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-rw-r--r--arch/sh/Kconfig2
-rw-r--r--arch/sh/drivers/dma/dma-api.c2
-rw-r--r--arch/sh/include/asm/atomic-grb.h9
-rw-r--r--arch/sh/include/asm/atomic-irq.h9
-rw-r--r--arch/sh/include/asm/atomic-llsc.h9
-rw-r--r--arch/sh/include/asm/atomic.h3
-rw-r--r--arch/sh/include/asm/bugs.h74
-rw-r--r--arch/sh/include/asm/cache.h6
-rw-r--r--arch/sh/include/asm/irq.h1
-rw-r--r--arch/sh/include/asm/page.h6
-rw-r--r--arch/sh/include/asm/processor.h2
-rw-r--r--arch/sh/include/asm/rtc.h2
-rw-r--r--arch/sh/include/asm/thread_info.h3
-rw-r--r--arch/sh/kernel/idle.c1
-rw-r--r--arch/sh/kernel/setup.c59
-rw-r--r--arch/sh/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/sh/mm/fault.c17
-rw-r--r--arch/sh/mm/hugetlbpage.c4
18 files changed, 101 insertions, 109 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 9652d367fc37..2b3ce4fd3956 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -6,6 +6,7 @@ config SUPERH
select ARCH_ENABLE_MEMORY_HOTREMOVE if SPARSEMEM && MMU
select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
select ARCH_HAS_BINFMT_FLAT if !MMU
+ select ARCH_HAS_CPU_FINALIZE_INIT
select ARCH_HAS_CURRENT_STACK_POINTER
select ARCH_HAS_GIGANTIC_PAGE
select ARCH_HAS_GCOV_PROFILE_ALL
@@ -59,6 +60,7 @@ config SUPERH
select HAVE_STACKPROTECTOR
select HAVE_SYSCALL_TRACEPOINTS
select IRQ_FORCED_THREADING
+ select LOCK_MM_AND_FIND_VMA
select MODULES_USE_ELF_RELA
select NEED_SG_DMA_LENGTH
select NO_DMA if !MMU && !DMA_COHERENT
diff --git a/arch/sh/drivers/dma/dma-api.c b/arch/sh/drivers/dma/dma-api.c
index ab9170494dcc..89cd4a3b4cca 100644
--- a/arch/sh/drivers/dma/dma-api.c
+++ b/arch/sh/drivers/dma/dma-api.c
@@ -198,7 +198,7 @@ int request_dma(unsigned int chan, const char *dev_id)
if (atomic_xchg(&channel->busy, 1))
return -EBUSY;
- strlcpy(channel->dev_id, dev_id, sizeof(channel->dev_id));
+ strscpy(channel->dev_id, dev_id, sizeof(channel->dev_id));
if (info->ops->request) {
result = info->ops->request(channel);
diff --git a/arch/sh/include/asm/atomic-grb.h b/arch/sh/include/asm/atomic-grb.h
index 059791fd394f..cf1c10f15528 100644
--- a/arch/sh/include/asm/atomic-grb.h
+++ b/arch/sh/include/asm/atomic-grb.h
@@ -71,6 +71,11 @@ 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) ATOMIC_OP(op) ATOMIC_FETCH_OP(op)
@@ -78,6 +83,10 @@ 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
diff --git a/arch/sh/include/asm/atomic-irq.h b/arch/sh/include/asm/atomic-irq.h
index 7665de9d00d0..b4090cc35493 100644
--- a/arch/sh/include/asm/atomic-irq.h
+++ b/arch/sh/include/asm/atomic-irq.h
@@ -55,6 +55,11 @@ 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) \
@@ -64,6 +69,10 @@ 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
diff --git a/arch/sh/include/asm/atomic-llsc.h b/arch/sh/include/asm/atomic-llsc.h
index b63dcfbfa14e..9ef1fb1dd12e 100644
--- a/arch/sh/include/asm/atomic-llsc.h
+++ b/arch/sh/include/asm/atomic-llsc.h
@@ -73,6 +73,11 @@ 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) ATOMIC_OP(op) ATOMIC_FETCH_OP(op)
@@ -80,6 +85,10 @@ 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
diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h
index 528bfeda78f5..7a18cb2a1c1a 100644
--- a/arch/sh/include/asm/atomic.h
+++ b/arch/sh/include/asm/atomic.h
@@ -30,9 +30,6 @@
#include <asm/atomic-irq.h>
#endif
-#define arch_atomic_xchg(v, new) (arch_xchg(&((v)->counter), new))
-#define arch_atomic_cmpxchg(v, o, n) (arch_cmpxchg(&((v)->counter), (o), (n)))
-
#endif /* CONFIG_CPU_J2 */
#endif /* __ASM_SH_ATOMIC_H */
diff --git a/arch/sh/include/asm/bugs.h b/arch/sh/include/asm/bugs.h
deleted file mode 100644
index fe52abb69cea..000000000000
--- a/arch/sh/include/asm/bugs.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_SH_BUGS_H
-#define __ASM_SH_BUGS_H
-
-/*
- * This is included by init/main.c to check for architecture-dependent bugs.
