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-rw-r--r--arch/loongarch/Kconfig3
-rw-r--r--arch/loongarch/include/asm/Kbuild1
-rw-r--r--arch/loongarch/kernel/ptrace.c16
-rw-r--r--arch/loongarch/lib/Makefile2
-rw-r--r--arch/loongarch/lib/crc32-loongarch.c136
5 files changed, 9 insertions, 149 deletions
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 4b19f93379a1..fa3eb87f0999 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -15,7 +15,6 @@ config LOONGARCH
select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
select ARCH_HAS_CPU_FINALIZE_INIT
- select ARCH_HAS_CRC32
select ARCH_HAS_CURRENT_STACK_POINTER
select ARCH_HAS_DEBUG_VM_PGTABLE
select ARCH_HAS_FAST_MULTIPLIER
@@ -120,11 +119,11 @@ config LOONGARCH
select HAVE_ARCH_KASAN
select HAVE_ARCH_KFENCE
select HAVE_ARCH_KGDB if PERF_EVENTS
+ select HAVE_ARCH_KSTACK_ERASE
select HAVE_ARCH_MMAP_RND_BITS if MMU
select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET
select HAVE_ARCH_SECCOMP
select HAVE_ARCH_SECCOMP_FILTER
- select HAVE_ARCH_STACKLEAK
select HAVE_ARCH_TRACEHOOK
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
select HAVE_ARCH_USERFAULTFD_MINOR if USERFAULTFD
diff --git a/arch/loongarch/include/asm/Kbuild b/arch/loongarch/include/asm/Kbuild
index 80ddb5edb845..b04d2cef935f 100644
--- a/arch/loongarch/include/asm/Kbuild
+++ b/arch/loongarch/include/asm/Kbuild
@@ -10,5 +10,4 @@ generic-y += user.h
generic-y += ioctl.h
generic-y += mmzone.h
generic-y += statfs.h
-generic-y += param.h
generic-y += text-patching.h
diff --git a/arch/loongarch/kernel/ptrace.c b/arch/loongarch/kernel/ptrace.c
index 5e2402cfcab0..8edd0954e55a 100644
--- a/arch/loongarch/kernel/ptrace.c
+++ b/arch/loongarch/kernel/ptrace.c
@@ -864,7 +864,7 @@ enum loongarch_regset {
static const struct user_regset loongarch64_regsets[] = {
[REGSET_GPR] = {
- .core_note_type = NT_PRSTATUS,
+ USER_REGSET_NOTE_TYPE(PRSTATUS),
.n = ELF_NGREG,
.size = sizeof(elf_greg_t),
.align = sizeof(elf_greg_t),
@@ -872,7 +872,7 @@ static const struct user_regset loongarch64_regsets[] = {
.set = gpr_set,
},
[REGSET_FPR] = {
- .core_note_type = NT_PRFPREG,
+ USER_REGSET_NOTE_TYPE(PRFPREG),
.n = ELF_NFPREG,
.size = sizeof(elf_fpreg_t),
.align = sizeof(elf_fpreg_t),
@@ -880,7 +880,7 @@ static const struct user_regset loongarch64_regsets[] = {
.set = fpr_set,
},
[REGSET_CPUCFG] = {
- .core_note_type = NT_LOONGARCH_CPUCFG,
+ USER_REGSET_NOTE_TYPE(LOONGARCH_CPUCFG),
.n = 64,
.size = sizeof(u32),
.align = sizeof(u32),
@@ -889,7 +889,7 @@ static const struct user_regset loongarch64_regsets[] = {
},
#ifdef CONFIG_CPU_HAS_LSX
[REGSET_LSX] = {
- .core_note_type = NT_LOONGARCH_LSX,
+ USER_REGSET_NOTE_TYPE(LOONGARCH_LSX),
.n = NUM_FPU_REGS,
.size = 16,
.align = 16,
@@ -899,7 +899,7 @@ static const struct user_regset loongarch64_regsets[] = {
#endif
#ifdef CONFIG_CPU_HAS_LASX
[REGSET_LASX] = {
- .core_note_type = NT_LOONGARCH_LASX,
+ USER_REGSET_NOTE_TYPE(LOONGARCH_LASX),
.n = NUM_FPU_REGS,
.size = 32,
.align = 32,
@@ -909,7 +909,7 @@ static const struct user_regset loongarch64_regsets[] = {
#endif
#ifdef CONFIG_CPU_HAS_LBT
[REGSET_LBT] = {
- .core_note_type = NT_LOONGARCH_LBT,
+ USER_REGSET_NOTE_TYPE(LOONGARCH_LBT),
.n = 5,
.size = sizeof(u64),
.align = sizeof(u64),
@@ -919,7 +919,7 @@ static const struct user_regset loongarch64_regsets[] = {
#endif
#ifdef CONFIG_HAVE_HW_BREAKPOINT
[REGSET_HW_BREAK] = {
- .core_note_type = NT_LOONGARCH_HW_BREAK,
+ USER_REGSET_NOTE_TYPE(LOONGARCH_HW_BREAK),
.n = sizeof(struct user_watch_state_v2) / sizeof(u32),
.size = sizeof(u32),
.align = sizeof(u32),
@@ -927,7 +927,7 @@ static const struct user_regset loongarch64_regsets[] = {
.set = hw_break_set,
},
[REGSET_HW_WATCH] = {
- .core_note_type = NT_LOONGARCH_HW_WATCH,
