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-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
-rw-r--r--arch/parisc/kernel/cache.c1
-rw-r--r--arch/parisc/kernel/ftrace.c3
-rw-r--r--arch/parisc/kernel/pci-dma.c1
-rw-r--r--arch/parisc/kernel/process.c20
-rw-r--r--arch/parisc/kernel/ptrace.c84
-rw-r--r--arch/parisc/kernel/signal.c1
-rw-r--r--arch/parisc/kernel/smp.c1
-rw-r--r--arch/parisc/kernel/syscalls/syscall.tbl4
-rw-r--r--arch/parisc/mm/fault.c8
-rw-r--r--arch/parisc/mm/hugetlbpage.c1
-rw-r--r--arch/parisc/mm/init.c5
-rw-r--r--arch/parisc/mm/ioremap.c2
19 files changed, 94 insertions, 125 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))
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 1eedfecc5137..b5e1d9f1b440 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -24,7 +24,6 @@
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
#include <asm/page.h>
-#include <asm/pgalloc.h>
#include <asm/processor.h>
#include <asm/sections.h>
#include <asm/shmparam.h>
diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c
index 1df0f67ed667..4bab21c71055 100644
--- a/arch/parisc/kernel/ftrace.c
+++ b/arch/parisc/kernel/ftrace.c
@@ -64,7 +64,8 @@ void notrace __hot ftrace_function_trampoline(unsigned long parent,
function_trace_op, regs);
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
- if (ftrace_graph_return != (trace_func_graph_ret_t) ftrace_stub ||
+ if (dereference_function_descriptor(ftrace_graph_return) !=
+ dereference_function_descriptor(ftrace_stub) ||
ftrace_graph_entry != ftrace_graph_entry_stub) {
unsigned long *parent_rp;
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index 4f1596bb1936..38c68e131bbe 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -32,7 +32,6 @@
#include <asm/dma.h> /* for DMA_CHUNK_SIZE */
#include <asm/io.h>
#include <asm/page.h> /* get_order */
-#include <asm/pgalloc.h>
#include <linux/uaccess.h>
#include <asm/tlbflush.h> /* for purge_tlb_*() macros */
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index de6299ff1530..f196d96e2f9f 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -47,7 +47,6 @@
#include <asm/assembly.h>
#include <asm/pdc.h>
#include <asm/pdc_chassis.h>
-#include <asm/pgalloc.h>
#include <asm/unwind.h>
#include <asm/sections.h>
@@ -153,25 +152,6 @@ void release_thread(struct task_struct *dead_task)
}
/*
- * Fill in the FPU structure for a core dump.
- */
-
-int dump_fpu (struct pt_regs * regs, elf_fpregset_t *r)
-{
- if (regs == NULL)
- return 0;
-
- memcpy(r, regs->fr, sizeof *r);
- return 1;
-}
-
-int dump_task_fpu (struct task_struct *tsk, elf_fpregset_t *r)
-{
- memcpy(r, tsk->thread.regs.fr, sizeof(*r));
- return 1;
-}
-
-/*
* Idle thread support
*
* Detect when running on QEMU with SeaBIOS PDC Firmware and let
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index b51418ad8655..2127974982df 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -391,31 +391,11 @@ void do_syscall_trace_exit(struct pt_regs *regs)
static int fpr_get(struct task_struct *target,
const struct user_regset *regset,
- unsigned int pos, unsigned int count,
- void *kbuf, void __user *ubuf)
+ struct membuf to)
{
struct pt_regs *regs = task_regs(target);
- __u64 *k = kbuf;
- __u64 __user *u = ubuf;
- __u64 reg;
-
- pos /= sizeof(reg);
- count /= sizeof(reg);
-
- if (kbuf)
- for (; count > 0 && pos < ELF_NFPREG; --count)
- *k++ = regs->fr[pos++];
- else
