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-rw-r--r--arch/openrisc/include/asm/atomic.h42
-rw-r--r--arch/openrisc/include/asm/barrier.h9
-rw-r--r--arch/openrisc/include/asm/cmpxchg.h4
-rw-r--r--arch/openrisc/include/asm/pgalloc.h2
-rw-r--r--arch/openrisc/include/asm/pgtable.h1
-rw-r--r--arch/openrisc/include/asm/tlbflush.h2
-rw-r--r--arch/openrisc/kernel/asm-offsets.c1
-rw-r--r--arch/openrisc/kernel/setup.c2
-rw-r--r--arch/openrisc/kernel/smp.c2
-rw-r--r--arch/openrisc/mm/init.c6
10 files changed, 41 insertions, 30 deletions
diff --git a/arch/openrisc/include/asm/atomic.h b/arch/openrisc/include/asm/atomic.h
index b589fac39b92..326167e4783a 100644
--- a/arch/openrisc/include/asm/atomic.h
+++ b/arch/openrisc/include/asm/atomic.h
@@ -13,7 +13,7 @@
/* Atomically perform op with v->counter and i */
#define ATOMIC_OP(op) \
-static inline void atomic_##op(int i, atomic_t *v) \
+static inline void arch_atomic_##op(int i, atomic_t *v) \
{ \
int tmp; \
\
@@ -30,7 +30,7 @@ static inline void atomic_##op(int i, atomic_t *v) \
/* Atomically perform op with v->counter and i, return the result */
#define ATOMIC_OP_RETURN(op) \
-static inline int atomic_##op##_return(int i, atomic_t *v) \
+static inline int arch_atomic_##op##_return(int i, atomic_t *v) \
{ \
int tmp; \
\
@@ -49,7 +49,7 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
/* Atomically perform op with v->counter and i, return orig v->counter */
#define ATOMIC_FETCH_OP(op) \
-static inline int atomic_fetch_##op(int i, atomic_t *v) \
+static inline int arch_atomic_fetch_##op(int i, atomic_t *v) \
{ \
int tmp, old; \
\
@@ -75,6 +75,8 @@ ATOMIC_FETCH_OP(and)
ATOMIC_FETCH_OP(or)
ATOMIC_FETCH_OP(xor)
+ATOMIC_OP(add)
+ATOMIC_OP(sub)
ATOMIC_OP(and)
ATOMIC_OP(or)
ATOMIC_OP(xor)
@@ -83,16 +85,18 @@ ATOMIC_OP(xor)
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
-#define atomic_add_return atomic_add_return
-#define atomic_sub_return atomic_sub_return
-#define atomic_fetch_add atomic_fetch_add
-#define atomic_fetch_sub atomic_fetch_sub
-#define atomic_fetch_and atomic_fetch_and
-#define atomic_fetch_or atomic_fetch_or
-#define atomic_fetch_xor atomic_fetch_xor
-#define atomic_and atomic_and
-#define atomic_or atomic_or
-#define atomic_xor atomic_xor
+#define arch_atomic_add_return arch_atomic_add_return
+#define arch_atomic_sub_return arch_atomic_sub_return
+#define arch_atomic_fetch_add arch_atomic_fetch_add
+#define arch_atomic_fetch_sub arch_atomic_fetch_sub
+#define arch_atomic_fetch_and arch_atomic_fetch_and
+#define arch_atomic_fetch_or arch_atomic_fetch_or
+#define arch_atomic_fetch_xor arch_atomic_fetch_xor
+#define arch_atomic_add arch_atomic_add
+#define arch_atomic_sub arch_atomic_sub
+#define arch_atomic_and arch_atomic_and
+#define arch_atomic_or arch_atomic_or
+#define arch_atomic_xor arch_atomic_xor
/*
* Atomically add a to v->counter as long as v is not already u.
