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authorJason Baron <jbaron@redhat.com>2009-08-24 17:40:22 -0400
committerFrederic Weisbecker <fweisbec@gmail.com>2009-08-26 21:30:02 +0200
commit57421dbbdc932d65f0e6a41ebb027a2bfe3d0669 (patch)
tree0dec1f947cc6d3e9d5fe813c31cbaa960c9ed7b6 /arch
parenta5a2f8e2acb991327952c45a13f5441fc09dffd6 (diff)
tracing: Convert event tracing code to use NR_syscalls
Convert the syscalls event tracing code to use NR_syscalls, instead of FTRACE_SYSCALL_MAX. NR_syscalls is standard accross most arches, and reduces code confusion/complexity. Signed-off-by: Jason Baron <jbaron@redhat.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Lai Jiangshan <laijs@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: Li Zefan <lizf@cn.fujitsu.com> Cc: Josh Stone <jistone@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: H. Peter Anwin <hpa@zytor.com> Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> LKML-Reference: <9b4f1a84ecae57cc6599412772efa36f0d2b815b.1251146513.git.jbaron@redhat.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/ftrace.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 3cff1214e17..9dbb527e165 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -494,7 +494,7 @@ static struct syscall_metadata *find_syscall_meta(unsigned long *syscall)
struct syscall_metadata *syscall_nr_to_meta(int nr)
{
- if (!syscalls_metadata || nr >= FTRACE_SYSCALL_MAX || nr < 0)
+ if (!syscalls_metadata || nr >= NR_syscalls || nr < 0)
return NULL;
return syscalls_metadata[nr];
@@ -507,7 +507,7 @@ int syscall_name_to_nr(char *name)
if (!syscalls_metadata)
return -1;
- for (i = 0; i < FTRACE_SYSCALL_MAX; i++) {
+ for (i = 0; i < NR_syscalls; i++) {
if (syscalls_metadata[i]) {
if (!strcmp(syscalls_metadata[i]->name, name))
return i;
@@ -533,13 +533,13 @@ static int __init arch_init_ftrace_syscalls(void)
unsigned long **psys_syscall_table = &sys_call_table;
syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) *
- FTRACE_SYSCALL_MAX, GFP_KERNEL);
+ NR_syscalls, GFP_KERNEL);
if (!syscalls_metadata) {
WARN_ON(1);
return -ENOMEM;
}
- for (i = 0; i < FTRACE_SYSCALL_MAX; i++) {
+ for (i = 0; i < NR_syscalls; i++) {
meta = find_syscall_meta(psys_syscall_table[i]);
syscalls_metadata[i] = meta;
}