1 #include <linux/init.h>
2 #include <linux/console.h>
6 /* ----------------------------------------------------------------------------- */
7 /* trivial console driver -- simply dump everything to stderr */
10 * Don't register by default -- as this registeres very early in the
11 * boot process it becomes the default console. And as this isn't a
12 * real tty driver init isn't able to open /dev/console then.
14 * In most cases this isn't what you want ...
16 static int use_stderr_console
= 0;
18 static void stderr_console_write(struct console
*console
, const char *string
,
21 generic_write(2 /* stderr */, string
, len
, NULL
);
24 static struct console stderr_console
= {
26 .write
= stderr_console_write
,
27 .flags
= CON_PRINTBUFFER
,
30 static int __init
stderr_console_init(void)
32 if (use_stderr_console
)
33 register_console(&stderr_console
);
36 console_initcall(stderr_console_init
);
38 static int stderr_setup(char *str
)
42 use_stderr_console
= simple_strtoul(str
,&str
,0);
45 __setup("stderr=", stderr_setup
);
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