Prevents crashes when IRQs arrive when the current kernel stack context already contains deeply nested function calls, e.g. when stacking lots of network devices on top of each other Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Based on 4.4-rc3. Runtime tested on MIPS. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 47701