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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-12-27 16:35:44 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-12-27 16:35:44 +0100
commit3f0bb496ee41d0eb99d308768c9f8593cbd3eb9f (patch)
treec56b697a7e818e91974d951872781bfd9b3af5b5 /kernel/cpu.c
parentd7fbdc575b33c374ce88ccfe3ab364f7eb240f8a (diff)
parent9c33eef84e3110963d6f41d87d63bc40d716eb1f (diff)
Merge branches 'thermal-tools' and 'thermal-int340x'
Merge tmon fix and int340x driver improvement for 5.17-rc1. * thermal-tools: thermal: tools: tmon: remove unneeded local variable * thermal-int340x: thermal: int340x: Use struct_group() for memcpy() region
Diffstat (limited to 'kernel/cpu.c')
-rw-r--r--kernel/cpu.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 192e43a87407..407a2568f35e 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -31,6 +31,7 @@
#include <linux/smpboot.h>
#include <linux/relay.h>
#include <linux/slab.h>
+#include <linux/scs.h>
#include <linux/percpu-rwsem.h>
#include <linux/cpuset.h>
@@ -588,6 +589,12 @@ static int bringup_cpu(unsigned int cpu)
int ret;
/*
+ * Reset stale stack state from the last time this CPU was online.
+ */
+ scs_task_reset(idle);
+ kasan_unpoison_task_stack(idle);
+
+ /*
* Some architectures have to walk the irq descriptors to
* setup the vector space for the cpu which comes online.
* Prevent irq alloc/free across the bringup.