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-rw-r--r--arch/sparc/Kconfig1
-rw-r--r--arch/sparc/include/asm/atomic_32.h18
-rw-r--r--arch/sparc/include/asm/atomic_64.h29
-rw-r--r--arch/sparc/include/asm/bugs.h18
-rw-r--r--arch/sparc/kernel/ioport.c2
-rw-r--r--arch/sparc/kernel/setup_32.c9
-rw-r--r--arch/sparc/kernel/setup_64.c2
-rw-r--r--arch/sparc/kernel/signal32.c2
-rw-r--r--arch/sparc/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/sparc/mm/fault_64.c3
-rw-r--r--arch/sparc/mm/hugetlbpage.c4
-rw-r--r--arch/sparc/mm/io-unit.c2
-rw-r--r--arch/sparc/mm/iommu.c2
-rw-r--r--arch/sparc/mm/tlb.c2
-rw-r--r--arch/sparc/prom/bootstr_32.c2
15 files changed, 58 insertions, 39 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 7297f69635cb..6197b87f2b3b 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -52,6 +52,7 @@ config SPARC
config SPARC32
def_bool !64BIT
select ARCH_32BIT_OFF_T
+ select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
select ARCH_HAS_SYNC_DMA_FOR_CPU
select CLZ_TAB
select DMA_DIRECT_REMAP
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index d775daa83d12..60ce2fe57fcd 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -19,17 +19,31 @@
#include <asm-generic/atomic64.h>
int arch_atomic_add_return(int, atomic_t *);
+#define arch_atomic_add_return arch_atomic_add_return
+
int arch_atomic_fetch_add(int, atomic_t *);
+#define arch_atomic_fetch_add arch_atomic_fetch_add
+
int arch_atomic_fetch_and(int, atomic_t *);
+#define arch_atomic_fetch_and arch_atomic_fetch_and
+
int arch_atomic_fetch_or(int, atomic_t *);
+#define arch_atomic_fetch_or arch_atomic_fetch_or
+
int arch_atomic_fetch_xor(int, atomic_t *);
+#define arch_atomic_fetch_xor arch_atomic_fetch_xor
+
int arch_atomic_cmpxchg(atomic_t *, int, int);
+#define arch_atomic_cmpxchg arch_atomic_cmpxchg
+
int arch_atomic_xchg(atomic_t *, int);
-int arch_atomic_fetch_add_unless(atomic_t *, int, int);
-void arch_atomic_set(atomic_t *, int);
+#define arch_atomic_xchg arch_atomic_xchg
+int arch_atomic_fetch_add_unless(atomic_t *, int, int);
#define arch_atomic_fetch_add_unless arch_atomic_fetch_add_unless
+void arch_atomic_set(atomic_t *, int);
+
#define arch_atomic_set_release(v, i) arch_atomic_set((v), (i))
#define arch_atomic_read(v) READ_ONCE((v)->counter)
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index 077891686715..a5e9c37605a7 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -37,6 +37,16 @@ s64 arch_atomic64_fetch_##op(s64, atomic64_t *);
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
+
+#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 ATOMIC_OPS
#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_FETCH_OP(op)
@@ -44,22 +54,19 @@ 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
+
+#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 ATOMIC_OPS
#undef ATOMIC_FETCH_OP
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
-#define arch_atomic_cmpxchg(v, o, n) (arch_cmpxchg(&((v)->counter), (o), (n)))
-
-static inline int arch_atomic_xchg(atomic_t *v, int new)
-{
- return arch_xchg(&v->counter, new);
-}
-
-#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))
-
s64 arch_atomic64_dec_if_positive(atomic64_t *v);
#define arch_atomic64_dec_if_positive arch_atomic64_dec_if_positive
diff --git a/arch/sparc/include/asm/bugs.h b/arch/sparc/include/asm/bugs.h
deleted file mode 100644
index 02fa369b9c21..000000000000
--- a/arch/sparc/include/asm/bugs.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* include/asm/bugs.h: Sparc probes for various bugs.
