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ANDROID: GKI: export saved_command_line

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Some driver modules require the ability to parse the kernel command
line outside the <modulename>.parm=<val> set on Android.  For example
androidboot.console=.  Past attempts ('03) to upstream and export
this key piece of content has come under resistance because
preference has been to support the existing api __setup(str,func),
which is only available to built-in, and push modules towards only
using the documented kernel parameter interface cited above or to
Device Tree and not react to any other out-of-band content.

Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Test: compile
Bug: 142496416
Change-Id: Ia349dce6f7e467b40b9fd95e40f52ea9a8f7e51d
This commit is contained in:
Mark Salyzyn
2019-10-11 08:14:54 -07:00
committed by Saravana Kannan
parent ef29b001ed
commit d45df4b851
1 changed files with 1 additions and 0 deletions
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init/main.c
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@@ -133,6 +133,7 @@ void (*__initdata late_time_init)(void);
char __initdata boot_command_line[COMMAND_LINE_SIZE]; char __initdata boot_command_line[COMMAND_LINE_SIZE];
/* Untouched saved command line (eg. for /proc) */ /* Untouched saved command line (eg. for /proc) */
char *saved_command_line; char *saved_command_line;
EXPORT_SYMBOL_GPL(saved_command_line);
/* Command line for parameter parsing */ /* Command line for parameter parsing */
static char *static_command_line; static char *static_command_line;
/* Command line for per-initcall parameter parsing */ /* Command line for per-initcall parameter parsing */