kvm: async_pf: fix rcu_irq_enter() with irqs enabled

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commit bbaf0e2b1c upstream.

native_safe_halt enables interrupts, and you just shouldn't
call rcu_irq_enter() with interrupts enabled.  Reorder the
call with the following local_irq_disable() to respect the
invariant.

Reported-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Tested-by: Wanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Paolo Bonzini 2017-04-26 16:56:26 +02:00 • committed by Greg Kroah-Hartman

parent 4809f0e56d

commit 78f87ce2a1

1 changed files with 1 additions and 1 deletions

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arch/x86/kernel/kvm.c

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