linux_dsm_epyc7002/arch/s390/mm
Vasily Gorbik 084ea4d611 s390/mm: add (non)secure page access exceptions handlers
Add exceptions handlers performing transparent transition of non-secure
pages to secure (import) upon guest access and secure pages to
non-secure (export) upon hypervisor access.

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
[frankja@linux.ibm.com: adding checks for failures]
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
[imbrenda@linux.ibm.com:  adding a check for gmap fault]
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
[borntraeger@de.ibm.com: patch merging, splitting, fixing]
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2020-02-27 19:44:40 +01:00
..
cmm.c s390/cmm: fix information leak in cmm_timeout_handler() 2019-10-31 17:26:48 +01:00
dump_pagetables.c s390/mm: fix dump_pagetables top level page table walking 2019-08-06 13:58:34 +02:00
extmem.c s390/extmem: use refcount_t for refcount 2019-08-21 12:41:43 +02:00
fault.c s390/mm: add (non)secure page access exceptions handlers 2020-02-27 19:44:40 +01:00
gmap.c hmm related patches for 5.4 2019-09-21 10:07:42 -07:00
hugetlbpage.c s390/mm: fix dynamic pagetable upgrade for hugetlbfs 2020-01-30 13:07:54 +01:00
init.c mm/memory_hotplug: shrink zones when offlining memory 2020-01-04 13:55:08 -08:00
kasan_init.c s390/kasan: add KASAN_VMALLOC support 2019-12-11 19:56:59 +01:00
maccess.c s390: disable preemption when switching to nodat stack with CALL_ON_STACK 2019-11-30 10:52:45 +01:00
Makefile s390/mm: convert to the generic get_user_pages_fast code 2019-04-23 16:30:04 +02:00
mmap.c s390/mm: mmap base does not depend on ADDR_NO_RANDOMIZE personality 2019-06-04 15:03:53 +02:00
page-states.c s390/cmma: reuse kstrtobool for option value parsing 2019-08-26 12:51:18 +02:00
pageattr.c s390/mm: Clear huge page storage keys on enable_skey 2018-07-30 11:20:18 +01:00
pgalloc.c mm: treewide: clarify pgtable_page_{ctor,dtor}() naming 2019-09-26 10:10:44 -07:00
pgtable.c s390/mm: silence compiler warning when compiling without CONFIG_PGSTE 2019-04-10 17:48:28 +02:00
vmem.c s390/kernel: introduce .dma sections 2019-04-29 10:47:10 +02:00