linux/arch/s390
Christian Borntraeger 3ae11dbcfa s390/mm: use non-quiescing sske for KVM switch to keyed guest
The switch to a keyed guest does not require a classic sske as the other
guest CPUs are not accessing the key before the switch is complete.
By using the NQ SSKE things are faster especially with multiple guests.

Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Suggested-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Link: https://lore.kernel.org/r/20220530092706.11637-3-borntraeger@linux.ibm.com
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2022-06-01 12:03:16 +02:00
..
appldata s390/appldata: use struct_size() helper 2020-06-29 16:32:34 +02:00
boot s390/head: get rid of 31 bit leftovers 2022-05-18 13:31:07 +02:00
configs s390: enable CONFIG_HARDENED_USERCOPY in debug_defconfig 2022-04-12 11:56:08 +02:00
crypto s390/crypto: fix scatterwalk_unmap() callers in AES-GCM 2022-05-25 11:46:02 +02:00
hypfs s390/hypfs: fix typos in comments 2022-05-06 20:45:13 +02:00
include s390/kexec: add __GFP_NORETRY to KEXEC_CONTROL_MEMORY_GFP 2022-06-01 12:03:16 +02:00
kernel s390/perf: obtain sie_block from the right address 2022-05-25 11:46:02 +02:00
kvm s390/ptrace: move short psw definitions to ptrace header file 2022-05-06 20:45:15 +02:00
lib s390/alternatives: provide identical sized orginal/alternative sequences 2022-05-17 15:16:28 +02:00
mm s390/mm: use non-quiescing sske for KVM switch to keyed guest 2022-06-01 12:03:16 +02:00
net s390: raise minimum supported machine generation to z10 2022-03-10 15:58:17 +01:00
pci s390/pci: add error record for CC 2 retries 2022-04-25 13:54:15 +02:00
purgatory s390/purgatory: workaround llvm's IAS limitations 2022-05-17 15:16:28 +02:00
tools s390: raise minimum supported machine generation to z10 2022-03-10 15:58:17 +01:00
Kbuild kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00
Kconfig s390/Kconfig: fix indentation 2022-06-01 12:03:15 +02:00
Kconfig.debug s390/Kconfig.debug: fix indentation 2022-06-01 12:03:15 +02:00
Makefile s390/boot: do not emit debug info for assembly with llvm's IAS 2022-05-17 15:16:29 +02:00