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authorPaolo Bonzini <pbonzini@redhat.com>2016-08-31 16:56:04 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2016-09-27 11:57:30 +0200
commitab129972c8b41e15b0521895a46fd9c752b68a5e (patch)
tree2333219f1b6366ad23aa0b1e3ffa9c9ee2d5c0fe /net
parent0e55539c076a61b0b10a1aea1158fc20fb159d99 (diff)
cpus-common: move exclusive work infrastructure from linux-user
This will serve as the base for async_safe_run_on_cpu. Because start_exclusive uses CPU_FOREACH, merge exclusive_lock with qemu_cpu_list_lock: together with a call to exclusive_idle (via cpu_exec_start/end) in cpu_list_add, this protects exclusive work against concurrent CPU addition and removal. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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