xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

MIPS: ftrace: Add support for syscall tracepoints.

Browse Source 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2013-09-06 20:24:48 +02:00
parent 0dfa95aaa8
commit 1d7bf993e0
5 changed files with 43 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
arch/mips/include/asm/thread_info.h
View File

@@ -116,6 +116,7 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_32BIT_ADDR 23 /* 32-bit address space (o32/n32) */
#define TIF_FPUBOUND 24 /* thread bound to FPU-full CPU set */
#define TIF_LOAD_WATCH 25 /* If set, load watch registers */
#define TIF_SYSCALL_TRACEPOINT 26 /* syscall tracepoint instrumentation */
#define TIF_SYSCALL_TRACE 31 /* syscall trace active */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
@@ -132,20 +133,22 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_32BIT_ADDR (1<<TIF_32BIT_ADDR)
#define _TIF_FPUBOUND (1<<TIF_FPUBOUND)
#define _TIF_LOAD_WATCH (1<<TIF_LOAD_WATCH)
#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
#define _TIF_WORK_SYSCALL_ENTRY (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \
_TIF_SYSCALL_AUDIT)
_TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT)
/* work to do in syscall_trace_leave() */
#define _TIF_WORK_SYSCALL_EXIT (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \
_TIF_SYSCALL_AUDIT)
_TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT)
/* work to do on interrupt/exception return */
#define _TIF_WORK_MASK \
(_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_NOTIFY_RESUME)
/* work to do on any return to u-space */
#define _TIF_ALLWORK_MASK (_TIF_NOHZ | _TIF_WORK_MASK | \
_TIF_WORK_SYSCALL_EXIT)
_TIF_WORK_SYSCALL_EXIT | \
_TIF_SYSCALL_TRACEPOINT)
/*
* We stash processor id into a COP0 register to retrieve it fast