summaryrefslogtreecommitdiff
path: root/arch/arm64/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/include')
-rw-r--r--arch/arm64/include/asm/atomic.h10
-rw-r--r--arch/arm64/include/asm/memory.h10
-rw-r--r--arch/arm64/include/asm/processor.h3
3 files changed, 12 insertions, 11 deletions
diff --git a/arch/arm64/include/asm/atomic.h b/arch/arm64/include/asm/atomic.h
index 015ddffaf6ca..b56a4b2bc248 100644
--- a/arch/arm64/include/asm/atomic.h
+++ b/arch/arm64/include/asm/atomic.h
@@ -17,7 +17,7 @@
#include <asm/lse.h>
#define ATOMIC_OP(op) \
-static inline void arch_##op(int i, atomic_t *v) \
+static __always_inline void arch_##op(int i, atomic_t *v) \
{ \
__lse_ll_sc_body(op, i, v); \
}
@@ -32,7 +32,7 @@ ATOMIC_OP(atomic_sub)
#undef ATOMIC_OP
#define ATOMIC_FETCH_OP(name, op) \
-static inline int arch_##op##name(int i, atomic_t *v) \
+static __always_inline int arch_##op##name(int i, atomic_t *v) \
{ \
return __lse_ll_sc_body(op##name, i, v); \
}
@@ -56,7 +56,7 @@ ATOMIC_FETCH_OPS(atomic_sub_return)
#undef ATOMIC_FETCH_OPS
#define ATOMIC64_OP(op) \
-static inline void arch_##op(long i, atomic64_t *v) \
+static __always_inline void arch_##op(long i, atomic64_t *v) \
{ \
__lse_ll_sc_body(op, i, v); \
}
@@ -71,7 +71,7 @@ ATOMIC64_OP(atomic64_sub)
#undef ATOMIC64_OP
#define ATOMIC64_FETCH_OP(name, op) \
-static inline long arch_##op##name(long i, atomic64_t *v) \
+static __always_inline long arch_##op##name(long i, atomic64_t *v) \
{ \
return __lse_ll_sc_body(op##name, i, v); \
}
@@ -94,7 +94,7 @@ ATOMIC64_FETCH_OPS(atomic64_sub_return)
#undef ATOMIC64_FETCH_OP
#undef ATOMIC64_FETCH_OPS
-static inline long arch_atomic64_dec_if_positive(atomic64_t *v)
+static __always_inline long arch_atomic64_dec_if_positive(atomic64_t *v)
{
return __lse_ll_sc_body(atomic64_dec_if_positive, v);
}
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 18fce223b67b..ff4732785c32 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -247,11 +247,13 @@ static inline const void *__tag_set(const void *addr, u8 tag)
/*
- * The linear kernel range starts at the bottom of the virtual address space.
+ * Check whether an arbitrary address is within the linear map, which
+ * lives in the [PAGE_OFFSET, PAGE_END) interval at the bottom of the
+ * kernel's TTBR1 address range.
*/
-#define __is_lm_address(addr) (((u64)(addr) & ~PAGE_OFFSET) < (PAGE_END - PAGE_OFFSET))
+#define __is_lm_address(addr) (((u64)(addr) - PAGE_OFFSET) < (PAGE_END - PAGE_OFFSET))
-#define __lm_to_phys(addr) (((addr) & ~PAGE_OFFSET) + PHYS_OFFSET)
+#define __lm_to_phys(addr) (((addr) - PAGE_OFFSET) + PHYS_OFFSET)
#define __kimg_to_phys(addr) ((addr) - kimage_voffset)
#define __virt_to_phys_nodebug(x) ({ \
@@ -330,7 +332,7 @@ static inline void *phys_to_virt(phys_addr_t x)
#endif /* !CONFIG_SPARSEMEM_VMEMMAP || CONFIG_DEBUG_VIRTUAL */
#define virt_addr_valid(addr) ({ \
- __typeof__(addr) __addr = addr; \
+ __typeof__(addr) __addr = __tag_reset(addr); \
__is_lm_address(__addr) && pfn_valid(virt_to_pfn(__addr)); \
})
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index 69ad25fbeae4..ca2cd75d3286 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -94,8 +94,7 @@
#endif /* CONFIG_ARM64_FORCE_52BIT */
extern phys_addr_t arm64_dma_phys_limit;
-extern phys_addr_t arm64_dma32_phys_limit;
-#define ARCH_LOW_ADDRESS_LIMIT ((arm64_dma_phys_limit ? : arm64_dma32_phys_limit) - 1)
+#define ARCH_LOW_ADDRESS_LIMIT (arm64_dma_phys_limit - 1)
struct debug_info {
#ifdef CONFIG_HAVE_HW_BREAKPOINT