- for (; count > 0 && pos < ELF_NFPREG; --count)
- if (__put_user(regs->fr[pos++], u++))
- return -EFAULT;
- kbuf = k;
- ubuf = u;
- pos *= sizeof(reg);
- count *= sizeof(reg);
- return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
- ELF_NFPREG * sizeof(reg), -1);
+ return membuf_write(&to, regs->fr, ELF_NFPREG * sizeof(__u64));
}
static int fpr_set(struct task_struct *target,
@@ -527,30 +507,14 @@ static void set_reg(struct pt_regs *regs, int num, unsigned long val)
static int gpr_get(struct task_struct *target,
const struct user_regset *regset,
- unsigned int pos, unsigned int count,
- void *kbuf, void __user *ubuf)
+ struct membuf to)
{
struct pt_regs *regs = task_regs(target);
- unsigned long *k = kbuf;
- unsigned long __user *u = ubuf;
- unsigned long reg;
+ unsigned int pos;
- pos /= sizeof(reg);
- count /= sizeof(reg);
-
- if (kbuf)
- for (; count > 0 && pos < ELF_NGREG; --count)
- *k++ = get_reg(regs, pos++);
- else
- for (; count > 0 && pos < ELF_NGREG; --count)
- if (__put_user(get_reg(regs, pos++), u++))
- return -EFAULT;
- kbuf = k;
- ubuf = u;
- pos *= sizeof(reg);
- count *= sizeof(reg);
- return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
- ELF_NGREG * sizeof(reg), -1);
+ for (pos = 0; pos < ELF_NGREG; pos++)
+ membuf_store(&to, get_reg(regs, pos));
+ return 0;
}
static int gpr_set(struct task_struct *target,
@@ -588,12 +552,12 @@ static const struct user_regset native_regsets[] = {
[REGSET_GENERAL] = {
.core_note_type = NT_PRSTATUS, .n = ELF_NGREG,
.size = sizeof(long), .align = sizeof(long),
- .get = gpr_get, .set = gpr_set
+ .regset_get = gpr_get, .set = gpr_set
},
[REGSET_FP] = {
.core_note_type = NT_PRFPREG, .n = ELF_NFPREG,
.size = sizeof(__u64), .align = sizeof(__u64),
- .get = fpr_get, .set = fpr_set
+ .regset_get = fpr_get, .set = fpr_set
}
};
@@ -607,31 +571,15 @@ static const struct user_regset_view user_parisc_native_view = {
static int gpr32_get(struct task_struct *target,
const struct user_regset *regset,
- unsigned int pos, unsigned int count,
- void *kbuf, void __user *ubuf)
+ struct membuf to)
{
struct pt_regs *regs = task_regs(target);
- compat_ulong_t *k = kbuf;
- compat_ulong_t __user *u = ubuf;
- compat_ulong_t reg;
+ unsigned int pos;
- pos /= sizeof(reg);
- count /= sizeof(reg);
+ for (pos = 0; pos < ELF_NGREG; pos++)
+ membuf_store(&to, (compat_ulong_t)get_reg(regs, pos));
- if (kbuf)
- for (; count > 0 && pos < ELF_NGREG; --count)
- *k++ = get_reg(regs, pos++);
- else
- for (; count > 0 && pos < ELF_NGREG; --count)
- if (__put_user((compat_ulong_t) get_reg(regs, pos++), u++))
- return -EFAULT;
-
- kbuf = k;
- ubuf = u;
- pos *= sizeof(reg);
- count *= sizeof(reg);
- return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
- ELF_NGREG * sizeof(reg), -1);
+ return 0;
}
static int gpr32_set(struct task_struct *target,
@@ -672,12 +620,12 @@ static const struct user_regset compat_regsets[] = {
[REGSET_GENERAL] = {
.core_note_type = NT_PRSTATUS, .n = ELF_NGREG,
.size = sizeof(compat_long_t), .align = sizeof(compat_long_t),
- .get = gpr32_get, .set = gpr32_set
+ .regset_get = gpr32_get, .set = gpr32_set
},
[REGSET_FP] = {
.core_note_type = NT_PRFPREG, .n = ELF_NFPREG,
.size = sizeof(__u64), .align = sizeof(__u64),
- .get = fpr_get, .set = fpr_set
+ .regset_get = fpr_get, .set = fpr_set
}
};
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 02895a8f2c55..5df5d4cd5d4c 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -30,7 +30,6 @@