+ USER_REGSET_NOTE_TYPE(LOONGARCH_HW_WATCH),
.n = sizeof(struct user_watch_state_v2) / sizeof(u32),
.size = sizeof(u32),
.align = sizeof(u32),
diff --git a/arch/loongarch/lib/Makefile b/arch/loongarch/lib/Makefile
index fae77809048b..ccea3bbd4353 100644
--- a/arch/loongarch/lib/Makefile
+++ b/arch/loongarch/lib/Makefile
@@ -11,5 +11,3 @@ obj-$(CONFIG_ARCH_SUPPORTS_INT128) += tishift.o
obj-$(CONFIG_CPU_HAS_LSX) += xor_simd.o xor_simd_glue.o
obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
-
-obj-$(CONFIG_CRC32_ARCH) += crc32-loongarch.o
diff --git a/arch/loongarch/lib/crc32-loongarch.c b/arch/loongarch/lib/crc32-loongarch.c
deleted file mode 100644
index db22c2ec55e2..000000000000
--- a/arch/loongarch/lib/crc32-loongarch.c
+++ /dev/null
@@ -1,136 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * CRC32 and CRC32C using LoongArch crc* instructions
- *
- * Module based on mips/crypto/crc32-mips.c
- *
- * Copyright (C) 2014 Linaro Ltd <yazen.ghannam@linaro.org>
- * Copyright (C) 2018 MIPS Tech, LLC
- * Copyright (C) 2020-2023 Loongson Technology Corporation Limited
- */
-
-#include <asm/cpu-features.h>
-#include <linux/crc32.h>
-#include <linux/export.h>
-#include <linux/module.h>
-#include <linux/unaligned.h>
-
-#define _CRC32(crc, value, size, type) \
-do { \
- __asm__ __volatile__( \
- #type ".w." #size ".w" " %0, %1, %0\n\t"\
- : "+r" (crc) \
- : "r" (value) \
- : "memory"); \
-} while (0)
-
-#define CRC32(crc, value, size) _CRC32(crc, value, size, crc)
-#define CRC32C(crc, value, size) _CRC32(crc, value, size, crcc)
-
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_crc32);
-
-u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
-{
- if (!static_branch_likely(&have_crc32))
- return crc32_le_base(crc, p, len);
-
- while (len >= sizeof(u64)) {
- u64 value = get_unaligned_le64(p);
-
- CRC32(crc, value, d);
- p += sizeof(u64);
- len -= sizeof(u64);
- }
-
- if (len & sizeof(u32)) {
- u32 value = get_unaligned_le32(p);
-
- CRC32(crc, value, w);
- p += sizeof(u32);
- }
-
- if (len & sizeof(u16)) {
- u16 value = get_unaligned_le16(p);
-
- CRC32(crc, value, h);
- p += sizeof(u16);
- }
-
- if (len & sizeof(u8)) {
- u8 value = *p++;
-
- CRC32(crc, value, b);
- }
-
- return crc;
-}
-EXPORT_SYMBOL(crc32_le_arch);
-
-u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
-{
- if (!static_branch_likely(&have_crc32))
- return crc32c_base(crc, p, len);
-
- while (len >= sizeof(u64)) {
- u64 value = get_unaligned_le64(p);
-
- CRC32C(crc, value, d);
- p += sizeof(u64);
- len -= sizeof(u64);
- }
-
- if (len & sizeof(u32)) {
- u32 value = get_unaligned_le32(p);
-
- CRC32C(crc, value, w);
- p += sizeof(u32);
- }
-
- if (len & sizeof(u16)) {
- u16 value = get_unaligned_le16(p);
-
- CRC32C(crc, value, h);
- p += sizeof(u16);
- }
-
- if (len & sizeof(u8)) {
- u8 value = *p++;
-
- CRC32C(crc, value, b);
- }
-
- return crc;
-}
-EXPORT_SYMBOL(crc32c_arch);
-
-u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
-{
- return crc32_be_base(crc, p, len);
-}
-EXPORT_SYMBOL(crc32_be_arch);
-
-static int __init crc32_loongarch_init(void)
-{
- if (cpu_has_crc32)
- static_branch_enable(&have_crc32);
- return 0;
-}
-subsys_initcall(crc32_loongarch_init);
-
-static void __exit crc32_loongarch_exit(void)
-{
-}
-module_exit(crc32_loongarch_exit);
-
-u32 crc32_optimizations(void)
-{
- if (static_key_enabled(&have_crc32))
- return CRC32_LE_OPTIMIZATION | CRC32C_OPTIMIZATION;
- return 0;
-}
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_AUTHOR("Min Zhou <zhoumin@loongson.cn>");
-MODULE_AUTHOR("Huacai Chen <chenhuacai@loongson.cn>");
-MODULE_DESCRIPTION("CRC32 and CRC32C using LoongArch crc* instructions");
-MODULE_LICENSE("GPL v2");
generated by cgit (git 2.34.1) at 2025-07-29 14:00:03 +0000