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OGAWA Hirofumi 85722cda30 KVM: Fix kvm mmu_notifier initialization order ... Like the following, mmu_notifier can be called after registering immediately. So, kvm have to initialize kvm->mmu_lock before it. BUG: spinlock bad magic on CPU#0, kswapd0/342 lock: ffff8800af8c4000, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 Pid: 342, comm: kswapd0 Not tainted 2.6.39-rc5+ #1 Call Trace: [<ffffffff8118ce61>] spin_bug+0x9c/0xa3 [<ffffffff8118ce91>] do_raw_spin_lock+0x29/0x13c [<ffffffff81024923>] ? flush_tlb_others_ipi+0xaf/0xfd [<ffffffff812e22f3>] _raw_spin_lock+0x9/0xb [<ffffffffa0582325>] kvm_mmu_notifier_clear_flush_young+0x2c/0x66 [kvm] [<ffffffff810d3ff3>] __mmu_notifier_clear_flush_young+0x2b/0x57 [<ffffffff810c8761>] page_referenced_one+0x88/0xea [<ffffffff810c89bf>] page_referenced+0x1fc/0x256 [<ffffffff810b2771>] shrink_page_list+0x187/0x53a [<ffffffff810b2ed7>] shrink_inactive_list+0x1e0/0x33d [<ffffffff810acf95>] ? determine_dirtyable_memory+0x15/0x27 [<ffffffff812e90ee>] ? call_function_single_interrupt+0xe/0x20 [<ffffffff810b3356>] shrink_zone+0x322/0x3de [<ffffffff810a9587>] ? zone_watermark_ok_safe+0xe2/0xf1 [<ffffffff810b3928>] kswapd+0x516/0x818 [<ffffffff810b3412>] ? shrink_zone+0x3de/0x3de [<ffffffff81053d17>] kthread+0x7d/0x85 [<ffffffff812e9394>] kernel_thread_helper+0x4/0x10 [<ffffffff81053c9a>] ? __init_kthread_worker+0x37/0x37 [<ffffffff812e9390>] ? gs_change+0xb/0xb Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>		2011-05-22 08:48:12 -04:00
..
Kconfig	KVM: Halt vcpu if page it tries to access is swapped out	2011-01-12 11:21:39 +02:00
assigned-dev.c	KVM: Clean up kvm_vm_ioctl_assigned_device	2011-01-12 11:29:24 +02:00
async_pf.c	KVM: fix the race while wakeup all pv guest	2011-01-12 11:29:03 +02:00
async_pf.h	KVM: Halt vcpu if page it tries to access is swapped out	2011-01-12 11:21:39 +02:00
coalesced_mmio.c	KVM: Update Red Hat copyrights	2010-08-01 10:35:51 +03:00
coalesced_mmio.h	KVM: Simplify coalesced mmio initialization	2010-03-01 12:35:41 -03:00
eventfd.c	Merge branch 'kvm-updates/2.6.39' of git://git.kernel.org/pub/scm/virt/kvm/kvm	2011-04-07 11:33:04 -07:00
ioapic.c	KVM: ioapic: Fix an error field reference	2011-05-22 08:39:27 -04:00
ioapic.h	KVM: convert ioapic lock to spinlock	2010-05-13 01:23:55 -03:00
iodev.h	KVM: remove in_range from io devices	2009-09-10 08:33:05 +03:00
iommu.c	KVM: Use u64 for frame data types	2010-08-02 06:39:44 +03:00
irq_comm.c	KVM: fast-path msi injection with irqfd	2011-01-12 11:29:38 +02:00
kvm_main.c	KVM: Fix kvm mmu_notifier initialization order	2011-05-22 08:48:12 -04:00