Files
linux/arch/sparc
David S. Miller a6c4c1c505 sparc64: Make prom entry spinlock NMI safe.
[ Upstream commit 8a4fd1e492 ]

If we do something like try to print to the OF console from an NMI
while we're already in OpenFirmware, we'll deadlock on the spinlock.

Use a raw spinlock and disable NMIs when we take it.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-04-01 15:58:16 -07:00
..
2009-09-16 00:31:26 -07:00
2009-12-18 14:05:15 -08:00