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linux/arch/s390/kvm
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Michael Mueller cad4b3d4ab KVM: s390: Change virtual to physical address access in diag 0x258 handler 
The parameters for the diag 0x258 are real addresses, not virtual, but
KVM was using them as virtual addresses. This only happened to work, since
the Linux kernel as a guest used to have a 1:1 mapping for physical vs
virtual addresses.

Fix KVM so that it correctly uses the addresses as real addresses.

Cc: stable@vger.kernel.org
Fixes: 8ae04b8f50 ("KVM: s390: Guest's memory access functions get access registers")
Suggested-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Michael Mueller <mimu@linux.ibm.com>
Signed-off-by: Nico Boehr <nrb@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://lore.kernel.org/r/20240917151904.74314-3-nrb@linux.ibm.com
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2024-10-10 15:31:55 +02:00
..
diag.c KVM: s390: Change virtual to physical address access in diag 0x258 handler 2024-10-10 15:31:55 +02:00
gaccess.c KVM: s390: gaccess: Check if guest address is in memslot 2024-10-10 15:31:55 +02:00
gaccess.h KVM: s390: gaccess: Check if guest address is in memslot 2024-10-10 15:31:55 +02:00
guestdbg.c KVM: s390: Harden copying of userspace-array against overflow 2023-12-01 08:00:42 -08:00
intercept.c - PV crypto passthrough enablement (Tony, Steffen, Viktor, Janosch) 2023-08-31 13:21:27 -04:00
interrupt.c S390: 2024-03-15 13:03:13 -07:00
Kconfig treewide: remove CONFIG_HAVE_KVM 2024-02-08 08:45:36 -05:00
kvm-s390.c KVM: s390: Fix SORTL and DFLTCC instruction format error in __insn32_query 2024-08-19 07:51:14 +00:00
kvm-s390.h KVM: s390: fix validity interception issue when gisa is switched off 2024-08-06 06:33:18 +00:00
Makefile KVM: s390: pci: add basic kvm_zdev structure 2022-07-11 09:54:27 +02:00
pci.c s390: fix various typos 2023-07-03 11:19:42 +02:00
pci.h KVM: s390: Mark __kvm_s390_init() and its descendants as __init 2022-12-29 15:41:22 -05:00
priv.c KVM: s390: fix LPSWEY handling 2024-07-01 14:31:15 +02:00
pv.c - PV crypto passthrough enablement (Tony, Steffen, Viktor, Janosch) 2023-08-31 13:21:27 -04:00
sigp.c KVM: s390: Refactor kvm_is_error_gpa() into kvm_is_gpa_in_memslot() 2024-02-20 07:37:45 -08:00
trace-s390.h KVM: s390: add tracepoint in gmap notifier 2023-10-16 14:54:29 +02:00
trace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vsie.c ARM: 2024-07-20 12:41:03 -07:00