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authorMasami Hiramatsu <mhiramat@kernel.org>2021-09-16 09:23:29 +0300
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2021-10-11 03:43:53 +0300
commite306220cb7b7c2948f191414ab06851e143b54c1 (patch)
treeba1934544e721a548cc94935c1a4878cec050739 /init
parentbdac5c2b243f68ec15f8203c3348ae79fee8e8d8 (diff)
downloadlinux-e306220cb7b7c2948f191414ab06851e143b54c1.tar.xz
bootconfig: Add xbc_get_info() for the node information
Add xbc_get_info() API which allows user to get the number of used xbc_nodes and the size of bootconfig data. This is also useful for checking the bootconfig is initialized or not. Link: https://lkml.kernel.org/r/163177340877.682366.4360676589783197627.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'init')
-rw-r--r--init/main.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c
index d894989d86bc..afaed805de19 100644
--- a/init/main.c
+++ b/init/main.c
@@ -450,6 +450,7 @@ static void __init setup_boot_config(void)
pr_err("Failed to parse bootconfig: %s at %d.\n",
msg, pos);
} else {
+ xbc_get_info(&ret, NULL);
pr_info("Load bootconfig: %d bytes %d nodes\n", size, ret);
/* keys starting with "kernel." are passed via cmdline */
extra_command_line = xbc_make_cmdline("kernel");