Re: [Qemu-devel] [PATCH] s390-bios: Skip bootmap signature entries

[Christian Borntraeger <borntraeger@de.ibm.com>]

On 29.04.19 15:40, Cornelia Huck wrote:
> On Mon, 29 Apr 2019 09:09:41 -0400
> "Jason J. Herne" <jjherne@linux.ibm.com> wrote:
> 
>> Newer versions of zipl have the ability to write signature entries to the boot
>> script for secure boot. We don't yet support secure boot, but we need to skip
>> over signature entries while reading the boot script in order to maintain our
>> ability to boot guest operating systems that have a secure bootloader.
>>
>> Signed-off-by: Jason J. Herne <jjherne@linux.ibm.com>
>> Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
>> ---
>>  pc-bios/s390-ccw/bootmap.c | 19 +++++++++++++++++--
>>  pc-bios/s390-ccw/bootmap.h | 10 ++++++----
>>  2 files changed, 23 insertions(+), 6 deletions(-)
> 
> Skipping something that we don't have support for yet, but that doesn't
> hinder normal operation sounds reasonable; but can you point me to the
> relevant commit implementing this in zipl or some documentation? I
> haven't been able to find something like that in the s390-tools git
> tree.

the s390-tools update is currently in preparation, adding Stefan and Peter.