[PATCH RT 2/7] acpi/rt: Convert acpi_gbl_hardware lock back to a raw_spinlock_t

From: Steven Rostedt We hit the following bug with 3.6-rt: [5.898990] BUG: scheduling while atomic: swapper/3/0/0x0002 [5.898991] no locks held by swapper/3/0. [5.898993] Modules linked in: [5.898996] Pid: 0, comm: swapper/3 Not tainted 3.6.11-rt28.19.el6rt.x86_64.debug #1 [

[PATCH RT 2/7] acpi/rt: Convert acpi_gbl_hardware lock back to a raw_spinlock_t

From: Steven Rostedt We hit the following bug with 3.6-rt: [5.898990] BUG: scheduling while atomic: swapper/3/0/0x0002 [5.898991] no locks held by swapper/3/0. [5.898993] Modules linked in: [5.898996] Pid: 0, comm: swapper/3 Not tainted 3.6.11-rt28.19.el6rt.x86_64.debug #1 [