On 06/17/2009 04:53 PM, Marcelo Tosatti wrote:
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.
Applied, thanks.
--
error compiling committee.c: too many arguments to function
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