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author | Masami Hiramatsu <mhiramat@kernel.org> | 2020-01-10 19:03:56 +0300 |
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committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-01-13 21:19:39 +0300 |
commit | 950313ebf79c65702f4c15d29328147766d1f1fd (patch) | |
tree | 859764b9a481c2f383c07ac0f9c2b928fd0c18a5 /tools/bootconfig/include/linux/printk.h | |
parent | 7684b8582c24537dbe079a7d40e1d7e57ca56939 (diff) | |
download | linux-950313ebf79c65702f4c15d29328147766d1f1fd.tar.xz |
tools: bootconfig: Add bootconfig command
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>
Diffstat (limited to 'tools/bootconfig/include/linux/printk.h')
-rw-r--r-- | tools/bootconfig/include/linux/printk.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/bootconfig/include/linux/printk.h b/tools/bootconfig/include/linux/printk.h new file mode 100644 index 000000000000..017bcd6912a5 --- /dev/null +++ b/tools/bootconfig/include/linux/printk.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _SKC_LINUX_PRINTK_H +#define _SKC_LINUX_PRINTK_H + +#include <stdio.h> + +/* controllable printf */ +extern int pr_output; +#define printk(fmt, ...) \ + (pr_output ? printf(fmt, __VA_ARGS__) : 0) + +#define pr_err printk +#define pr_warn printk +#define pr_info printk +#define pr_debug printk + +#endif |