diff options
Diffstat (limited to 'arch/powerpc/mm/fault.c')
| -rw-r--r-- | arch/powerpc/mm/fault.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 5efe8c96d37f..2f0d1b032a89 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -44,6 +44,8 @@ #include <asm/siginfo.h> #include <mm/mmu_decl.h> +#include "icswx.h" + #ifdef CONFIG_KPROBES static inline int notify_page_fault(struct pt_regs *regs) { @@ -143,6 +145,21 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address, is_write = error_code & ESR_DST; #endif /* CONFIG_4xx || CONFIG_BOOKE */ +#ifdef CONFIG_PPC_ICSWX + /* + * we need to do this early because this "data storage + * interrupt" does not update the DAR/DEAR so we don't want to + * look at it + */ + if (error_code & ICSWX_DSI_UCT) { + int ret; + + ret = acop_handle_fault(regs, address, error_code); + if (ret) + return ret; + } +#endif + if (notify_page_fault(regs)) return 0; |