Re: [PATCH 3/3] tracing/syscalls: Use long for syscall ret format and field definitions

From: Frédéric Weisbecker
Date: Tue Oct 06 2009 - 03:16:34 EST


2009/10/6, Tom Zanussi <tzanussi@xxxxxxxxx>:
> The syscall event definitions use long for the syscall exit ret value,
> but unsigned long for the same thing in the format and field
> definitions. Change them all to long.


Thanks.

We may perhaps also want to change struct syscall_trace_exit
according to that?
That won't change the code behaviour, just the logic while
reviewing.

It's just a neat, this patch itself is fine.


>
> Signed-off-by: Tom Zanussi <tzanussi@xxxxxxxxx>
> ---
> kernel/trace/trace_syscalls.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
> index 9fbce6c..527e17e 100644
> --- a/kernel/trace/trace_syscalls.c
> +++ b/kernel/trace/trace_syscalls.c
> @@ -166,7 +166,7 @@ int syscall_exit_format(struct ftrace_event_call *call,
> struct trace_seq *s)
> "\tfield:%s %s;\toffset:%zu;\tsize:%zu;\n"
> "\tfield:%s %s;\toffset:%zu;\tsize:%zu;\n",
> SYSCALL_FIELD(int, nr),
> - SYSCALL_FIELD(unsigned long, ret));
> + SYSCALL_FIELD(long, ret));
> if (!ret)
> return 0;
>
> @@ -212,7 +212,7 @@ int syscall_exit_define_fields(struct ftrace_event_call
> *call)
> if (ret)
> return ret;
>
> - ret = trace_define_field(call, SYSCALL_FIELD(unsigned long, ret), 0,
> + ret = trace_define_field(call, SYSCALL_FIELD(long, ret), 0,
> FILTER_OTHER);
>
> return ret;
> --
> 1.6.4.GIT
>
>
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