tree 9dafb5703ff8012920673d448889c6ba4809e871
parent 8f5d36ed5bb6e33024619eaee15b7ce2e3d115b3
author Tejun Heo <tj@kernel.org> 1232526365 +0900
committer Tejun Heo <tj@kernel.org> 1232526365 +0900

x86: update canary handling during switch

Impact: cleanup

In switch_to(), instead of taking offset to irq_stack_union.stack,
make it a proper percpu access using __percpu_arg() and per_cpu_var().

Signed-off-by: Tejun Heo <tj@kernel.org>