From: Baoquan He Date: Thu, 18 Apr 2024 03:58:43 +0000 (+0800) Subject: crash: add prefix for crash dumping messages X-Git-Tag: io_uring-6.10-20240523~30^2~24 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=4707c13de3e42a47f0d99fe5fb58fa9dd23b455e;p=linux-block.git crash: add prefix for crash dumping messages Add pr_fmt() to kernel/crash_core.c to add the module name to debugging message printed as prefix. And also add prefix 'crashkernel:' to two lines of message printing code in kernel/crash_reserve.c. In kernel/crash_reserve.c, almost all debugging messages have 'crashkernel:' prefix or there's keyword crashkernel at the beginning or in the middle, adding pr_fmt() makes it redundant. Link: https://lkml.kernel.org/r/20240418035843.1562887-1-bhe@redhat.com Signed-off-by: Baoquan He Cc: Dave Young Cc: Jiri Slaby Signed-off-by: Andrew Morton --- diff --git a/kernel/crash_core.c b/kernel/crash_core.c index 78b5dc7cee3a..1e7ac977f7c0 100644 --- a/kernel/crash_core.c +++ b/kernel/crash_core.c @@ -4,6 +4,8 @@ * Copyright (C) 2002-2004 Eric Biederman */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include diff --git a/kernel/crash_reserve.c b/kernel/crash_reserve.c index 066668799f75..5b2722a93a48 100644 --- a/kernel/crash_reserve.c +++ b/kernel/crash_reserve.c @@ -109,7 +109,7 @@ static int __init parse_crashkernel_mem(char *cmdline, size = memparse(cur, &tmp); if (cur == tmp) { - pr_warn("Memory value expected\n"); + pr_warn("crashkernel: Memory value expected\n"); return -EINVAL; } cur = tmp; @@ -132,7 +132,7 @@ static int __init parse_crashkernel_mem(char *cmdline, cur++; *crash_base = memparse(cur, &tmp); if (cur == tmp) { - pr_warn("Memory value expected after '@'\n"); + pr_warn("crahskernel: Memory value expected after '@'\n"); return -EINVAL; } }