linux-stable/arch/openrisc/kernel
Stafford Horne 78cdfb5cf1 openrisc: enable LOCKDEP_SUPPORT and irqflags tracing
Lockdep is needed for proving the spinlocks and rwlocks work fine on our
platform.  It also requires calling the trace_hardirqs_off() and
trace_hardirqs_on() pair of routines when entering and exiting an
interrupt.

For OpenRISC the interrupt stack frame does not support frame pointers,
so to call trace_hardirqs_on() and trace_hardirqs_off() here the macro's
build up a stack frame each time.

There is one necessary small change in _sys_call_handler to move
interrupt enabling later so they can get re-enabled during syscall
restart. This was done to fix lockdep warnings that are now possible due
to this
patch.

Signed-off-by: Stafford Horne <shorne@gmail.com>
2017-11-03 14:01:16 +09:00
..
.gitignore openrisc: Add .gitignore 2017-02-25 04:14:36 +09:00
asm-offsets.c openrisc: use kbuild.h instead of defining macros in asm-offset.c 2012-10-25 15:54:33 +02:00
dma.c openrisc: initial SMP support 2017-11-03 14:01:13 +09:00
entry.S openrisc: enable LOCKDEP_SUPPORT and irqflags tracing 2017-11-03 14:01:16 +09:00
head.S openrisc: sleep instead of spin on secondary wait 2017-11-03 14:01:14 +09:00
irq.c openrisc: Get rid of handle_IRQ 2014-09-03 13:11:02 +00:00
Makefile openrisc: support framepointers and STACKTRACE_SUPPORT 2017-11-03 14:01:15 +09:00
module.c openrisc: Refactor 16-bit constant relocation 2013-11-05 16:27:55 +01:00
or32_ksyms.c openrisc: Switch to use export.h instead of module.h 2017-05-15 22:02:33 +09:00
process.c OpenRISC fixes for 4.13 2017-07-07 13:58:49 -07:00
prom.c openrisc: remove unnecessary prom.c includes 2013-10-09 11:39:01 -05:00
ptrace.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h> 2017-03-02 08:42:36 +01:00
setup.c openrisc: initial SMP support 2017-11-03 14:01:13 +09:00
signal.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
smp.c openrisc: add cacheflush support to fix icache aliasing 2017-11-03 14:01:15 +09:00
stacktrace.c openrisc: support framepointers and STACKTRACE_SUPPORT 2017-11-03 14:01:15 +09:00
sys_call_table.c
time.c openrisc: initial SMP support 2017-11-03 14:01:13 +09:00
traps.c openrisc: support framepointers and STACKTRACE_SUPPORT 2017-11-03 14:01:15 +09:00
unwinder.c openrisc: support framepointers and STACKTRACE_SUPPORT 2017-11-03 14:01:15 +09:00
vmlinux.h of/fdt: consolidate built-in dtb section variables 2014-04-30 00:59:13 -05:00
vmlinux.lds.S scripts/spelling.txt: add "aligment" pattern and fix typo instances 2017-02-27 18:43:46 -08:00