Helge Deller d96b51ec14 parisc: fix irq stack on UP and SMP ... The logic to detect if the irq stack was already in use with raw_spin_trylock() is wrong, because it will generate a "trylock failure on UP" error message with CONFIG_SMP=n and CONFIG_DEBUG_SPINLOCK=y. arch_spin_trylock() can't be used either since in the CONFIG_SMP=n case no atomic protection is given and we are reentrant here. A mutex didn't worked either and brings more overhead by turning off interrupts. So, let's use the fastest path for parisc which is the ldcw instruction. Counting how often the irq stack was used is pretty useless, so just drop this piece of code. Signed-off-by: Helge Deller <deller@gmx.de>		2013-05-24 23:29:01 +02:00
..
asm	parisc: fix irq stack on UP and SMP	2013-05-24 23:29:01 +02:00
uapi/asm	net: add option to enable error queue packets waking select	2013-03-31 19:44:20 -04:00