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From: Masami Hiramatsu <mhiramat@kernel.org>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Masami Hiramatsu <mhiramat@kernel.org>
Subject: Re: [for-next][PATCH 06/26] tools: bootconfig: Add bootconfig command
Date: Fri, 7 Feb 2020 22:39:23 +0900	[thread overview]
Message-ID: <20200207223923.b700e363c57f4a6031176205@kernel.org> (raw)
In-Reply-To: <87o8ua1rg3.fsf@mpe.ellerman.id.au>

On Sat, 08 Feb 2020 00:02:04 +1100
Michael Ellerman <mpe@ellerman.id.au> wrote:

> Steven Rostedt <rostedt@goodmis.org> writes:
> > From: Masami Hiramatsu <mhiramat@kernel.org>
> >
> > Add "bootconfig" command which operates the bootconfig
> > config-data on initrd image.
> >
> > User can add/delete/verify the boot config on initrd
> > image using this command.
> >
> > e.g.
> > Add a boot config to initrd image
> >  # bootconfig -a myboot.conf /boot/initrd.img
> >
> > Remove it.
> >  # bootconfig -d /boot/initrd.img
> >
> > Or verify (and show) it.
> >  # bootconfig /boot/initrd.img
> >
> > Link: http://lkml.kernel.org/r/157867223582.17873.14342161849213219982.stgit@devnote2
> >
> > Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
> > [ Removed extra blank line at end of bootconfig.c ]
> > Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
> > ---
> >  MAINTAINERS                                 |   1 +
> >  tools/Makefile                              |  11 +-
> >  tools/bootconfig/.gitignore                 |   1 +
> >  tools/bootconfig/Makefile                   |  20 ++
> >  tools/bootconfig/include/linux/bootconfig.h |   7 +
> >  tools/bootconfig/include/linux/bug.h        |  12 +
> >  tools/bootconfig/include/linux/ctype.h      |   7 +
> >  tools/bootconfig/include/linux/errno.h      |   7 +
> >  tools/bootconfig/include/linux/kernel.h     |  18 +
> >  tools/bootconfig/include/linux/printk.h     |  17 +
> >  tools/bootconfig/include/linux/string.h     |  32 ++
> >  tools/bootconfig/main.c                     | 353 ++++++++++++++++++++
> 
> This doesn't seem to build:
> 
>   $ cd tools/bootconfig
>   $ make
>   cc ../../lib/bootconfig.c main.c -Wall -g -I./include -o bootconfig
>   In file included from ./include/linux/kernel.h:8,
>                    from ../../lib/bootconfig.c:12:
>   ../../lib/bootconfig.c: In function ‘xbc_init’:
>   ./include/linux/printk.h:10:38: error: expected expression before ‘)’ token
>      10 |  (pr_output ? printf(fmt, __VA_ARGS__) : 0)
>         |                                      ^
>   ./include/linux/printk.h:12:16: note: in expansion of macro ‘printk’
>      12 | #define pr_err printk
>         |                ^~~~~~
>   ../../lib/bootconfig.c:740:3: note: in expansion of macro ‘pr_err’
>     740 |   pr_err("Error: bootconfig is already initialized.\n");
>         |   ^~~~~~
>   make: *** [Makefile:14: bootconfig] Error 1
> 
> 
> That's on Fedora 30, x86_64, but I see the same elsewhere.

Oops, thanks for reporting!
I found that the above macro doesn't work if the function gets 1 argument.
It should use ##__VA_ARGS__ instead of __VA_ARGS__.
OK, I'll fix it.

Thanks!


