[Qemu-devel] [PATCH] s390: support EDAT-2 in mmu_translate_region

2019-07-16 Thread Ilya Leoshkevich
When debugging s390 linux kernel with qemu kvm gdbstub, dumping memory contents at addresses in range 0x8000-0x1 results in an error or all zeroes being returned. The problem appears to be that linux puts 2G page at that location, which qemu currently does not know about. Check FC

Re: [Qemu-devel] [PATCH] s390: support EDAT-2 in mmu_translate_region

2019-07-16 Thread David Hildenbrand
On 16.07.19 15:11, Christian Borntraeger wrote: > > On 16.07.19 15:04, Cornelia Huck wrote: >> On Tue, 16 Jul 2019 14:52:03 +0200 >> Ilya Leoshkevich wrote: >> Am 16.07.2019 um 14:41 schrieb David Hildenbrand : How urgent is this? If this can wait, I can polish and send my series

Re: [Qemu-devel] [PATCH] s390: support EDAT-2 in mmu_translate_region

2019-07-16 Thread Christian Borntraeger
On 16.07.19 15:04, Cornelia Huck wrote: > On Tue, 16 Jul 2019 14:52:03 +0200 > Ilya Leoshkevich wrote: > >>> Am 16.07.2019 um 14:41 schrieb David Hildenbrand : >>> >>> How urgent is this? If this can wait, I can polish and send my series I >>> have here >>> instead, which also implents >>> -

Re: [Qemu-devel] [PATCH] s390: support EDAT-2 in mmu_translate_region

2019-07-16 Thread Ilya Leoshkevich
> Am 16.07.2019 um 15:04 schrieb Cornelia Huck : > > On Tue, 16 Jul 2019 14:52:03 +0200 > Ilya Leoshkevich wrote: > >>> Am 16.07.2019 um 14:41 schrieb David Hildenbrand : >>> >>> How urgent is this? If this can wait, I can polish and send my series I >>> have here >>> instead, which also

Re: [Qemu-devel] [PATCH] s390: support EDAT-2 in mmu_translate_region

2019-07-16 Thread Cornelia Huck
On Tue, 16 Jul 2019 14:52:03 +0200 Ilya Leoshkevich wrote: > > Am 16.07.2019 um 14:41 schrieb David Hildenbrand : > > > > How urgent is this? If this can wait, I can polish and send my series I > > have here > > instead, which also implents > > - IEP support > > -

Re: [Qemu-devel] [PATCH] s390: support EDAT-2 in mmu_translate_region

2019-07-16 Thread Ilya Leoshkevich
> Am 16.07.2019 um 14:41 schrieb David Hildenbrand : > > How urgent is this? If this can wait, I can polish and send my series I have > here > instead, which also implents > - IEP support > - access-exception-fetch/store-indication facility > - ESOP-1, ESOP-2 This is not urgent, I can live with

Re: [Qemu-devel] [PATCH] s390: support EDAT-2 in mmu_translate_region

2019-07-16 Thread David Hildenbrand
On 16.07.19 14:34, Ilya Leoshkevich wrote: > When debugging s390 linux kernel with qemu kvm gdbstub, dumping memory > contents at addresses in range 0x8000-0x1 results in an > error or all zeroes being returned. > > The problem appears to be that linux puts 2G page at that location, >