- *
- * Needs:
- * void check_bugs(void);
- */
-
-/*
- * I don't know of any Super-H bugs yet.
- */
-
-#include <asm/processor.h>
-
-extern void select_idle_routine(void);
-
-static void __init check_bugs(void)
-{
- extern unsigned long loops_per_jiffy;
- char *p = &init_utsname()->machine[2]; /* "sh" */
-
- select_idle_routine();
-
- current_cpu_data.loops_per_jiffy = loops_per_jiffy;
-
- switch (current_cpu_data.family) {
- case CPU_FAMILY_SH2:
- *p++ = '2';
- break;
- case CPU_FAMILY_SH2A:
- *p++ = '2';
- *p++ = 'a';
- break;
- case CPU_FAMILY_SH3:
- *p++ = '3';
- break;
- case CPU_FAMILY_SH4:
- *p++ = '4';
- break;
- case CPU_FAMILY_SH4A:
- *p++ = '4';
- *p++ = 'a';
- break;
- case CPU_FAMILY_SH4AL_DSP:
- *p++ = '4';
- *p++ = 'a';
- *p++ = 'l';
- *p++ = '-';
- *p++ = 'd';
- *p++ = 's';
- *p++ = 'p';
- break;
- case CPU_FAMILY_UNKNOWN:
- /*
- * Specifically use CPU_FAMILY_UNKNOWN rather than
- * default:, so we're able to have the compiler whine
- * about unhandled enumerations.
- */
- break;
- }
-
- printk("CPU: %s\n", get_cpu_subtype(&current_cpu_data));
-
-#ifndef __LITTLE_ENDIAN__
- /* 'eb' means 'Endian Big' */
- *p++ = 'e';
- *p++ = 'b';
-#endif
- *p = '\0';
-}
-#endif /* __ASM_SH_BUGS_H */
diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h
index 32dfa6b82ec6..b38dbc975581 100644
--- a/arch/sh/include/asm/cache.h
+++ b/arch/sh/include/asm/cache.h
@@ -14,6 +14,12 @@
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+/*
+ * Some drivers need to perform DMA into kmalloc'ed buffers
+ * and so we have to increase the kmalloc minalign for this.
+ */
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
+
#define __read_mostly __section(".data..read_mostly")
#ifndef __ASSEMBLY__
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h
index 1c4923502fd4..0f384b1f45ca 100644
--- a/arch/sh/include/asm/irq.h
+++ b/arch/sh/include/asm/irq.h
@@ -22,7 +22,6 @@ extern unsigned short *irq_mask_register;
/*
* PINT IRQs
*/
-void init_IRQ_pint(void);
void make_imask_irq(unsigned int irq);
static inline int generic_irq_demux(int irq)
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 09ac6c7faee0..62f4b9edcb98 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -174,10 +174,4 @@ typedef struct page *pgtable_t;
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
-/*
- * Some drivers need to perform DMA into kmalloc'ed buffers
- * and so we have to increase the kmalloc minalign for this.
