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Gregory Nutt 2015-01-27 21:30:44 -06:00
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@ -9535,3 +9535,15 @@
* arch/arm/src/stm32/stm32_rtcc.c and Kconfig: Recent changes to * arch/arm/src/stm32/stm32_rtcc.c and Kconfig: Recent changes to
stm32_rtcc.c do not compile with STM32L15XX configurations. From stm32_rtcc.c do not compile with STM32L15XX configurations. From
Jussi Kivilinna (2015-01-27). Jussi Kivilinna (2015-01-27).
* net/iob, net/tcp/tcp_callback.c, and include/nuttx/net/iob.h: There
were issues with the TCP write-ahead buffering if CONFIG_NET_NOINTS was
enabled: There is a possibility of deadlocks in certain timing conditions.
I have not seen this with the Tiva driver that I have been users but
other people claim to see the issue on other platforms. Certainly it
is a logic error: The network should never wait for TCP read-ahead
buffering space to be available. It should drop the packets
immediately. This was fixed by duplicating most of the IOB interfaces:
The versions that waited are still present (like iob_alloc()), but now
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).