linux/arch/s390
Claudio Imbrenda 1e2aa46de5 KVM: s390: pv: avoid stalls for kvm_s390_pv_init_vm
When the system is heavily overcommitted, kvm_s390_pv_init_vm might
generate stall notifications.

Fix this by using uv_call_sched instead of just uv_call. This is ok because
we are not holding spinlocks.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Fixes: 214d9bbcd3 ("s390/mm: provide memory management functions for protected KVM guests")
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Message-Id: <20210920132502.36111-4-imbrenda@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2021-10-25 09:20:39 +02:00
..
appldata s390/appldata: use struct_size() helper 2020-06-29 16:32:34 +02:00
boot Kbuild updates for v5.15 2021-09-03 15:33:47 -07:00
configs s390: update defconfigs 2021-09-15 14:29:21 +02:00
crypto s390/archrandom: add parameter check for s390_arch_random_generate 2021-04-21 12:32:12 +02:00
hypfs s390: rename dma section to amode31 2021-08-05 14:10:53 +02:00
include KVM: s390: pv: add macros for UVC CC values 2021-10-25 09:20:38 +02:00
kernel s390/uv: fully validate the VMA before calling follow_page() 2021-10-25 09:20:38 +02:00
kvm KVM: s390: pv: avoid stalls for kvm_s390_pv_init_vm 2021-10-25 09:20:39 +02:00
lib arch: remove compat_alloc_user_space 2021-09-08 15:32:35 -07:00
mm s390/mm: optimize reset_guest_reference_bit() 2021-10-25 09:20:38 +02:00
net bpf: Introduce BPF nospec instruction for mitigating Spectre v4 2021-07-29 00:20:56 +02:00
pci s390/pci_mmio: fully validate the VMA before calling follow_pte() 2021-09-15 14:29:21 +02:00
purgatory s390: enable KCSAN 2021-07-30 17:09:23 +02:00
tools s390/disassembler: add instructions 2021-07-27 09:39:19 +02:00
Kbuild s390/numa: move code to arch/s390/kernel 2020-08-11 18:16:55 +02:00
Kconfig s390: remove WARN_DYNAMIC_STACK 2021-09-15 14:29:21 +02:00
Kconfig.debug tracing: Refactor TRACE_IRQFLAGS_SUPPORT in Kconfig 2021-08-16 11:37:21 -04:00
Makefile s390: remove WARN_DYNAMIC_STACK 2021-09-15 14:29:21 +02:00