The patch titled
Subject: watchdog: simplify housekeeping affinity with the appropriate mask
has been removed from the -mm tree. Its filename was
watchdog-simplify-housekeeping-affinity-with-the-appropriate-mask.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Subject: watchdog: simplify housekeeping affinity with the appropriate mask
housekeeping_mask gathers all the CPUs that aren't part of the nohz_full
set. This is exactly what we want the watchdog to be affine to without
the need to use complicated cpumask operations.
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Reviewed-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Chris Metcalf <cmetcalf@xxxxxxxxxx>
Cc: Don Zickus <dzickus@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ulrich Obergfell <uobergfe@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/watchdog.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff -puN kernel/watchdog.c~watchdog-simplify-housekeeping-affinity-with-the-appropriate-mask kernel/watchdog.c
--- a/kernel/watchdog.c~watchdog-simplify-housekeeping-affinity-with-the-appropriate-mask
+++ a/kernel/watchdog.c
@@ -929,10 +929,8 @@ void __init lockup_detector_init(void)
#ifdef CONFIG_NO_HZ_FULL
if (tick_nohz_full_enabled()) {
- if (!cpumask_empty(tick_nohz_full_mask))
- pr_info("Disabling watchdog on nohz_full cores by default\n");
- cpumask_andnot(&watchdog_cpumask, cpu_possible_mask,
- tick_nohz_full_mask);
+ pr_info("Disabling watchdog on nohz_full cores by default\n");
+ cpumask_copy(&watchdog_cpumask, housekeeping_mask);
} else
cpumask_copy(&watchdog_cpumask, cpu_possible_mask);
#else
_
Patches currently in -mm which might be from fweisbec@xxxxxxxxx are
kmod-bunch-of-internal-functions-renames.patch
kmod-remove-unecessary-explicit-wide-cpu-affinity-setting.patch
kmod-add-up-to-date-explanations-on-the-purpose-of-each-asynchronous-levels.patch
kmod-use-system_unbound_wq-instead-of-khelper.patch
kmod-handle-umh_wait_proc-from-system-unbound-workqueue.patch
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