From: Marco Elver <elver@google.com> mainline inclusion from mainline-v5.13-rc1 commit 9f961c2e08741579aa53095d0dbffbcb25a9ae66 category: feature bugzilla: 181005 https://gitee.com/openeuler/kernel/issues/I4EUY7 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... ----------------------------------------------- Do not show no_hash_pointers message multiple times if the option was passed more than once (e.g. via generated command line). Signed-off-by: Marco Elver <elver@google.com> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20210305194206.3165917-1-elver@google.com Signed-off-by: Peng Liu <liupeng256@huawei.com> Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Chen Jun <chenjun102@huawei.com> --- lib/vsprintf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/vsprintf.c b/lib/vsprintf.c index dc7d6a269e2f..931d850891b6 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -2178,6 +2178,9 @@ EXPORT_SYMBOL_GPL(no_hash_pointers); static int __init no_hash_pointers_enable(char *str) { + if (no_hash_pointers) + return 0; + no_hash_pointers = true; pr_warn("**********************************************************\n"); -- 2.20.1