- *
- * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net)
- */
-
-#ifdef CONFIG_SPARC32
-#include <asm/cpudata.h>
-#endif
-
-extern unsigned long loops_per_jiffy;
-
-static void __init check_bugs(void)
-{
-#if defined(CONFIG_SPARC32) && !defined(CONFIG_SMP)
- cpu_data(0).udelay_val = loops_per_jiffy;
-#endif
-}
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 4e4f3d3263e4..a8cbe403301f 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -191,7 +191,7 @@ static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys,
tack += sizeof (struct resource);
}
- strlcpy(tack, name, XNMLN+1);
+ strscpy(tack, name, XNMLN+1);
res->name = tack;
va = _sparc_ioremap(res, busno, phys, size);
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index c8e0dd99f370..1adf5c1c16b8 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -302,7 +302,7 @@ void __init setup_arch(char **cmdline_p)
/* Initialize PROM console and command line. */
*cmdline_p = prom_getbootargs();
- strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
+ strscpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
parse_early_param();
boot_flags_init(*cmdline_p);
@@ -412,3 +412,10 @@ static int __init topology_init(void)
}
subsys_initcall(topology_init);
+
+#if defined(CONFIG_SPARC32) && !defined(CONFIG_SMP)
+void __init arch_cpu_finalize_init(void)
+{
+ cpu_data(0).udelay_val = loops_per_jiffy;
+}
+#endif
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 48abee4eee29..6546ca9d4d3f 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -636,7 +636,7 @@ void __init setup_arch(char **cmdline_p)
{
/* Initialize PROM console and command line. */
*cmdline_p = prom_getbootargs();
- strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
+ strscpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
parse_early_param();
boot_flags_init(*cmdline_p);
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index dad38960d1a8..ca450c7bc53f 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -328,6 +328,8 @@ static void flush_signal_insns(unsigned long address)
goto out_irqs_on;
ptep = pte_offset_map(pmdp, address);
+ if (!ptep)
+ goto out_irqs_on;
pte = *ptep;
if (!pte_present(pte))
goto out_unmap;
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index 4398cc6fb68d..faa835f3c54a 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -496,3 +496,4 @@
448 common process_mrelease sys_process_mrelease
449 common futex_waitv sys_futex_waitv
450 common set_mempolicy_home_node sys_set_mempolicy_home_node
+451 common cachestat sys_cachestat
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index d91305de694c..d8a407fbe350 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -99,6 +99,7 @@ static unsigned int get_user_insn(unsigned long tpc)
local_irq_disable();
pmdp = pmd_offset(pudp, tpc);
+again:
if (pmd_none(*pmdp) || unlikely(pmd_bad(*pmdp)))
goto out_irq_enable;
@@ -115,6 +116,8 @@ static unsigned int get_user_insn(unsigned long tpc)
#endif
{
ptep = pte_offset_map(pmdp, tpc);
+ if (!ptep)
+ goto again;
pte = *ptep;
if (pte_present(pte)) {
pa = (pte_pfn(pte) << PAGE_SHIFT);
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index d8e0e3c7038d..d7018823206c 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -298,7 +298,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
return NULL;
if (sz >= PMD_SIZE)
return (pte_t *)pmd;
- return pte_alloc_map(mm, pmd, addr);
+ return pte_alloc_huge(mm, pmd, addr);
}
pte_t *huge_pte_offset(struct mm_struct *mm,
@@ -325,7 +325,7 @@ pte_t *huge_pte_offset(struct mm_struct *mm,
return NULL;
if (is_hugetlb_pmd(*pmd))
return (pte_t *)pmd;
- return pte_offset_map(pmd, addr);
+ return pte_offset_huge(pmd, addr);
}
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index bf3e6d2fe5d9..133dd42570d6 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -244,7 +244,7 @@ static void *iounit_alloc(struct device *dev, size_t len,
long i;
pmdp = pmd_off_k(addr);
- ptep = pte_offset_map(pmdp, addr);
+ ptep = pte_offset_kernel(pmdp, addr);
set_pte(ptep, mk_pte(virt_to_page(page), dvma_prot));
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index 9e3f6933ca13..3a6caef68348 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -358,7 +358,7 @@ static void *sbus_iommu_alloc(struct device *dev, size_t len,
__flush_page_to_ram(page);
pmdp = pmd_off_k(addr);
- ptep = pte_offset_map(pmdp, addr);
+ ptep = pte_offset_kernel(pmdp, addr);
set_pte(ptep, mk_pte(virt_to_page(page), dvma_prot));
}
diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c
index 9a725547578e..7ecf8556947a 100644
--- a/arch/sparc/mm/tlb.c
+++ b/arch/sparc/mm/tlb.c
@@ -149,6 +149,8 @@ static void tlb_batch_pmd_scan(struct mm_struct *mm, unsigned long vaddr,
pte_t *pte;
pte = pte_offset_map(&pmd, vaddr);
+ if (!pte)
+ return;
end = vaddr + HPAGE_SIZE;
while (vaddr < end) {
if (pte_val(*pte) & _PAGE_VALID) {
diff --git a/arch/sparc/prom/bootstr_32.c b/arch/sparc/prom/bootstr_32.c
index e3b731ff00f0..1c7cd258b0dc 100644
--- a/arch/sparc/prom/bootstr_32.c
+++ b/arch/sparc/prom/bootstr_32.c
@@ -52,7 +52,7 @@ prom_getbootargs(void)
* V3 PROM cannot supply as with more than 128 bytes
* of an argument. But a smart bootstrap loader can.
*/
- strlcpy(barg_buf, *romvec->pv_v2bootargs.bootargs, sizeof(barg_buf));
+ strscpy(barg_buf, *romvec->pv_v2bootargs.bootargs, sizeof(barg_buf));
break;
default:
break;
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-26 10:09:56 +0300