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- // SPDX-License-Identifier: GPL-2.0
- /*
- * x86-specific bits of KMSAN shadow implementation.
- *
- * Copyright (C) 2022 Google LLC
- * Author: Alexander Potapenko <[email protected]>
- */
- #include <asm/cpu_entry_area.h>
- #include <linux/percpu-defs.h>
- /*
- * Addresses within the CPU entry area (including e.g. exception stacks) do not
- * have struct page entries corresponding to them, so they need separate
- * handling.
- * arch_kmsan_get_meta_or_null() (declared in the header) maps the addresses in
- * CPU entry area to addresses in cpu_entry_area_shadow/cpu_entry_area_origin.
- */
- DEFINE_PER_CPU(char[CPU_ENTRY_AREA_SIZE], cpu_entry_area_shadow);
- DEFINE_PER_CPU(char[CPU_ENTRY_AREA_SIZE], cpu_entry_area_origin);
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