390x patches for 2.7, Peter Maydell, 2016/05/17