From f0d1128fcb919a73941a54f80efab04fa3160dfe Mon Sep 17 00:00:00 2001 From: Tiejun Chen Date: Sun, 16 Sep 2012 23:54:29 +0000 Subject: powerpc/kprobe: Introduce a new thread flag We need to add a new thread flag, TIF_EMULATE_STACK_STORE, for emulating stack store operation while exiting exception. Signed-off-by: Tiejun Chen Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/thread_info.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/powerpc/include/asm/thread_info.h') diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index e942203cd4a8..8ceea14d6fe4 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -104,6 +104,8 @@ static inline struct thread_info *current_thread_info(void) #define TIF_NOTIFY_RESUME 13 /* callback before returning to user */ #define TIF_UPROBE 14 /* breakpointed or single-stepping */ #define TIF_SYSCALL_TRACEPOINT 15 /* syscall tracepoint instrumentation */ +#define TIF_EMULATE_STACK_STORE 16 /* Is an instruction emulation + for stack store? */ /* as above, but as bit values */ #define _TIF_SYSCALL_TRACE (1<