diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index d4efc182662a..f2c690ee75d1 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -16,7 +16,7 @@ CFLAGS_code-patching.o += -DDISABLE_BRANCH_PROFILING CFLAGS_feature-fixups.o += -DDISABLE_BRANCH_PROFILING endif -obj-y += alloc.o code-patching.o feature-fixups.o pmem.o inst.o test_code-patching.o +obj-y += alloc.o code-patching.o feature-fixups.o pmem.o test_code-patching.o ifndef CONFIG_KASAN obj-y += string.o memcmp_$(BITS).o diff --git a/arch/powerpc/lib/inst.c b/arch/powerpc/lib/inst.c deleted file mode 100644 index e554d1357f2f..000000000000 --- a/arch/powerpc/lib/inst.c +++ /dev/null @@ -1,26 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright 2020, IBM Corporation. - */ - -#include -#include -#include -#include - -int copy_inst_from_kernel_nofault(struct ppc_inst *inst, struct ppc_inst *src) -{ - unsigned int val, suffix; - int err; - - err = copy_from_kernel_nofault(&val, src, sizeof(val)); - if (err) - return err; - if (IS_ENABLED(CONFIG_PPC64) && get_op(val) == OP_PREFIX) { - err = copy_from_kernel_nofault(&suffix, (void *)src + 4, 4); - *inst = ppc_inst_prefix(val, suffix); - } else { - *inst = ppc_inst(val); - } - return err; -} diff --git a/arch/powerpc/mm/maccess.c b/arch/powerpc/mm/maccess.c index fa9a7a718fc6..a3c30a884076 100644 --- a/arch/powerpc/mm/maccess.c +++ b/arch/powerpc/mm/maccess.c @@ -3,7 +3,28 @@ #include #include +#include +#include +#include + bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size) { return is_kernel_addr((unsigned long)unsafe_src); } + +int copy_inst_from_kernel_nofault(struct ppc_inst *inst, struct ppc_inst *src) +{ + unsigned int val, suffix; + int err; + + err = copy_from_kernel_nofault(&val, src, sizeof(val)); + if (err) + return err; + if (IS_ENABLED(CONFIG_PPC64) && get_op(val) == OP_PREFIX) { + err = copy_from_kernel_nofault(&suffix, (void *)src + 4, 4); + *inst = ppc_inst_prefix(val, suffix); + } else { + *inst = ppc_inst(val); + } + return err; +}