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panic: clean up message about deprecated 'panic_print' parameter

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Remove duplication of the message about deprecated 'panic_print'
parameter.

Also make the wording more direct.  Make it clear that the new parameters
already exist and should be used instead.

Link: https://lkml.kernel.org/r/20250825025701.81921-5-feng.tang@linux.alibaba.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Feng Tang <feng.tang@linux.alibaba.com>
Reviewed-by: Lance Yang <lance.yang@linux.dev>
Tested-by: Lance Yang <lance.yang@linux.dev>
Reviewed-by: Feng Tang <feng.tang@linux.alibaba.com>
Cc: Askar Safin <safinaskar@zohomail.com>
Cc: John Ogness <john.ogness@linutronix.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: "Paul E . McKenney" <paulmck@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Petr Mladek
2025-08-25 10:57:01 +08:00
committed by Andrew Morton
parent 2683df6539
commit e40d2014b2
1 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
kernel/panic.c
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@@ -77,6 +77,11 @@ ATOMIC_NOTIFIER_HEAD(panic_notifier_list);
EXPORT_SYMBOL(panic_notifier_list);
static void panic_print_deprecated(void)
{
pr_info_once("Kernel: The 'panic_print' parameter is now deprecated. Please use 'panic_sys_info' and 'panic_console_replay' instead.\n");
}
#ifdef CONFIG_SYSCTL
/*
@@ -125,7 +130,7 @@ static int proc_taint(const struct ctl_table *table, int write,
static int sysctl_panic_print_handler(const struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos)
{
pr_info_once("Kernel: 'panic_print' sysctl interface will be obsoleted by both 'panic_sys_info' and 'panic_console_replay'\n");
panic_print_deprecated();
return proc_doulongvec_minmax(table, write, buffer, lenp, ppos);
}
@@ -944,13 +949,13 @@ core_param(panic_console_replay, panic_console_replay, bool, 0644);
static int panic_print_set(const char *val, const struct kernel_param *kp)
{
pr_info_once("Kernel: 'panic_print' parameter will be obsoleted by both 'panic_sys_info' and 'panic_console_replay'\n");
panic_print_deprecated();
return param_set_ulong(val, kp);
}
static int panic_print_get(char *val, const struct kernel_param *kp)
{
pr_info_once("Kernel: 'panic_print' parameter will be obsoleted by both 'panic_sys_info' and 'panic_console_replay'\n");
panic_print_deprecated();
return param_get_ulong(val, kp);
}