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| author | Simon Marchi <simon.marchi@polymtl.ca> | 2013-01-21 19:54:57 -0500 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2013-03-22 15:46:18 -0400 |
| commit | ef567f25d5d9d803b89bc2aec6bb71fe8b4bebd9 (patch) | |
| tree | e17d273b2a98d2cdd94eef15eb4cf41c376248b3 /arch/tile/include/asm/thread_info.h | |
| parent | 6e4a2f7f94cbac4e1f111f604ccf57dcbdef0a81 (diff) | |
| download | lwn-ef567f25d5d9d803b89bc2aec6bb71fe8b4bebd9.tar.gz lwn-ef567f25d5d9d803b89bc2aec6bb71fe8b4bebd9.zip | |
tile: support TIF_SYSCALL_TRACEPOINT; select HAVE_SYSCALL_TRACEPOINTS
This patch adds support for the TIF_SYSCALL_TRACEPOINT on the tile
architecture. Basically, it calls the appropriate tracepoints on syscall
entry and exit.
Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile/include/asm/thread_info.h')
| -rw-r--r-- | arch/tile/include/asm/thread_info.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h index e9c670d7a7fe..c96331eb5771 100644 --- a/arch/tile/include/asm/thread_info.h +++ b/arch/tile/include/asm/thread_info.h @@ -124,6 +124,7 @@ extern void _cpu_idle(void); #define TIF_SECCOMP 6 /* secure computing */ #define TIF_MEMDIE 7 /* OOM killer at work */ #define TIF_NOTIFY_RESUME 8 /* callback before returning to user */ +#define TIF_SYSCALL_TRACEPOINT 9 /* syscall tracepoint instrumentation */ #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) @@ -134,12 +135,19 @@ extern void _cpu_idle(void); #define _TIF_SECCOMP (1<<TIF_SECCOMP) #define _TIF_MEMDIE (1<<TIF_MEMDIE) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) +#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) /* Work to do on any return to user space. */ #define _TIF_ALLWORK_MASK \ (_TIF_SIGPENDING|_TIF_NEED_RESCHED|_TIF_SINGLESTEP|\ _TIF_ASYNC_TLB|_TIF_NOTIFY_RESUME) +/* Work to do at syscall entry. */ +#define _TIF_SYSCALL_ENTRY_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_TRACEPOINT) + +/* Work to do at syscall exit. */ +#define _TIF_SYSCALL_EXIT_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_TRACEPOINT) + /* * Thread-synchronous status. * |