diff options
| author | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2022-04-21 16:40:02 +0100 |
|---|---|---|
| committer | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2023-10-30 12:55:55 +0000 |
| commit | 661b061bd90889a0b5a51f8616e407c414f938cb (patch) | |
| tree | 14900116f4fb21b700122e56db4b04f7aa128ba9 | |
| parent | 7e9fdc7bc2feebc92fb02f8ba4fa4cd1dff7d885 (diff) | |
arm64: text replication: add init function
A simple patch that adds an empty function for kernel text replication
initialisation and hooks it into the initialisation path.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
| -rw-r--r-- | arch/arm64/include/asm/ktext.h | 20 | ||||
| -rw-r--r-- | arch/arm64/mm/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm64/mm/init.c | 3 | ||||
| -rw-r--r-- | arch/arm64/mm/ktext.c | 8 |
4 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/ktext.h b/arch/arm64/include/asm/ktext.h new file mode 100644 index 000000000000..1a5f7452a3bf --- /dev/null +++ b/arch/arm64/include/asm/ktext.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2022, Oracle and/or its affiliates. + */ +#ifndef ASM_KTEXT_H +#define ASM_KTEXT_H + +#ifdef CONFIG_REPLICATE_KTEXT + +void ktext_replication_init(void); + +#else + +static inline void ktext_replication_init(void) +{ +} + +#endif + +#endif diff --git a/arch/arm64/mm/Makefile b/arch/arm64/mm/Makefile index dbd1bc95967d..41e705027c57 100644 --- a/arch/arm64/mm/Makefile +++ b/arch/arm64/mm/Makefile @@ -14,3 +14,5 @@ KASAN_SANITIZE_physaddr.o += n obj-$(CONFIG_KASAN) += kasan_init.o KASAN_SANITIZE_kasan_init.o := n + +obj-$(CONFIG_REPLICATE_KTEXT) += ktext.o diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 8a0f8604348b..4110e9396d86 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -36,6 +36,7 @@ #include <asm/fixmap.h> #include <asm/kasan.h> #include <asm/kernel-pgtable.h> +#include <asm/ktext.h> #include <asm/kvm_host.h> #include <asm/memory.h> #include <asm/numa.h> @@ -452,6 +453,8 @@ void __init bootmem_init(void) arch_numa_init(); + ktext_replication_init(); + /* * must be done after arch_numa_init() which calls numa_init() to * initialize node_online_map that gets used in hugetlb_cma_reserve() diff --git a/arch/arm64/mm/ktext.c b/arch/arm64/mm/ktext.c new file mode 100644 index 000000000000..3a8d37c9abc4 --- /dev/null +++ b/arch/arm64/mm/ktext.c @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2022, Oracle and/or its affiliates. + */ + +void __init ktext_replication_init(void) +{ +} |