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Marcelo Tosatti 84261923d3 KVM: protect concurrent make_all_cpus_request ... make_all_cpus_request contains a race condition which can trigger false request completed status, as follows: CPU0 CPU1 if (test_and_set_bit(req,&vcpu->requests)) .... if (test_and_set_bit(req,&vcpu->requests)) .. return proceed to smp_call_function_many(wait=1) Use a spinlock to serialize concurrent CPUs. Cc: stable@kernel.org Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>		16 years ago
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coalesced_mmio.c	…
coalesced_mmio.h	…
ioapic.c	…
ioapic.h	…
iodev.h	…
iommu.c	…
irq_comm.c	…
kvm_main.c	KVM: protect concurrent make_all_cpus_request	16 years ago
kvm_trace.c	…