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-rw-r--r--arch/parisc/Kconfig1
-rw-r--r--arch/parisc/include/asm/assembly.h4
-rw-r--r--arch/parisc/include/asm/atomic.h27
-rw-r--r--arch/parisc/include/asm/bugs.h20
-rw-r--r--arch/parisc/include/asm/pgtable.h3
-rw-r--r--arch/parisc/kernel/process.c4
-rw-r--r--arch/parisc/kernel/smp.c7
7 files changed, 24 insertions, 42 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 967bde65dd0e..c0b4b1c253d1 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -57,6 +57,7 @@ config PARISC
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select HAVE_REGS_AND_STACK_ACCESS_API
+ select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
select GENERIC_SCHED_CLOCK
select GENERIC_IRQ_MIGRATION if SMP
select HAVE_UNSTABLE_SCHED_CLOCK if SMP
diff --git a/arch/parisc/include/asm/assembly.h b/arch/parisc/include/asm/assembly.h
index 0f0d4a496fef..75677b526b2b 100644
--- a/arch/parisc/include/asm/assembly.h
+++ b/arch/parisc/include/asm/assembly.h
@@ -90,10 +90,6 @@
#include <asm/asmregs.h>
#include <asm/psw.h>
- sp = 30
- gp = 27
- ipsw = 22
-
/*
* We provide two versions of each macro to convert from physical
* to virtual and vice versa. The "_r1" versions take one argument
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index dd5a299ada69..d4f023887ff8 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -73,10 +73,6 @@ static __inline__ int arch_atomic_read(const atomic_t *v)
return READ_ONCE((v)->counter);
}
-/* exported interface */
-#define arch_atomic_cmpxchg(v, o, n) (arch_cmpxchg(&((v)->counter), (o), (n)))
-#define arch_atomic_xchg(v, new) (arch_xchg(&((v)->counter), new))
-
#define ATOMIC_OP(op, c_op) \
static __inline__ void arch_atomic_##op(int i, atomic_t *v) \
{ \
@@ -122,6 +118,11 @@ static __inline__ int arch_atomic_fetch_##op(int i, atomic_t *v) \
ATOMIC_OPS(add, +=)
ATOMIC_OPS(sub, -=)
+#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
+
#undef ATOMIC_OPS
#define ATOMIC_OPS(op, c_op) \
ATOMIC_OP(op, c_op) \
@@ -131,6 +132,10 @@ ATOMIC_OPS(and, &=)
ATOMIC_OPS(or, |=)
ATOMIC_OPS(xor, ^=)
+#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
+
#undef ATOMIC_OPS
#undef ATOMIC_FETCH_OP
#undef ATOMIC_OP_RETURN
@@ -185,6 +190,11 @@ static __inline__ s64 arch_atomic64_fetch_##op(s64 i, atomic64_t *v) \
ATOMIC64_OPS(add, +=)
ATOMIC64_OPS(sub, -=)
+#define arch_atomic64_add_return arch_atomic64_add_return
+#define arch_atomic64_sub_return arch_atomic64_sub_return
+#define arch_atomic64_fetch_add arch_atomic64_fetch_add
+#define arch_atomic64_fetch_sub arch_atomic64_fetch_sub
+
#undef ATOMIC64_OPS
#define ATOMIC64_OPS(op, c_op) \
ATOMIC64_OP(op, c_op) \
@@ -194,6 +204,10 @@ ATOMIC64_OPS(and, &=)
ATOMIC64_OPS(or, |=)
ATOMIC64_OPS(xor, ^=)
+#define arch_atomic64_fetch_and arch_atomic64_fetch_and
+#define arch_atomic64_fetch_or arch_atomic64_fetch_or
+#define arch_atomic64_fetch_xor arch_atomic64_fetch_xor
+
#undef ATOMIC64_OPS
#undef ATOMIC64_FETCH_OP
#undef ATOMIC64_OP_RETURN
@@ -218,11 +232,6 @@ arch_atomic64_read(const atomic64_t *v)
return READ_ONCE((v)->counter);
}
-/* exported interface */
-#define arch_atomic64_cmpxchg(v, o, n) \
- ((__typeof__((v)->counter))arch_cmpxchg(&((v)->counter), (o), (n)))
-#define arch_atomic64_xchg(v, new) (arch_xchg(&((v)->counter), new))
-
#endif /* !CONFIG_64BIT */
diff --git a/arch/parisc/include/asm/bugs.h b/arch/parisc/include/asm/bugs.h
deleted file mode 100644
index 0a7f9db6bd1c..000000000000
--- a/arch/parisc/include/asm/bugs.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * include/asm-parisc/bugs.h
- *
- * Copyright (C) 1999 Mike Shaver
- */
-
-/*
- * This is included by init/main.c to check for architecture-dependent bugs.
- *
- * Needs:
- * void check_bugs(void);
- */
-
-#include <asm/processor.h>
-
-static inline void check_bugs(void)
-{
-// identify_cpu(&boot_cpu_data);
-}
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index e715df5385d6..5656395c95ee 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -472,9 +472,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
#define pte_same(A,B) (pte_val(A) == pte_val(B))
-struct seq_file;
-extern void arch_report_meminfo(struct seq_file *m);
-
#endif /* !__ASSEMBLY__ */
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 24411ab79c30..abdbf038d643 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -171,8 +171,8 @@ void __noreturn arch_cpu_idle_dead(void)
local_irq_disable();
- /* Tell __cpu_die() that this CPU is now safe to dispose of. */
- (void)cpu_report_death();
+ /* Tell the core that this CPU is now safe to dispose of. */
+ cpuhp_ap_report_dead();
/* Ensure that the cache lines are written out. */
flush_cache_all_local();
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index b7fc859fa87d..6b6eaa485946 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -500,11 +500,10 @@ int __cpu_disable(void)
void __cpu_die(unsigned int cpu)
{
pdc_cpu_rendezvous_lock();
+}
- if (!cpu_wait_death(cpu, 5)) {
- pr_crit("CPU%u: cpu didn't die\n", cpu);
- return;
- }
+void arch_cpuhp_cleanup_dead_cpu(unsigned int cpu)
+{
pr_info("CPU%u: is shutting down\n", cpu);
/* set task's state to interruptible sleep */