diff options
| author | Tao Huang <huangtao@rock-chips.com> | 2018-08-20 19:38:38 +0800 |
|---|---|---|
| committer | Tao Huang <huangtao@rock-chips.com> | 2018-08-21 15:59:56 +0800 |
| commit | ab350b549ae0f45e0842a56c5d71f1437451571d (patch) | |
| tree | daa2c4db671350600038be7ea31220048099ca2a /init | |
| parent | 1d39cfca2ca3a5026eea26eb91e4b7bf2bb77331 (diff) | |
rk: init/main.c: support print long kernel command line
With features AVB / dm-verity enabled, cmdline content is about to
exceed previous maximum 2048 bytes. printk can not support long line
exceed LOG_LINE_MAX which less than 1024. So loop printk until all
content are printed in init/main.c.
Change-Id: I4c40b5302d82122b93161fe30082f5abcfcad069
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Diffstat (limited to 'init')
| -rw-r--r-- | init/main.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c index db6b6cbb846b..ad8ed67e7f4d 100644 --- a/init/main.c +++ b/init/main.c @@ -534,7 +534,23 @@ asmlinkage __visible void __init start_kernel(void) build_all_zonelists(NULL, NULL); page_alloc_init(); +#ifdef CONFIG_ARCH_ROCKCHIP + { + const char *s = boot_command_line; + const char *e = &boot_command_line[strlen(boot_command_line)]; + int n = + pr_notice("Kernel command line: %s\n", boot_command_line); + n -= strlen("Kernel command line: "); + s += n; + /* command line maybe too long to print one time */ + while (n > 0 && s < e) { + n = pr_cont("%s\n", s); + s += n; + } + } +#else pr_notice("Kernel command line: %s\n", boot_command_line); +#endif parse_early_param(); after_dashes = parse_args("Booting kernel", static_command_line, __start___param, |