Le 03/11/2020 à 10:32, Santosh Sivaraj a écrit :
Define watchdog_allowed_mask only when SOFTLOCKUP_DETECTOR is enabled.

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

I think maybe you should add a Fixes: tag (Towards 
https://github.com/linuxppc/linux/commit/7feeb9cd ?)

And copy Thomas (tglx)

Christophe

---

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

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