Re: [Qemu-devel] [PATCH v1] s390x/tcg: fix loading 31bit PSWs with the highest bit set

2018-03-01 Thread David Hildenbrand
On 01.03.2018 14:53, Thomas Huth wrote: > On 01.03.2018 13:08, David Hildenbrand wrote: >> Let's also put the 31-bit hack in front of the REAL MMU, otherwise right >> now we get errors when loading a PSW where the highest bit is set (e.g. >> via s390-netboot.img). The highest bit is not masked away

Re: [Qemu-devel] [PATCH v1] s390x/tcg: fix loading 31bit PSWs with the highest bit set

2018-03-01 Thread Thomas Huth
On 01.03.2018 13:08, David Hildenbrand wrote: > Let's also put the 31-bit hack in front of the REAL MMU, otherwise right > now we get errors when loading a PSW where the highest bit is set (e.g. > via s390-netboot.img). The highest bit is not masked away, therefore we > inject addressing exceptions

Re: [Qemu-devel] [PATCH v1] s390x/tcg: fix loading 31bit PSWs with the highest bit set

2018-03-01 Thread Cornelia Huck
On Thu, 1 Mar 2018 13:08:26 +0100 David Hildenbrand wrote: > Let's also put the 31-bit hack in front of the REAL MMU, otherwise right > now we get errors when loading a PSW where the highest bit is set (e.g. > via s390-netboot.img). The highest bit is not masked away, therefore we > inject addre

[Qemu-devel] [PATCH v1] s390x/tcg: fix loading 31bit PSWs with the highest bit set

2018-03-01 Thread David Hildenbrand
Let's also put the 31-bit hack in front of the REAL MMU, otherwise right now we get errors when loading a PSW where the highest bit is set (e.g. via s390-netboot.img). The highest bit is not masked away, therefore we inject addressing exceptions into the guest. The proper fix will later be to do a