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| author |   Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2022-04-01 16:12:31 +0100 |
|---|---|---|
| committer | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2022-04-01 16:12:31 +0100 |
| commit | de4fb176622d54a82ea3ceb7362392aaf5ff0b5a (patch) | |
| tree | 8b510763d14d89b97cd719e79834c84e095932d7 /kernel/cpu.c | |
| parent | ARM: 9191/1: arm/stacktrace, kasan: Silence KASAN warnings in unwind_frame() (diff) | |
| parent | ARM: 9189/1: decompressor: fix unneeded rebuilds of library objects (diff) | |
| download | wireguard-linux-de4fb176622d54a82ea3ceb7362392aaf5ff0b5a.tar.xz wireguard-linux-de4fb176622d54a82ea3ceb7362392aaf5ff0b5a.zip | |
Merge branches 'fixes' and 'misc' into for-linus
Diffstat (limited to 'kernel/cpu.c')
| -rw-r--r-- | kernel/cpu.c | 7 |
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. |