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Gregory Nutt 2015-01-28 11:58:39 -06:00
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@ -9547,3 +9547,9 @@
there are non-waiting versions of the same interfaces (like
iob_tryalloc()). The TCP read-ahead logic now uses only these non-
waiting interfaces (2015-01-27).
* net/tcp/tcp_send_buffered.c and tcp_wrbuffer.c: Fix another deadlock
condition. tcp_write_buffer_alloc() calls sem_wait() with network
locked. That worked if CONFIG_NET_NOINTS was not defined because
interrupts are automatically restored when the wait happens. But
with CONFIG_NET_NOINTS=y, the wait blocks with the network locked --
bad style and also can lead to a deadlock condition (2015-01-28).