diff options
| -rw-r--r-- | Documentation/filesystems/proc.rst | 8 | ||||
| -rw-r--r-- | fs/proc/bootconfig.c | 6 |
2 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst index 2b59cff8be17..49ef12df631b 100644 --- a/Documentation/filesystems/proc.rst +++ b/Documentation/filesystems/proc.rst @@ -689,9 +689,15 @@ files are there, and which are missing. File Content ============ =============================================================== apm Advanced power management info + bootconfig Kernel command line obtained from boot config, + and, if there were kernel parameters from the + boot loader, a "# Parameters from bootloader:" + line followed by a line containing those + parameters prefixed by "# ". (5.5) buddyinfo Kernel memory allocator information (see text) (2.5) bus Directory containing bus specific information - cmdline Kernel command line + cmdline Kernel command line, both from bootloader and embedded + in the kernel image cpuinfo Info about the CPU devices Available devices (block and character) dma Used DMS channels diff --git a/fs/proc/bootconfig.c b/fs/proc/bootconfig.c index 2e244ada1f97..902b326e1e56 100644 --- a/fs/proc/bootconfig.c +++ b/fs/proc/bootconfig.c @@ -62,6 +62,12 @@ static int __init copy_xbc_key_value_list(char *dst, size_t size) break; dst += ret; } + if (ret >= 0 && boot_command_line[0]) { + ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n", + boot_command_line); + if (ret > 0) + dst += ret; + } } out: kfree(key); |