Re: [kvm-unit-tests PATCH 0/2] s390x: Improve architectural compliance for diag308

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




> Am 05.11.2019 um 17:29 schrieb Janosch Frank <frankja@xxxxxxxxxxxxx>:
> 
> When testing diag308 subcodes 0/1 on lpar with virtual mem set up, I
> experienced spec PGMs and addressing PGMs due to the tests not setting
> short psw bit 12 and leaving the DAT bit on.
> 
> The problem was not found under KVM/QEMU, because Qemu just ignores
> all cpu mask bits... I'm working on a fix for that too.
> 

I don‘t have access to documentation. Is what LPAR does documented behavior or is this completely undocumented and therefore undefined behavior? Then we should remove these test cases completely instead.

> Janosch Frank (2):
>  s390x: Add CR save area
>  s390x: Remove DAT and add short indication psw bits on diag308 reset
> 
> lib/s390x/asm-offsets.c  |  3 ++-
> lib/s390x/asm/arch_def.h |  5 +++--
> lib/s390x/interrupt.c    |  4 ++--
> lib/s390x/smp.c          |  2 +-
> s390x/cstart64.S         | 29 ++++++++++++++++++++---------
> 5 files changed, 28 insertions(+), 15 deletions(-)
> 
> -- 
> 2.20.1
> 



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Kernel Development]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Info]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Linux Media]     [Device Mapper]

  Powered by Linux