#include <asm/ucontext.h>
#include <asm/rt_sigframe.h>
#include <linux/uaccess.h>
-#include <asm/pgalloc.h>
#include <asm/cacheflush.h>
#include <asm/asm-offsets.h>
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index f8a842ddd82d..6271139d2213 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -39,7 +39,6 @@
#include <asm/irq.h> /* for CPU_IRQ_REGION and friends */
#include <asm/mmu_context.h>
#include <asm/page.h>
-#include <asm/pgalloc.h>
#include <asm/processor.h>
#include <asm/ptrace.h>
#include <asm/unistd.h>
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index 5d76b8f15197..292baabefade 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -198,8 +198,8 @@
178 common rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo
179 common rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend
180 common chown sys_chown
-181 common setsockopt sys_setsockopt compat_sys_setsockopt
-182 common getsockopt sys_getsockopt compat_sys_getsockopt
+181 common setsockopt sys_setsockopt sys_setsockopt
+182 common getsockopt sys_getsockopt sys_getsockopt
183 common sendmsg sys_sendmsg compat_sys_sendmsg
184 common recvmsg sys_recvmsg compat_sys_recvmsg
185 common semop sys_semop
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index 66ac0719bd49..4bfe2da9fbe3 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -18,6 +18,7 @@
#include <linux/extable.h>
#include <linux/uaccess.h>
#include <linux/hugetlb.h>
+#include <linux/perf_event.h>
#include <asm/traps.h>
@@ -281,6 +282,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long code,
acc_type = parisc_acctyp(code, regs->iir);
if (acc_type & VM_WRITE)
flags |= FAULT_FLAG_WRITE;
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
retry:
mmap_read_lock(mm);
vma = find_vma_prev(mm, address, &prev_vma);
@@ -302,7 +304,7 @@ good_area:
* fault.
*/
- fault = handle_mm_fault(vma, address, flags);
+ fault = handle_mm_fault(vma, address, flags, regs);
if (fault_signal_pending(fault, regs))
return;
@@ -323,10 +325,6 @@ good_area:
BUG();
}
if (flags & FAULT_FLAG_ALLOW_RETRY) {
- if (fault & VM_FAULT_MAJOR)
- current->maj_flt++;
- else
- current->min_flt++;
if (fault & VM_FAULT_RETRY) {
/*
* No need to mmap_read_unlock(mm) as we would
diff --git a/arch/parisc/mm/hugetlbpage.c b/arch/parisc/mm/hugetlbpage.c
index 0e1e212f1c96..d7ba014a7fbb 100644
--- a/arch/parisc/mm/hugetlbpage.c
+++ b/arch/parisc/mm/hugetlbpage.c
@@ -15,7 +15,6 @@
#include <linux/sysctl.h>
#include <asm/mman.h>
-#include <asm/pgalloc.h>
#include <asm/tlb.h>
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 39ea464c8bd9..4381b65ae1e0 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -689,11 +689,6 @@ void __init paging_init(void)
flush_cache_all_local(); /* start with known state */
flush_tlb_all_local(NULL);
- /*
- * Mark all memblocks as present for sparsemem using
- * memory_present() and then initialize sparsemem.
- */
- memblocks_present();
sparse_init();
parisc_bootmem_free();
}
diff --git a/arch/parisc/mm/ioremap.c b/arch/parisc/mm/ioremap.c
index 6e7c005aa09b..345ff0b66499 100644
--- a/arch/parisc/mm/ioremap.c
+++ b/arch/parisc/mm/ioremap.c
@@ -11,7 +11,7 @@
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/io.h>
-#include <asm/pgalloc.h>
+#include <linux/mm.h>
/*
* Generic mapping function (not visible outside):
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-30 20:03:02 +0000