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Message-Id: <20200203121645.18b8e5aaa6dd22b7f9e7c928@kernel.org>
Date: Mon, 3 Feb 2020 12:16:45 +0900
From: Masami Hiramatsu <mhiramat@...nel.org>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Steven Rostedt <rostedt@...dmis.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Next Mailing List <linux-next@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
Arvind Sankar <nivedita@...m.mit.edu>
Subject: Re: linux-next: manual merge of the akpm-current tree with the
ftrace tree
Hi,
On Mon, 3 Feb 2020 11:51:32 +1100
Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> Hi all,
>
> On Wed, 15 Jan 2020 16:47:08 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > Hi all,
> >
> > Today's linux-next merge of the akpm-current tree got a conflict in:
> >
> > init/main.c
> >
> > between commit:
> >
> > 0068c92a9270 ("init/main.c: Alloc initcall_command_line in do_initcall() and free it")
> >
> > from the ftrace tree and commit:
> >
> > 21cc5aef9811 ("init/main.c: remove unnecessary repair_env_string in do_initcall_level")
> >
> > from the akpm-current 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.
> >
Thanks for noticing the conflict and fixing!
> > @@@ -1162,15 -990,22 +1161,21 @@@ static const char *initcall_level_names
> > "late",
> > };
> >
> > + static int __init ignore_unknown_bootoption(char *param, char *val,
> > + const char *unused, void *arg)
> > + {
> > + return 0;
> > + }
> > +
> > -static void __init do_initcall_level(int level)
> > +static void __init do_initcall_level(int level, char *command_line)
> > {
> > initcall_entry_t *fn;
> >
> > - strcpy(initcall_command_line, saved_command_line);
> > parse_args(initcall_level_names[level],
> > - initcall_command_line, __start___param,
> > + command_line, __start___param,
> > __stop___param - __start___param,
> > level, level,
> > - NULL, &repair_env_string);
> > + NULL, ignore_unknown_bootoption);
> >
> > trace_initcall_level(initcall_level_names[level]);
> > for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++)
>
> This is now a conflict between the ftrace tree and Linus' tree.
Yeah, this fix looks good to me.
As far as I can see, the issue is below 2 lines.
> > -static void __init do_initcall_level(int level)
> > +static void __init do_initcall_level(int level, char *command_line)
Basically, the command_line is copied from saved_command_line each time when
do_initcall_level() is invoked, so the precondition of the commit 21cc5aef9811
("init/main.c: remove unnecessary repair_env_string in do_initcall_level")
remains the same.
Thank you,
--
Masami Hiramatsu <mhiramat@...nel.org>
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