Messages in this thread Patch in this message | | | From | "Frank Ch. Eigler" <> | Subject | [PATCH 1/2] make arch_init_ftrace_syscalls multiply callable | Date | Sun, 5 Apr 2009 10:17:53 -0400 |
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Since both the utrace-based ftrace engine and the original syscall-specific ftrace engine use the syscall pretty-printer, this initialization function needs to be callable from each of them.
Signed-off-by: Frank Ch. Eigler <fche@elastic.org> --- arch/x86/kernel/ftrace.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 1d0d7f4..1d99d3d 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -498,6 +498,9 @@ void arch_init_ftrace_syscalls(void) if (atomic_inc_return(&refs) != 1) goto end; + if (syscalls_metadata) + return; + syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) * FTRACE_SYSCALL_MAX, GFP_KERNEL); if (!syscalls_metadata) { -- 1.6.0.6
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