arch/tile: support TIF_NOTIFY_RESUME
This support is required for CONFIG_KEYS, NFSv4 kernel DNS, etc.
The change is slightly more complex than the minimal thing, since
I took advantage of having to go into the assembly code to just
move a bunch of stuff into C code: specifically, the schedule(),
do_async_page_fault(), do_signal(), and single_step_once() support,
in addition to the TIF_NOTIFY_RESUME support.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
diff --git a/arch/tile/include/asm/traps.h b/arch/tile/include/asm/traps.h
index d06e35f..5f20f92 100644
--- a/arch/tile/include/asm/traps.h
+++ b/arch/tile/include/asm/traps.h
@@ -15,10 +15,14 @@
#ifndef _ASM_TILE_TRAPS_H
#define _ASM_TILE_TRAPS_H
+#include <arch/chip.h>
+
/* mm/fault.c */
void do_page_fault(struct pt_regs *, int fault_num,
unsigned long address, unsigned long write);
+#if CHIP_HAS_TILE_DMA() || CHIP_HAS_SN_PROC()
void do_async_page_fault(struct pt_regs *);
+#endif
#ifndef __tilegx__
/*