Messages in this thread Patch in this message | | | From | "Ian Munsie" <> | Subject | [PATCH 38/40] trace syscalls: Remove redundant test for unmapped compat syscalls | Date | Wed, 23 Jun 2010 20:03:19 +1000 |
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From: Ian Munsie <imunsie@au1.ibm.com>
Since the ftrace event initialisation routine now verifies that either the syscall number or the compat syscall number is valid and will not create events for unmapped syscalls, it is unnecessary to explicitly search for them, so remove it.
Signed-off-by: Ian Munsie <imunsie@au1.ibm.com> --- kernel/trace/trace_syscalls.c | 20 -------------------- 1 files changed, 0 insertions(+), 20 deletions(-)
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index c0041e3..108c2eb 100644 --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -528,26 +528,6 @@ int __init init_ftrace_syscalls(void) meta->compat_syscall_nr = i; compat_syscalls_metadata[i] = meta; } - /* now check if any compat_syscalls are not referenced */ - for (ftrace_event = __start_ftrace_events; - (unsigned long)ftrace_event < - (unsigned long)__stop_ftrace_events; ftrace_event++) { - - match = 0; - if (!ftrace_event->name) - continue; - if (strcmp(ftrace_event->class->system, "compat_syscalls")) - continue; - for (i = 0; i < NR_syscalls_compat; i++) { - if (ftrace_event->data == - compat_syscalls_metadata[i]) { - match = 1; - break; - } - } - if (!match) - ftrace_event->name = NULL; - } } #endif return 0; -- 1.7.1
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