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From:   Santosh Sivaraj <santosh@fossix.org>
To:     Linux Kernel <linux-kernel@vger.kernel.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Cc:     pmladek@suse.com, bala24@linux.ibm.com,
        Santosh Sivaraj <santosh@fossix.org>
Subject: [RESEND PATCH] kernel/watchdog: Fix watchdog_allowed_mask not used warning
Date:   Tue,  3 Nov 2020 15:02:35 +0530
Message-Id: <20201103093235.655665-1-santosh@fossix.org>
MIME-Version: 1.0
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Precedence: bulk

Define watchdog_allowed_mask only when SOFTLOCKUP_DETECTOR is enabled.

Signed-off-by: Santosh Sivaraj <santosh@fossix.org>
---

Original patch is here:
https://lore.kernel.org/lkml/20190807014417.9418-1-santosh@fossix.org/

A similar patch was also sent by Balamuruhan and reviewed by Petr.
https://lkml.org/lkml/2020/8/20/1030

 kernel/watchdog.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 5abb5b22ad13..71109065bd8e 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -44,8 +44,6 @@ int __read_mostly soft_watchdog_user_enabled = 1;
 int __read_mostly watchdog_thresh = 10;
 static int __read_mostly nmi_watchdog_available;
 
-static struct cpumask watchdog_allowed_mask __read_mostly;
-
 struct cpumask watchdog_cpumask __read_mostly;
 unsigned long *watchdog_cpumask_bits = cpumask_bits(&watchdog_cpumask);
 
@@ -162,6 +160,8 @@ static void lockup_detector_update_enable(void)
 int __read_mostly sysctl_softlockup_all_cpu_backtrace;
 #endif
 
+static struct cpumask watchdog_allowed_mask __read_mostly;
+
 /* Global variables, exported for sysctl */
 unsigned int __read_mostly softlockup_panic =
 			CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE;
-- 
2.26.2