* + panic-refine-the-document-for-panic_print.patch added to mm-nonmm-unstable branch
@ 2025-08-26 0:41 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2025-08-26 0:41 UTC (permalink / raw)
To: mm-commits, safinaskar, rostedt, pmladek, paulmck, lance.yang,
john.ogness, corbet, feng.tang, akpm
The patch titled
Subject: panic: refine the document for 'panic_print'
has been added to the -mm mm-nonmm-unstable branch. Its filename is
panic-refine-the-document-for-panic_print.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/panic-refine-the-document-for-panic_print.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Feng Tang <feng.tang@linux.alibaba.com>
Subject: panic: refine the document for 'panic_print'
Date: Mon, 25 Aug 2025 10:56:59 +0800
User reported current document about SYS_INFO_PANIC_CONSOLE_REPLAY is
confusing, that people could expect all user space console messages to be
replayed.
Specify that only 'kernel' messages will be replayed to solve the confusion.
Link: https://lkml.kernel.org/r/20250825025701.81921-3-feng.tang@linux.alibaba.com
Signed-off-by: Feng Tang <feng.tang@linux.alibaba.com>
Reported-by: Askar Safin <safinaskar@zohomail.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Cc: John Ogness <john.ogness@linutronix.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: "Paul E . McKenney" <paulmck@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
Documentation/admin-guide/kernel-parameters.txt | 2 +-
Documentation/admin-guide/sysctl/kernel.rst | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/Documentation/admin-guide/kernel-parameters.txt~panic-refine-the-document-for-panic_print
+++ a/Documentation/admin-guide/kernel-parameters.txt
@@ -4589,7 +4589,7 @@
bit 2: print timer info
bit 3: print locks info if CONFIG_LOCKDEP is on
bit 4: print ftrace buffer
- bit 5: replay all messages on consoles at the end of panic
+ bit 5: replay all kernel messages on consoles at the end of panic
bit 6: print all CPUs backtrace (if available in the arch)
bit 7: print only tasks in uninterruptible (blocked) state
*Be aware* that this option may print a _lot_ of lines,
--- a/Documentation/admin-guide/sysctl/kernel.rst~panic-refine-the-document-for-panic_print
+++ a/Documentation/admin-guide/sysctl/kernel.rst
@@ -890,7 +890,7 @@ bit 1 print system memory info
bit 2 print timer info
bit 3 print locks info if ``CONFIG_LOCKDEP`` is on
bit 4 print ftrace buffer
-bit 5 replay all messages on consoles at the end of panic
+bit 5 replay all kernel messages on consoles at the end of panic
bit 6 print all CPUs backtrace (if available in the arch)
bit 7 print only tasks in uninterruptible (blocked) state
===== ============================================
_
Patches currently in -mm which might be from feng.tang@linux.alibaba.com are
lib-sys_info-handle-sys_info_mask==0-case.patch
panic-refine-the-document-for-panic_print.patch
panic-add-note-that-panic_print-parameter-is-deprecated.patch
^ permalink raw reply [flat|nested] 2+ messages in thread* + panic-refine-the-document-for-panic_print.patch added to mm-nonmm-unstable branch
@ 2025-08-16 7:15 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2025-08-16 7:15 UTC (permalink / raw)
To: mm-commits, safinaskar, rostedt, pmladek, paulmck, lance.yang,
john.ogness, corbet, feng.tang, akpm
The patch titled
Subject: panic: refine the document for 'panic_print'
has been added to the -mm mm-nonmm-unstable branch. Its filename is
panic-refine-the-document-for-panic_print.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/panic-refine-the-document-for-panic_print.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Feng Tang <feng.tang@linux.alibaba.com>
Subject: panic: refine the document for 'panic_print'
Date: Fri, 15 Aug 2025 15:14:27 +0800
User reported current document about SYS_INFO_PANIC_CONSOLE_REPLAY is
confusing, that people could expect all user space console messages to be
replayed.
Specify that only 'kernel' messages will be replayed to solve the confusion.
Link: https://lkml.kernel.org/r/20250815071428.98041-3-feng.tang@linux.alibaba.com
Signed-off-by: Feng Tang <feng.tang@linux.alibaba.com>
Reported-by: Askar Safin <safinaskar@zohomail.com>
Cc: John Ogness <john.ogness@linutronix.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: "Paul E . McKenney" <paulmck@kernel.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
Documentation/admin-guide/kernel-parameters.txt | 2 +-
Documentation/admin-guide/sysctl/kernel.rst | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/Documentation/admin-guide/kernel-parameters.txt~panic-refine-the-document-for-panic_print
+++ a/Documentation/admin-guide/kernel-parameters.txt
@@ -4589,7 +4589,7 @@
bit 2: print timer info
bit 3: print locks info if CONFIG_LOCKDEP is on
bit 4: print ftrace buffer
- bit 5: replay all messages on consoles at the end of panic
+ bit 5: replay all kernel messages on consoles at the end of panic
bit 6: print all CPUs backtrace (if available in the arch)
bit 7: print only tasks in uninterruptible (blocked) state
*Be aware* that this option may print a _lot_ of lines,
--- a/Documentation/admin-guide/sysctl/kernel.rst~panic-refine-the-document-for-panic_print
+++ a/Documentation/admin-guide/sysctl/kernel.rst
@@ -890,7 +890,7 @@ bit 1 print system memory info
bit 2 print timer info
bit 3 print locks info if ``CONFIG_LOCKDEP`` is on
bit 4 print ftrace buffer
-bit 5 replay all messages on consoles at the end of panic
+bit 5 replay all kernel messages on consoles at the end of panic
bit 6 print all CPUs backtrace (if available in the arch)
bit 7 print only tasks in uninterruptible (blocked) state
===== ============================================
_
Patches currently in -mm which might be from feng.tang@linux.alibaba.com are
lib-sys_info-handle-sys_info_mask==0-case.patch
panic-refine-the-document-for-panic_print.patch
panic-add-note-that-panic_print-parameter-is-deprecated.patch
^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-08-16 7:15 Andrew Morton
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