Christian Borntraeger 4f89914742 KVM: s390: take srcu lock when getting/setting storage keys ... The following warning was triggered by missing srcu locks around the storage key handling functions. ============================= WARNING: suspicious RCU usage 4.12.0+ #56 Not tainted ----------------------------- ./include/linux/kvm_host.h:572 suspicious rcu_dereference_check() usage! rcu_scheduler_active = 2, debug_locks = 1 1 lock held by live_migration/4936: #0: (&mm->mmap_sem){++++++}, at: [<0000000000141be0>] kvm_arch_vm_ioctl+0x6b8/0x22d0 CPU: 8 PID: 4936 Comm: live_migration Not tainted 4.12.0+ #56 Hardware name: IBM 2964 NC9 704 (LPAR) Call Trace: ([<000000000011378a>] show_stack+0xea/0xf0) [<000000000055cc4c>] dump_stack+0x94/0xd8 [<000000000012ee70>] gfn_to_memslot+0x1a0/0x1b8 [<0000000000130b76>] gfn_to_hva+0x2e/0x48 [<0000000000141c3c>] kvm_arch_vm_ioctl+0x714/0x22d0 [<000000000013306c>] kvm_vm_ioctl+0x11c/0x7b8 [<000000000037e2c0>] do_vfs_ioctl+0xa8/0x6c8 [<000000000037e984>] SyS_ioctl+0xa4/0xb8 [<00000000008b20a4>] system_call+0xc4/0x27c 1 lock held by live_migration/4936: #0: (&mm->mmap_sem){++++++}, at: [<0000000000141be0>] kvm_arch_vm_ioctl+0x6b8/0x22d0 Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Pierre Morel<pmorel@linux.vnet.ibm.com>		2017-07-25 14:59:52 +02:00
..
Kconfig	KVM: halt_polling: provide a way to qualify wakeups during poll	2016-05-13 17:29:23 +02:00
Makefile	KVM: s390: vsie: initial support for nested virtualization	2016-06-21 09:43:33 +02:00
diag.c	KVM: s390: provide logging for diagnose 0x500	2016-06-10 12:07:26 +02:00
gaccess.c	PPC:	2017-07-06 18:38:31 -07:00
gaccess.h	s390: rename psw_bits enums	2017-06-12 16:26:02 +02:00
guestdbg.c	s390: rename psw_bits enums	2017-06-12 16:26:02 +02:00
intercept.c	KVM: s390: Support keyless subset guest mode	2017-04-21 11:08:11 +02:00
interrupt.c	PPC:	2017-07-06 18:38:31 -07:00
irq.h	KVM: s390: irq routing for adapter interrupts.	2014-03-21 13:43:00 +01:00
kvm-s390.c	KVM: s390: take srcu lock when getting/setting storage keys	2017-07-25 14:59:52 +02:00
kvm-s390.h	KVM: s390: Inject machine check into the guest	2017-06-28 12:42:32 +02:00
priv.c	PPC:	2017-07-06 18:38:31 -07:00
sigp.c	KVM: s390: don't use CPUSTAT_WAIT to detect if a VCPU is idle	2016-06-21 09:43:45 +02:00
sthyi.c	KVM: s390: Handle sthyi also for instruction intercept	2017-03-16 13:04:38 +01:00
trace-s390.h	KVM: s390: introduce adapter interrupt inject function	2017-04-06 13:15:37 +02:00
trace.h	KVM: s390: trace and count all skey intercepts	2016-06-10 12:07:31 +02:00
vsie.c	KVM: s390: Inject machine check into the nested guest	2017-06-28 12:42:33 +02:00