On Thu, 28 Nov 2019 11:47:04 +1100
Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> 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.
This looks to be a trivial conflict, as the change in the ftrace (now
Linus's) tree just makes event_class_ftrace_##call static, and
shouldn't interfere with the changes in tip.
-- Steve
