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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 <bhe@redhat.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Baoquan He 2024-04-18 11:58:43 +08:00 committed by Andrew Morton
parent 055e09ac54
commit 4707c13de3
2 changed files with 4 additions and 2 deletions
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2
kernel/crash_core.c
View File

@ -4,6 +4,8 @@
* Copyright (C) 2002-2004 Eric Biederman <ebiederm@xmission.com>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/buildid.h>
#include <linux/init.h>
#include <linux/utsname.h>

4
kernel/crash_reserve.c
View File

@ -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;
}
}