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| author | Roland McGrath <roland@redhat.com> | 2008-04-21 00:06:49 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-28 02:32:19 +0200 |
| commit | e35a8925e0e7af8b26161a2c161ea31be0296b80 (patch) | |
| tree | 708008d1494a91f76277f9140a219ac24e88e432 /arch/sparc | |
| parent | sparc: Add asm/syscall.h (diff) | |
| download | linux-e35a8925e0e7af8b26161a2c161ea31be0296b80.tar.xz linux-e35a8925e0e7af8b26161a2c161ea31be0296b80.zip | |
sparc64: tracehook: TIF_NOTIFY_RESUME
This adds TIF_NOTIFY_RESUME support for sparc64.
When set, we call tracehook_notify_resume() on the way to user mode.
Signed-off-by: Roland McGrath <roland@redhat.com>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/include/asm/thread_info_64.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index 960969d5ad06..c0a737d7292c 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -219,7 +219,7 @@ register struct thread_info *current_thread_info_reg asm("g6"); * nop */ #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ -/* flags bit 1 is available */ +#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_PERFCTR 4 /* performance counters active */ @@ -239,6 +239,7 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define TIF_POLLING_NRFLAG 14 #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) +#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_PERFCTR (1<<TIF_PERFCTR) @@ -250,8 +251,9 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \ - (_TIF_SIGPENDING | \ - _TIF_NEED_RESCHED | _TIF_PERFCTR)) + _TIF_DO_NOTIFY_RESUME_MASK | \ + _TIF_NEED_RESCHED | _TIF_PERFCTR) +#define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING) /* * Thread-synchronous status. |