Re: linux-next: manual merge of the ftrace tree with the tip tree

From: Stephen Rothwell
Date: Wed Nov 27 2019 - 19:47:11 EST


Hi all,

On Thu, 21 Nov 2019 15:10:40 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Today's linux-next merge of the ftrace tree got a conflict in:
>
> kernel/trace/trace_export.c
>
> between commit:
>
> 60fdad00827c ("ftrace: Rework event_create_dir()")
>
> from the tip tree and commit:
>
> 6dff4d7dd3e0 ("tracing: Make internal ftrace events static")
>
> from the ftrace tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
>
> --
> Cheers,
> Stephen Rothwell
>
> diff --cc kernel/trace/trace_export.c
> index 6d64c1c19fd5,2e6d2e9741cc..000000000000
> --- a/kernel/trace/trace_export.c
> +++ b/kernel/trace/trace_export.c
> @@@ -142,10 -168,12 +142,10 @@@ static struct trace_event_fields ftrace
> #define F_printk(fmt, args...) __stringify(fmt) ", " __stringify(args)
>
> #undef FTRACE_ENTRY_REG
> -#define FTRACE_ENTRY_REG(call, struct_name, etype, tstruct, print, filter,\
> - regfn) \
> - \
> +#define FTRACE_ENTRY_REG(call, struct_name, etype, tstruct, print, regfn) \
> - struct trace_event_class __refdata event_class_ftrace_##call = { \
> + static struct trace_event_class __refdata event_class_ftrace_##call = { \
> .system = __stringify(TRACE_SYSTEM), \
> - .define_fields = ftrace_define_fields_##call, \
> + .fields_array = ftrace_event_fields_##call, \
> .fields = LIST_HEAD_INIT(event_class_ftrace_##call.fields),\
> .reg = regfn, \
> }; \

This is now a conflict between the tip tree and Linus' tree.

--
Cheers,
Stephen Rothwell

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