@@ -100,7 +104,7 @@ ATOMIC_OP(xor)
*
* This is often used through atomic_inc_not_zero()
*/
-static inline int atomic_fetch_add_unless(atomic_t *v, int a, int u)
+static inline int arch_atomic_fetch_add_unless(atomic_t *v, int a, int u)
{
int old, tmp;
@@ -119,8 +123,14 @@ static inline int atomic_fetch_add_unless(atomic_t *v, int a, int u)
return old;
}
-#define atomic_fetch_add_unless atomic_fetch_add_unless
+#define arch_atomic_fetch_add_unless arch_atomic_fetch_add_unless
-#include <asm-generic/atomic.h>
+#define arch_atomic_read(v) READ_ONCE((v)->counter)
+#define arch_atomic_set(v,i) WRITE_ONCE((v)->counter, (i))
+
+#include <asm/cmpxchg.h>
+
+#define arch_atomic_xchg(ptr, v) (arch_xchg(&(ptr)->counter, (v)))
+#define arch_atomic_cmpxchg(v, old, new) (arch_cmpxchg(&((v)->counter), (old), (new)))
#endif /* __ASM_OPENRISC_ATOMIC_H */
diff --git a/arch/openrisc/include/asm/barrier.h b/arch/openrisc/include/asm/barrier.h
new file mode 100644
index 000000000000..7538294721be
--- /dev/null
+++ b/arch/openrisc/include/asm/barrier.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_BARRIER_H
+#define __ASM_BARRIER_H
+
+#define mb() asm volatile ("l.msync" ::: "memory")
+
+#include <asm-generic/barrier.h>
+
+#endif /* __ASM_BARRIER_H */
diff --git a/arch/openrisc/include/asm/cmpxchg.h b/arch/openrisc/include/asm/cmpxchg.h
index f9cd43a39d72..79fd16162ccb 100644
--- a/arch/openrisc/include/asm/cmpxchg.h
+++ b/arch/openrisc/include/asm/cmpxchg.h
@@ -132,7 +132,7 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
}
}
-#define cmpxchg(ptr, o, n) \
+#define arch_cmpxchg(ptr, o, n) \
({ \
(__typeof__(*(ptr))) __cmpxchg((ptr), \
(unsigned long)(o), \
@@ -161,7 +161,7 @@ static inline unsigned long __xchg(volatile void *ptr, unsigned long with,
}
}
-#define xchg(ptr, with) \
+#define arch_xchg(ptr, with) \
({ \
(__typeof__(*(ptr))) __xchg((ptr), \
(unsigned long)(with), \
diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h
index 88820299ecc4..b7b2b8d16fad 100644
--- a/arch/openrisc/include/asm/pgalloc.h
+++ b/arch/openrisc/include/asm/pgalloc.h
@@ -72,6 +72,4 @@ do { \
tlb_remove_page((tlb), (pte)); \
} while (0)
-#define pmd_pgtable(pmd) pmd_page(pmd)
-
#endif
diff --git a/arch/openrisc/include/asm/pgtable.h b/arch/openrisc/include/asm/pgtable.h
index 9425bedab4fc..4ac591c9ca33 100644
--- a/arch/openrisc/include/asm/pgtable.h
+++ b/arch/openrisc/include/asm/pgtable.h
@@ -73,7 +73,6 @@ extern void paging_init(void);
*/
#define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE)
-#define FIRST_USER_ADDRESS 0UL
/*
* Kernels own virtual memory area.
diff --git a/arch/openrisc/include/asm/tlbflush.h b/arch/openrisc/include/asm/tlbflush.h
index 185dcd3731ed..dbf030365ab4 100644
--- a/arch/openrisc/include/asm/tlbflush.h
+++ b/arch/openrisc/include/asm/tlbflush.h
@@ -25,7 +25,7 @@
* - flush_tlb_all() flushes all processes TLBs
* - flush_tlb_mm(mm) flushes the specified mm context TLB's
* - flush_tlb_page(vma, vmaddr) flushes one page
- * - flush_tlb_range(mm, start, end) flushes a range of pages
+ * - flush_tlb_range(vma, start, end) flushes a range of pages
*/
extern void local_flush_tlb_all(void);
extern void local_flush_tlb_mm(struct mm_struct *mm);
diff --git a/arch/openrisc/kernel/asm-offsets.c b/arch/openrisc/kernel/asm-offsets.c
index 18c703d1d761..710651d5aaae 100644
--- a/arch/openrisc/kernel/asm-offsets.c
+++ b/arch/openrisc/kernel/asm-offsets.c
@@ -37,7 +37,6 @@
int main(void)
{
/* offsets into the task_struct */
- DEFINE(TASK_STATE, offsetof(struct task_struct, state));
DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c
index 2416a9f91533..c6f9e7b9f7cb 100644
--- a/arch/openrisc/kernel/setup.c
+++ b/arch/openrisc/kernel/setup.c
@@ -278,6 +278,8 @@ void calibrate_delay(void)
pr_cont("%lu.%02lu BogoMIPS (lpj=%lu)\n",
loops_per_jiffy / (500000 / HZ),
(loops_per_jiffy / (5000 / HZ)) % 100, loops_per_jiffy);
+
+ of_node_put(cpu);
}
void __init setup_arch(char **cmdline_p)
diff --git a/arch/openrisc/kernel/smp.c b/arch/openrisc/kernel/smp.c
index 48e1092a64de..415e209732a3 100644
--- a/arch/openrisc/kernel/smp.c
+++ b/arch/openrisc/kernel/smp.c
@@ -145,8 +145,6 @@ asmlinkage __init void secondary_start_kernel(void)
set_cpu_online(cpu, true);
local_irq_enable();
-
- preempt_disable();
/*
* OK, it's off to the idle thread for us
*/
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index d5641198b90c..cfef61a7b6c2 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -75,7 +75,6 @@ static void __init map_ram(void)
/* These mark extents of read-only kernel pages...
* ...from vmlinux.lds.S
*/
- struct memblock_region *region;
v = PAGE_OFFSET;
@@ -121,7 +120,7 @@ static void __init map_ram(void)
}
printk(KERN_INFO "%s: Memory: 0x%x-0x%x\n", __func__,
- region->base, region->base + region->size);
+ start, end);
}
}
@@ -129,7 +128,6 @@ void __init paging_init(void)
{
extern void tlb_init(void);
- unsigned long end;
int i;
printk(KERN_INFO "Setting up paging and PTEs.\n");
@@ -145,8 +143,6 @@ void __init paging_init(void)
*/
current_pgd[smp_processor_id()] = init_mm.pgd;
- end = (unsigned long)__va(max_low_pfn * PAGE_SIZE);
-
map_ram();
zone_sizes_init();
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-26 01:15:13 +0300