aboutsummaryrefslogtreecommitdiffstats
path: root/arch/parisc/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/parisc/include')
-rw-r--r--arch/parisc/include/asm/atomic.h8
-rw-r--r--arch/parisc/include/asm/barrier.h61
-rw-r--r--arch/parisc/include/asm/elf.h3
-rw-r--r--arch/parisc/include/asm/mmu_context.h1
-rw-r--r--arch/parisc/include/asm/pgalloc.h12
-rw-r--r--arch/parisc/include/asm/timex.h1
-rw-r--r--arch/parisc/include/asm/uaccess.h2
7 files changed, 70 insertions, 18 deletions
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index 03862320f779..21b375c67e53 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -34,13 +34,13 @@ extern arch_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned;
/* Can't use raw_spin_lock_irq because of #include problems, so
* this is the substitute */
#define _atomic_spin_lock_irqsave(l,f) do { \
- arch_spinlock_t *s = ATOMIC_HASH(l); \
+ arch_spinlock_t *s = ATOMIC_HASH(l); \
local_irq_save(f); \
arch_spin_lock(s); \
} while(0)
#define _atomic_spin_unlock_irqrestore(l,f) do { \
- arch_spinlock_t *s = ATOMIC_HASH(l); \
+ arch_spinlock_t *s = ATOMIC_HASH(l); \
arch_spin_unlock(s); \
local_irq_restore(f); \
} while(0)
@@ -85,7 +85,7 @@ static __inline__ void atomic_##op(int i, atomic_t *v) \
_atomic_spin_lock_irqsave(v, flags); \
v->counter c_op i; \
_atomic_spin_unlock_irqrestore(v, flags); \
-} \
+}
#define ATOMIC_OP_RETURN(op, c_op) \
static __inline__ int atomic_##op##_return(int i, atomic_t *v) \
@@ -148,7 +148,7 @@ static __inline__ void atomic64_##op(s64 i, atomic64_t *v) \
_atomic_spin_lock_irqsave(v, flags); \
v->counter c_op i; \
_atomic_spin_unlock_irqrestore(v, flags); \
-} \
+}
#define ATOMIC64_OP_RETURN(op, c_op) \
static __inline__ s64 atomic64_##op##_return(s64 i, atomic64_t *v) \
diff --git a/arch/parisc/include/asm/barrier.h b/arch/parisc/include/asm/barrier.h
index dbaaca84f27f..640d46edf32e 100644
--- a/arch/parisc/include/asm/barrier.h
+++ b/arch/parisc/include/asm/barrier.h
@@ -26,6 +26,67 @@
#define __smp_rmb() mb()
#define __smp_wmb() mb()
+#define __smp_store_release(p, v) \
+do { \
+ typeof(p) __p = (p); \
+ union { typeof(*p) __val; char __c[1]; } __u = \
+ { .__val = (__force typeof(*p)) (v) }; \
+ compiletime_assert_atomic_type(*p); \
+ switch (sizeof(*p)) { \
+ case 1: \
+ asm volatile("stb,ma %0,0(%1)" \
+ : : "r"(*(__u8 *)__u.__c), "r"(__p) \
+ : "memory"); \
+ break; \
+ case 2: \
+ asm volatile("sth,ma %0,0(%1)" \
+ : : "r"(*(__u16 *)__u.__c), "r"(__p) \
+ : "memory"); \
+ break; \
+ case 4: \
+ asm volatile("stw,ma %0,0(%1)" \
+ : : "r"(*(__u32 *)__u.__c), "r"(__p) \
+ : "memory"); \
+ break; \
+ case 8: \
+ if (IS_ENABLED(CONFIG_64BIT)) \
+ asm volatile("std,ma %0,0(%1)" \
+ : : "r"(*(__u64 *)__u.__c), "r"(__p) \
+ : "memory"); \
+ break; \
+ } \
+} while (0)
+
+#define __smp_load_acquire(p) \
+({ \
+ union { typeof(*p) __val; char __c[1]; } __u; \
+ typeof(p) __p = (p); \
+ compiletime_assert_atomic_type(*p); \
+ switch (sizeof(*p)) { \
+ case 1: \
