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authorCatalin Marinas <catalin.marinas@arm.com>2011-11-22 17:30:31 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2011-12-08 10:30:40 +0000
commitf7b8156d150f7383b42622a9219b230b36435b4a (patch)
treec06e0ed558f7a9e106920a9f3acbb6bed15017bf /arch/arm/kernel
parentc9f27f1026f55b543df260ad8ab84a7bdab7792f (diff)
downloadblackbird-op-linux-f7b8156d150f7383b42622a9219b230b36435b4a.tar.gz
blackbird-op-linux-f7b8156d150f7383b42622a9219b230b36435b4a.zip
ARM: LPAE: Add fault handling support
The DFSR and IFSR register format is different when LPAE is enabled. In addition, DFSR and IFSR have similar definitions for the fault type. This modifies the fault code to correctly handle the new format. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/hw_breakpoint.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 814a52a9dc39..d6a95ef9131d 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -1016,10 +1016,10 @@ static int __init arch_hw_breakpoint_init(void)
}
/* Register debug fault handler. */
- hook_fault_code(2, hw_breakpoint_pending, SIGTRAP, TRAP_HWBKPT,
- "watchpoint debug exception");
- hook_ifault_code(2, hw_breakpoint_pending, SIGTRAP, TRAP_HWBKPT,
- "breakpoint debug exception");
+ hook_fault_code(FAULT_CODE_DEBUG, hw_breakpoint_pending, SIGTRAP,
+ TRAP_HWBKPT, "watchpoint debug exception");
+ hook_ifault_code(FAULT_CODE_DEBUG, hw_breakpoint_pending, SIGTRAP,
+ TRAP_HWBKPT, "breakpoint debug exception");
/* Register hotplug notifier. */
register_cpu_notifier(&dbg_reset_nb);
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