All of lore.kernel.org
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,wim@linux-watchdog.org,wangjinchao600@gmail.com,stable@vger.kernel.org,sashiko-bot@kernel.org,pmladek@suse.com,linux@roeck-us.net,brads@mainlining.org,akpm@linux-foundation.org
Subject: + panic-flatten-nmi_panic-control-flow.patch added to mm-nonmm-unstable branch
Date: Wed, 16 Sep 2026 13:45:39 -0700	[thread overview]
Message-ID: <20260916204539.A45D91F00893@smtp.kernel.org> (raw)


The patch titled
     Subject: panic: flatten nmi_panic control flow
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     panic-flatten-nmi_panic-control-flow.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/panic-flatten-nmi_panic-control-flow.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 various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days

------------------------------------------------------
From: Bradley Morgan <brads@mainlining.org>
Subject: panic: flatten nmi_panic control flow
Date: Wed, 16 Sep 2026 18:29:53 +0000

panic() is __noreturn, so the else after panic_try_start() is dead.  Drop
it so the force_cpu path can be added cleanly on top.

Link: https://lore.kernel.org/20260916182957.7788-3-brads@mainlining.org
Signed-off-by: Bradley Morgan <brads@mainlining.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Cc: Guenetr Roeck <linux@roeck-us.net>
Cc: Sashiko <sashiko-bot@kernel.org>
Cc: Wang Jinchao <wangjinchao600@gmail.com>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>
Cc: <stable@vger.kernel.org>
---

 kernel/panic.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/kernel/panic.c~panic-flatten-nmi_panic-control-flow
+++ a/kernel/panic.c
@@ -517,7 +517,8 @@ void nmi_panic(struct pt_regs *regs, con
 {
 	if (panic_try_start())
 		panic("%s", msg);
-	else if (panic_on_other_cpu())
+
+	if (panic_on_other_cpu())
 		nmi_panic_self_stop(regs);
 }
 EXPORT_SYMBOL(nmi_panic);
_

Patches currently in -mm which might be from brads@mainlining.org are

taskstats-copy-signal-stats-under-siglock-in-taskstats_exit.patch
mailmap-update-email-address-for-bradley-morgan.patch
taskstats-drop-the-unused-cpu_dont_care-enum-member.patch
panic-fix-redirect-cpu-race-in-panic_try_force_cpu.patch
panic-flatten-nmi_panic-control-flow.patch
panic-fix-va_list-reuse-in-panic_try_force_cpu.patch
panic-restore-variable-arguments-to-nmi_panic.patch
panic-allow-force_cpu-redirect-from-an-nmi.patch
panic-kill-the-buffer-unavailable-redirect-fallback.patch


                 reply	other threads:[~2026-09-16 20:45 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260916204539.A45D91F00893@smtp.kernel.org \
    --to=akpm@linux-foundation.org \
    --cc=brads@mainlining.org \
    --cc=linux@roeck-us.net \
    --cc=mm-commits@vger.kernel.org \
    --cc=pmladek@suse.com \
    --cc=sashiko-bot@kernel.org \
    --cc=stable@vger.kernel.org \
    --cc=wangjinchao600@gmail.com \
    --cc=wim@linux-watchdog.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.