+ asm volatile("ldb,ma 0(%1),%0" \
+ : "=r"(*(__u8 *)__u.__c) : "r"(__p) \
+ : "memory"); \
+ break; \
+ case 2: \
+ asm volatile("ldh,ma 0(%1),%0" \
+ : "=r"(*(__u16 *)__u.__c) : "r"(__p) \
+ : "memory"); \
+ break; \
+ case 4: \
+ asm volatile("ldw,ma 0(%1),%0" \
+ : "=r"(*(__u32 *)__u.__c) : "r"(__p) \
+ : "memory"); \
+ break; \
+ case 8: \
+ if (IS_ENABLED(CONFIG_64BIT)) \
+ asm volatile("ldd,ma 0(%1),%0" \
+ : "=r"(*(__u64 *)__u.__c) : "r"(__p) \
+ : "memory"); \
+ break; \
+ } \
+ __u.__val; \
+})
#include <asm-generic/barrier.h>
#endif /* !__ASSEMBLY__ */
diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h
index 301af07a04d4..3bd465a27791 100644
--- a/arch/parisc/include/asm/elf.h
+++ b/arch/parisc/include/asm/elf.h
@@ -305,9 +305,6 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
struct task_struct;
-extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
-#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
-
struct pt_regs; /* forward declaration... */
diff --git a/arch/parisc/include/asm/mmu_context.h b/arch/parisc/include/asm/mmu_context.h
index 07b89c74abeb..cb5f2f730421 100644
--- a/arch/parisc/include/asm/mmu_context.h
+++ b/arch/parisc/include/asm/mmu_context.h
@@ -5,7 +5,6 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/atomic.h>
-#include <asm/pgalloc.h>
#include <asm-generic/mm_hooks.h>
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
index 9ac74da256b8..cc7ecc2ef55d 100644
--- a/arch/parisc/include/asm/pgalloc.h
+++ b/arch/parisc/include/asm/pgalloc.h
@@ -10,7 +10,9 @@
#include <asm/cache.h>
-#include <asm-generic/pgalloc.h> /* for pte_{alloc,free}_one */
+#define __HAVE_ARCH_PMD_FREE
+#define __HAVE_ARCH_PGD_FREE
+#include <asm-generic/pgalloc.h>
/* Allocate the top level pgd (page directory)
*
@@ -65,14 +67,6 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
(__u32)(__pa((unsigned long)pmd) >> PxD_VALUE_SHIFT)));
}
-static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
-{
- pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL, PMD_ORDER);
- if (pmd)
- memset(pmd, 0, PAGE_SIZE<<PMD_ORDER);
- return pmd;
-}
-
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
if (pmd_flag(*pmd) & PxD_FLAG_ATTACHED) {
diff --git a/arch/parisc/include/asm/timex.h b/arch/parisc/include/asm/timex.h
index 45537cd4d1d3..06b510f8172e 100644
--- a/arch/parisc/include/asm/timex.h
+++ b/arch/parisc/include/asm/timex.h
@@ -7,6 +7,7 @@
#ifndef _ASMPARISC_TIMEX_H
#define _ASMPARISC_TIMEX_H
+#include <asm/special_insns.h>
#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index ebbb9ffe038c..ed2cd4fb479b 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -14,7 +14,7 @@
#define KERNEL_DS ((mm_segment_t){0})
#define USER_DS ((mm_segment_t){1})
-#define segment_eq(a, b) ((a).seg == (b).seg)
+#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg)
#define get_fs() (current_thread_info()->addr_limit)
#define set_fs(x) (current_thread_info()->addr_limit = (x))
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-02 09:52:08 +0000