+ get_maintainer-lazy-load-json-pp-only-when-json-is-used.patch added to mm-nonmm-hotfixes-unstable branch

+ get_maintainer-lazy-load-json-pp-only-when-json-is-used.patch added to mm-nonmm-hotfixes-unstable branch

[Andrew Morton]

The patch titled
     Subject: get_maintainer: lazy load JSON::PP only when --json is used
has been added to the -mm mm-nonmm-hotfixes-unstable branch.  Its filename is
     get_maintainer-lazy-load-json-pp-only-when-json-is-used.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/get_maintainer-lazy-load-json-pp-only-when-json-is-used.patch

This patch will later appear in the mm-nonmm-hotfixes-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Oleg Nesterov <oleg@redhat.com>
Subject: get_maintainer: lazy load JSON::PP only when --json is used
Date: Fri, 30 Oct 2026 16:43:48 +0100

After commit 09d8b39563e8 ("get_maintainer: add --json output mode"),
I can no longer use get_maintainer.pl; it fails at compile time if
JSON::PP is not installed even when --json is not requested.

This module is only needed with the --json option. Use "require" to
load this module dynamically inside the "if ($json)" block instead.

Link: https://lore.kernel.org/auS7NOsyw7pJ7rbF@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Joe Perches <joe@perches.com>
Cc: Sasha Levin <sashal@kernel.org>
Cc: <stable@vger.kernel.org>
---

 scripts/get_maintainer.pl |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/scripts/get_maintainer.pl~get_maintainer-lazy-load-json-pp-only-when-json-is-used
+++ a/scripts/get_maintainer.pl
@@ -21,7 +21,6 @@ use Cwd;
 use File::Find;
 use File::Spec::Functions;
 use open qw(:std :encoding(UTF-8));
-use JSON::PP;
 
 my $cur_path = fastgetcwd() . '/';
 my $lk_path = "./";
@@ -685,6 +684,7 @@ if ($json) {
     $result{web} = \@web if ($web);
     $result{bug} = \@bug if ($bug);
 
+    require JSON::PP;
     my $json_encoder = JSON::PP->new->canonical->utf8;
     print($json_encoder->encode(\%result) . "\n");
 } else {
_

Patches currently in -mm which might be from oleg@redhat.com are

get_maintainer-lazy-load-json-pp-only-when-json-is-used.patch
proc-use-pid_has_task-in-proc_inode_is_dead.patch