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| author | Jason Gunthorpe <jgg@nvidia.com> | 2021-12-14 20:18:48 -0400 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-12-14 20:18:48 -0400 |
| commit | 4922f0920966c28d674b03479cdcb7f3939bfbbd (patch) | |
| tree | 6a8b3972ff853fc0addcfab662d33354124f7fdb /kernel/cpu.c | |
| parent | 20679094a0161c94faf77e373fa3f7428a8e14bd (diff) | |
| parent | 2585cf9dfaaddf00b069673f27bb3f8530e2039c (diff) | |
Merge tag 'v5.16-rc5' into rdma.git for-next
Required due to dependencies in following patches.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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. |