tracing: Rename FTRACE_SYSCALLS for tracepoints

s/HAVE_FTRACE_SYSCALLS/HAVE_SYSCALL_TRACEPOINTS/g
s/TIF_SYSCALL_FTRACE/TIF_SYSCALL_TRACEPOINT/g

The syscall enter/exit tracing is no longer specific to just ftrace, so
they now have names that reflect their tie to tracepoints instead.

Signed-off-by: Josh Stone <jistone@redhat.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Jiaying Zhang <jiayingz@google.com>
Cc: Martin Bligh <mbligh@google.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
LKML-Reference: <1251150194-1713-2-git-send-email-jistone@redhat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 2ae5d72..7238ef4 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -84,7 +84,7 @@ config S390
        select HAVE_FUNCTION_TRACER
        select HAVE_FUNCTION_TRACE_MCOUNT_TEST
        select HAVE_FTRACE_MCOUNT_RECORD
-       select HAVE_FTRACE_SYSCALLS
+       select HAVE_SYSCALL_TRACEPOINTS
        select HAVE_DYNAMIC_FTRACE
        select HAVE_FUNCTION_GRAPH_TRACER
        select HAVE_DEFAULT_NO_SPIN_MUTEXES

diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index fcba206..4e91a25 100644 (file)
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -900,7 +900,7 @@ CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
 CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
 CONFIG_HAVE_DYNAMIC_FTRACE=y
 CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
-CONFIG_HAVE_FTRACE_SYSCALLS=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
 CONFIG_TRACING_SUPPORT=y
 CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set

diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index ba1cab9..07eb61b 100644 (file)
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -92,7 +92,7 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_SYSCALL_TRACE      8       /* syscall trace active */
 #define TIF_SYSCALL_AUDIT      9       /* syscall auditing active */
 #define TIF_SECCOMP            10      /* secure computing */
-#define TIF_SYSCALL_FTRACE     11      /* ftrace syscall instrumentation */
+#define TIF_SYSCALL_TRACEPOINT 11      /* syscall tracepoint instrumentation */
 #define TIF_USEDFPU            16      /* FPU was used by this task this quantum (SMP) */
 #define TIF_POLLING_NRFLAG     17      /* true if poll_idle() is polling 
                                           TIF_NEED_RESCHED */
@@ -111,7 +111,7 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_SYSCALL_TRACE     (1<<TIF_SYSCALL_TRACE)
 #define _TIF_SYSCALL_AUDIT     (1<<TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP           (1<<TIF_SECCOMP)
-#define _TIF_SYSCALL_FTRACE    (1<<TIF_SYSCALL_FTRACE)
+#define _TIF_SYSCALL_TRACEPOINT        (1<<TIF_SYSCALL_TRACEPOINT)
 #define _TIF_USEDFPU           (1<<TIF_USEDFPU)
 #define _TIF_POLLING_NRFLAG    (1<<TIF_POLLING_NRFLAG)
 #define _TIF_31BIT             (1<<TIF_31BIT)

diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index c4c80a2..5d40fce 100644 (file)
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -54,7 +54,7 @@ _TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
 _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
                 _TIF_MCCK_PENDING)
 _TIF_SYSCALL = (_TIF_SYSCALL_TRACE>>8 | _TIF_SYSCALL_AUDIT>>8 | \
-               _TIF_SECCOMP>>8 | _TIF_SYSCALL_FTRACE>>8)
+               _TIF_SECCOMP>>8 | _TIF_SYSCALL_TRACEPOINT>>8)
 
 STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER
 STACK_SIZE  = 1 << STACK_SHIFT

diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index f6618e9..3ceb53c 100644 (file)
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -57,7 +57,7 @@ _TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
 _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
                 _TIF_MCCK_PENDING)
 _TIF_SYSCALL = (_TIF_SYSCALL_TRACE>>8 | _TIF_SYSCALL_AUDIT>>8 | \
-               _TIF_SECCOMP>>8 | _TIF_SYSCALL_FTRACE>>8)
+               _TIF_SECCOMP>>8 | _TIF_SYSCALL_TRACEPOINT>>8)
 
 #define BASED(name) name-system_call(%r13)
 

diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index c5e87d8..9d3dcfa 100644 (file)
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -664,7 +664,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
                ret = -1;
        }
 
-       if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
+       if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
                trace_syscall_enter(regs, regs->gprs[2]);
 
        if (unlikely(current->audit_context))
@@ -682,7 +682,7 @@ asmlinkage void do_syscall_trace_exit(struct pt_regs *regs)
                audit_syscall_exit(AUDITSC_RESULT(regs->gprs[2]),
                                   regs->gprs[2]);
 
-       if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
+       if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
                trace_syscall_exit(regs, regs->gprs[2]);
 
        if (test_thread_flag(TIF_SYSCALL_TRACE))

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 738bdc6..d59cbf7 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -37,7 +37,7 @@ config X86
        select HAVE_FUNCTION_GRAPH_FP_TEST
        select HAVE_FUNCTION_TRACE_MCOUNT_TEST
        select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
-       select HAVE_FTRACE_SYSCALLS
+       select HAVE_SYSCALL_TRACEPOINTS
        select HAVE_KVM
        select HAVE_ARCH_KGDB
        select HAVE_ARCH_TRACEHOOK

diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index edb992e..d28fad1 100644 (file)
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -2355,7 +2355,7 @@ CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
 CONFIG_HAVE_DYNAMIC_FTRACE=y
 CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
 CONFIG_HAVE_HW_BRANCH_TRACER=y
-CONFIG_HAVE_FTRACE_SYSCALLS=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
 CONFIG_RING_BUFFER=y
 CONFIG_TRACING=y
 CONFIG_TRACING_SUPPORT=y

diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index cee1dd2..6c86acd 100644 (file)
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -2329,7 +2329,7 @@ CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
 CONFIG_HAVE_DYNAMIC_FTRACE=y
 CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
 CONFIG_HAVE_HW_BRANCH_TRACER=y
-CONFIG_HAVE_FTRACE_SYSCALLS=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
 CONFIG_RING_BUFFER=y
 CONFIG_TRACING=y
 CONFIG_TRACING_SUPPORT=y

diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index fad7d40..6f7786a 100644 (file)
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -95,7 +95,7 @@ struct thread_info {
 #define TIF_DEBUGCTLMSR                25      /* uses thread_struct.debugctlmsr */
 #define TIF_DS_AREA_MSR                26      /* uses thread_struct.ds_area_msr */
 #define TIF_LAZY_MMU_UPDATES   27      /* task is updating the mmu lazily */
-#define TIF_SYSCALL_FTRACE     28      /* for ftrace syscall instrumentation */
+#define TIF_SYSCALL_TRACEPOINT 28      /* syscall tracepoint instrumentation */
 
 #define _TIF_SYSCALL_TRACE     (1 << TIF_SYSCALL_TRACE)
 #define _TIF_NOTIFY_RESUME     (1 << TIF_NOTIFY_RESUME)
@@ -118,17 +118,17 @@ struct thread_info {
 #define _TIF_DEBUGCTLMSR       (1 << TIF_DEBUGCTLMSR)
 #define _TIF_DS_AREA_MSR       (1 << TIF_DS_AREA_MSR)
 #define _TIF_LAZY_MMU_UPDATES  (1 << TIF_LAZY_MMU_UPDATES)
-#define _TIF_SYSCALL_FTRACE    (1 << TIF_SYSCALL_FTRACE)
+#define _TIF_SYSCALL_TRACEPOINT        (1 << TIF_SYSCALL_TRACEPOINT)
 
 /* work to do in syscall_trace_enter() */
 #define _TIF_WORK_SYSCALL_ENTRY        \
-       (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | _TIF_SYSCALL_FTRACE |  \
-        _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | _TIF_SINGLESTEP)
+       (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | _TIF_SYSCALL_AUDIT |   \
+        _TIF_SECCOMP | _TIF_SINGLESTEP | _TIF_SYSCALL_TRACEPOINT)
 
 /* work to do in syscall_trace_leave() */
 #define _TIF_WORK_SYSCALL_EXIT \
        (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP |    \
-        _TIF_SYSCALL_FTRACE)
+        _TIF_SYSCALL_TRACEPOINT)
 
 /* work to do on interrupt/exception return */
 #define _TIF_WORK_MASK                                                 \
@@ -137,7 +137,8 @@ struct thread_info {
           _TIF_SINGLESTEP|_TIF_SECCOMP|_TIF_SYSCALL_EMU))
 
 /* work to do on any return to user space */
-#define _TIF_ALLWORK_MASK ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_FTRACE)
+#define _TIF_ALLWORK_MASK                                              \
+       ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_TRACEPOINT)
 
 /* Only used for 64 bit */
 #define _TIF_DO_NOTIFY_MASK                                            \

diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 34dd6f1..a909afe 100644 (file)
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1500,7 +1500,7 @@ asmregparm long syscall_trace_enter(struct pt_regs *regs)
            tracehook_report_syscall_entry(regs))
                ret = -1L;
 
-       if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
+       if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
                trace_syscall_enter(regs, regs->orig_ax);
 
        if (unlikely(current->audit_context)) {
@@ -1526,7 +1526,7 @@ asmregparm void syscall_trace_leave(struct pt_regs *regs)
        if (unlikely(current->audit_context))
                audit_syscall_exit(AUDITSC_RESULT(regs->ax), regs->ax);
 
-       if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
+       if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
                trace_syscall_exit(regs, regs->ax);
 
        if (test_thread_flag(TIF_SYSCALL_TRACE))

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 019f380..06be85a 100644 (file)
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -41,7 +41,7 @@ config HAVE_FTRACE_MCOUNT_RECORD
 config HAVE_HW_BRANCH_TRACER
        bool
 
-config HAVE_FTRACE_SYSCALLS
+config HAVE_SYSCALL_TRACEPOINTS
        bool
 
 config TRACER_MAX_TRACE
@@ -211,7 +211,7 @@ config ENABLE_DEFAULT_TRACERS
 
 config FTRACE_SYSCALLS
        bool "Trace syscalls"
-       depends on HAVE_FTRACE_SYSCALLS
+       depends on HAVE_SYSCALL_TRACEPOINTS
        select GENERIC_TRACER
        select KALLSYMS
        help

diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 06f165a..be86b9a 100644 (file)
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -590,7 +590,7 @@ void syscall_regfunc(void)
        if (!sys_tracepoint_refcount) {
                read_lock_irqsave(&tasklist_lock, flags);
                do_each_thread(g, t) {
-                       set_tsk_thread_flag(t, TIF_SYSCALL_FTRACE);
+                       set_tsk_thread_flag(t, TIF_SYSCALL_TRACEPOINT);
                } while_each_thread(g, t);
                read_unlock_irqrestore(&tasklist_lock, flags);
        }
@@ -608,7 +608,7 @@ void syscall_unregfunc(void)
        if (!sys_tracepoint_refcount) {
                read_lock_irqsave(&tasklist_lock, flags);
                do_each_thread(g, t) {
-                       clear_tsk_thread_flag(t, TIF_SYSCALL_FTRACE);
+                       clear_tsk_thread_flag(t, TIF_SYSCALL_TRACEPOINT);
                } while_each_thread(g, t);
                read_unlock_irqrestore(&tasklist_lock, flags);
        }