-- 
Masami Hiramatsu <mhiramat@kernel.org>

  reply	other threads:[~2020-02-07 13:39 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-14 21:03 [for-next][PATCH 00/26] tracing: Updates for 5.6 Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 01/26] perf: Make struct ring_buffer less ambiguous Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 02/26] tracing: Rename trace_buffer to array_buffer Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 03/26] tracing: Make struct ring_buffer less ambiguous Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 04/26] bootconfig: Add Extra Boot Config support Steven Rostedt
2020-02-06 11:54   ` Borislav Petkov
2020-02-06 14:41     ` Masami Hiramatsu
2020-02-06 17:20       ` Geert Uytterhoeven
2020-02-07  0:30         ` Masami Hiramatsu
2020-02-07  8:49           ` Geert Uytterhoeven
2020-02-07 13:17             ` Masami Hiramatsu
2020-02-07 14:28               ` [PATCH] bootconfig: Allocate xbc_nodes array dynamically Masami Hiramatsu
2020-02-06 17:58       ` [for-next][PATCH 04/26] bootconfig: Add Extra Boot Config support Borislav Petkov
2020-02-06 18:10         ` Randy Dunlap
2020-02-06 22:39           ` Steven Rostedt
2020-02-06 22:51             ` Borislav Petkov
2020-02-07  8:59             ` Geert Uytterhoeven
2020-02-07  2:46         ` Masami Hiramatsu
2020-02-07 11:41           ` Borislav Petkov
2020-02-07 15:06             ` Masami Hiramatsu
2020-02-10 11:25               ` Borislav Petkov
2020-02-10 15:10                 ` Masami Hiramatsu
2020-02-10 17:40                   ` Borislav Petkov
2020-02-11  2:02                     ` Masami Hiramatsu
2020-02-18 13:27                       ` Borislav Petkov
2020-02-18 17:57                         ` Steven Rostedt
2020-02-18 19:38                           ` Borislav Petkov
2020-02-19  2:26                             ` Masami Hiramatsu
2020-02-19  2:26                           ` Masami Hiramatsu
2020-02-19  2:26                         ` Masami Hiramatsu
2020-02-11  9:25                     ` Geert Uytterhoeven
2020-01-14 21:03 ` [for-next][PATCH 05/26] bootconfig: Load boot config from the tail of initrd Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 06/26] tools: bootconfig: Add bootconfig command Steven Rostedt
2020-02-07 13:02   ` Michael Ellerman
2020-02-07 13:39     ` Masami Hiramatsu [this message]
2020-02-07 13:55     ` [PATCH] tools/bootconfig: Fix wrong __VA_ARGS__ usage Masami Hiramatsu
2020-02-08 11:10       ` Michael Ellerman
2020-02-09  4:09         ` Masami Hiramatsu
2020-02-09 13:05         ` [PATCH] tools/bootconfig: Suppress non-error messages Masami Hiramatsu
2020-02-10  2:06           ` Michael Ellerman
2020-02-10  7:18             ` Masami Hiramatsu
2020-02-10  9:50               ` Michael Ellerman
2020-02-10  9:50       ` [PATCH] tools/bootconfig: Fix wrong __VA_ARGS__ usage Michael Ellerman
2020-02-10 17:07         ` Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 07/26] tools: bootconfig: Add bootconfig test script Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 08/26] proc: bootconfig: Add /proc/bootconfig to show boot config list Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 09/26] init/main.c: Alloc initcall_command_line in do_initcall() and free it Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 10/26] bootconfig: init: Allow admin to use bootconfig for kernel command line Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 11/26] bootconfig: init: Allow admin to use bootconfig for init " Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 12/26] Documentation: bootconfig: Add a doc for extended boot config Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 13/26] tracing: Apply soft-disabled and filter to tracepoints printk Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 14/26] tracing: kprobes: Output kprobe event to printk buffer Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 15/26] tracing: kprobes: Register to dynevent earlier stage Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 16/26] tracing: Accept different type for synthetic event fields Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 17/26] tracing: Add NULL trace-array check in print_synth_event() Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 18/26] tracing/boot: Add boot-time tracing Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 19/26] tracing/boot: Add per-event settings Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 20/26] tracing/boot Add kprobe event support Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 21/26] tracing/boot: Add synthetic " Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 22/26] tracing/boot: Add instance node support Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 23/26] tracing/boot: Add cpu_mask option support Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 24/26] tracing/boot: Add function tracer filter options Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 25/26] Documentation: tracing: Add boot-time tracing document Steven Rostedt
2020-01-14 21:03 ` [for-next][PATCH 26/26] tracing: trigger: Replace unneeded RCU-list traversals Steven Rostedt
2020-01-14 22:11   ` Steven Rostedt

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