select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
select HAVE_ARCH_KASAN if MMU && !XIP_KERNEL
+ select HAVE_ARCH_KCSAN
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select HAVE_CONTEXT_TRACKING
endif
KASAN_SANITIZE := n
+KCSAN_SANITIZE := n
CFLAGS_REMOVE_inflate.o += -fstack-protector -fstack-protector-strong
CFLAGS_REMOVE_zmem.o += -fstack-protector -fstack-protector-strong
#include <asm/core.h>
-#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
-#define rmb() barrier()
-#define wmb() mb()
+#define __mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
+#define __rmb() barrier()
+#define __wmb() __mb()
+
+#ifdef CONFIG_SMP
+#define __smp_mb() __mb()
+#define __smp_rmb() __rmb()
+#define __smp_wmb() __wmb()
+#endif
#if XCHAL_HAVE_S32C1I
#define __smp_mb__before_atomic() barrier()
#if XCHAL_HAVE_EXCLUSIVE
#define BIT_OP(op, insn, inv) \
-static inline void op##_bit(unsigned int bit, volatile unsigned long *p)\
+static inline void arch_##op##_bit(unsigned int bit, volatile unsigned long *p)\
{ \
unsigned long tmp; \
unsigned long mask = 1UL << (bit & 31); \
#define TEST_AND_BIT_OP(op, insn, inv) \
static inline int \
-test_and_##op##_bit(unsigned int bit, volatile unsigned long *p) \
+arch_test_and_##op##_bit(unsigned int bit, volatile unsigned long *p) \
{ \
unsigned long tmp, value; \
unsigned long mask = 1UL << (bit & 31); \
#elif XCHAL_HAVE_S32C1I
#define BIT_OP(op, insn, inv) \
-static inline void op##_bit(unsigned int bit, volatile unsigned long *p)\
+static inline void arch_##op##_bit(unsigned int bit, volatile unsigned long *p)\
{ \
unsigned long tmp, value; \
unsigned long mask = 1UL << (bit & 31); \
#define TEST_AND_BIT_OP(op, insn, inv) \
static inline int \
-test_and_##op##_bit(unsigned int bit, volatile unsigned long *p) \
+arch_test_and_##op##_bit(unsigned int bit, volatile unsigned long *p) \
{ \
unsigned long tmp, value; \
unsigned long mask = 1UL << (bit & 31); \
#undef BIT_OP
#undef TEST_AND_BIT_OP
+#include <asm-generic/bitops/instrumented-atomic.h>
+
#include <asm-generic/bitops/le.h>
#include <asm-generic/bitops/ext2-atomic-setbit.h>
divsi3.o udivsi3.o modsi3.o umodsi3.o mulsi3.o \
usercopy.o strncpy_user.o strnlen_user.o
lib-$(CONFIG_PCI) += pci-auto.o
+lib-$(CONFIG_KCSAN) += kcsan-stubs.o
+KCSAN_SANITIZE_kcsan-stubs.o := n
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bug.h>
+#include <linux/types.h>
+
+void __atomic_store_8(volatile void *p, u64 v, int i)
+{
+ BUG();
+}
+
+u64 __atomic_load_8(const volatile void *p, int i)
+{
+ BUG();
+}
+
+u64 __atomic_exchange_8(volatile void *p, u64 v, int i)
+{
+ BUG();
+}
+
+bool __atomic_compare_exchange_8(volatile void *p1, void *p2, u64 v, bool b, int i1, int i2)
+{
+ BUG();
+}
+
+u64 __atomic_fetch_add_8(volatile void *p, u64 v, int i)
+{
+ BUG();
+}
+
+u64 __atomic_fetch_sub_8(volatile void *p, u64 v, int i)
+{
+ BUG();
+}
+
+u64 __atomic_fetch_and_8(volatile void *p, u64 v, int i)
+{
+ BUG();
+}
+
+u64 __atomic_fetch_or_8(volatile void *p, u64 v, int i)
+{
+ BUG();
+}
+
+u64 __atomic_fetch_xor_8(volatile void *p, u64 v, int i)
+{
+ BUG();
+}
+
+u64 __atomic_fetch_nand_8(volatile void *p, u64 v, int i)
+{
+ BUG();
+}