- */
-#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
-
#endif /* __ASM_SH_PAGE_H */
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index 85a6c1c3c16e..73fba7c922f9 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -166,6 +166,8 @@ extern unsigned int instruction_size(unsigned int insn);
#define instruction_size(insn) (2)
#endif
+void select_idle_routine(void);
+
#endif /* __ASSEMBLY__ */
#include <asm/processor_32.h>
diff --git a/arch/sh/include/asm/rtc.h b/arch/sh/include/asm/rtc.h
index 69dbae2949b0..7fe7002d1d50 100644
--- a/arch/sh/include/asm/rtc.h
+++ b/arch/sh/include/asm/rtc.h
@@ -2,8 +2,6 @@
#ifndef _ASM_RTC_H
#define _ASM_RTC_H
-void time_init(void);
-
#define RTC_CAP_4_DIGIT_YEAR (1 << 0)
struct sh_rtc_platform_info {
diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index 1400fbb8b423..9f19a682d315 100644
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -84,9 +84,6 @@ static inline struct thread_info *current_thread_info(void)
#define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT)
-extern void arch_task_cache_init(void);
-extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
-extern void arch_release_task_struct(struct task_struct *tsk);
extern void init_thread_xstate(void);
#endif /* __ASSEMBLY__ */
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index d662503b0665..045d93f151fd 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -15,6 +15,7 @@
#include <linux/irqflags.h>
#include <linux/smp.h>
#include <linux/atomic.h>
+#include <asm/processor.h>
#include <asm/smp.h>
#include <asm/bl_bit.h>
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index af977ec4ca5e..b3da2757faaf 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -43,6 +43,7 @@
#include <asm/smp.h>
#include <asm/mmu_context.h>
#include <asm/mmzone.h>
+#include <asm/processor.h>
#include <asm/sparsemem.h>
#include <asm/platform_early.h>
@@ -304,9 +305,9 @@ void __init setup_arch(char **cmdline_p)
bss_resource.end = virt_to_phys(__bss_stop)-1;
#ifdef CONFIG_CMDLINE_OVERWRITE
- strlcpy(command_line, CONFIG_CMDLINE, sizeof(command_line));
+ strscpy(command_line, CONFIG_CMDLINE, sizeof(command_line));
#else
- strlcpy(command_line, COMMAND_LINE, sizeof(command_line));
+ strscpy(command_line, COMMAND_LINE, sizeof(command_line));
#ifdef CONFIG_CMDLINE_EXTEND
strlcat(command_line, " ", sizeof(command_line));
strlcat(command_line, CONFIG_CMDLINE, sizeof(command_line));
@@ -354,3 +355,57 @@ int test_mode_pin(int pin)
{
return sh_mv.mv_mode_pins() & pin;
}
+
+void __init arch_cpu_finalize_init(void)
+{
+ char *p = &init_utsname()->machine[2]; /* "sh" */
+
+ select_idle_routine();
+
+ current_cpu_data.loops_per_jiffy = loops_per_jiffy;
+
+ switch (current_cpu_data.family) {
+ case CPU_FAMILY_SH2:
+ *p++ = '2';
+ break;
+ case CPU_FAMILY_SH2A:
+ *p++ = '2';
+ *p++ = 'a';
+ break;
+ case CPU_FAMILY_SH3:
+ *p++ = '3';
+ break;
+ case CPU_FAMILY_SH4:
+ *p++ = '4';
+ break;
+ case CPU_FAMILY_SH4A:
+ *p++ = '4';
+ *p++ = 'a';
+ break;
+ case CPU_FAMILY_SH4AL_DSP:
+ *p++ = '4';
+ *p++ = 'a';
+ *p++ = 'l';
+ *p++ = '-';
+ *p++ = 'd';
+ *p++ = 's';
+ *p++ = 'p';
+ break;
+ case CPU_FAMILY_UNKNOWN:
+ /*
+ * Specifically use CPU_FAMILY_UNKNOWN rather than
+ * default:, so we're able to have the compiler whine
+ * about unhandled enumerations.
+ */
+ break;
+ }
+
+ pr_info("CPU: %s\n", get_cpu_subtype(&current_cpu_data));
+
+#ifndef __LITTLE_ENDIAN__
+ /* 'eb' means 'Endian Big' */
+ *p++ = 'e';
+ *p++ = 'b';
+#endif
+ *p = '\0';
+}
diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl
index 2de85c977f54..97377e8c5025 100644
--- a/arch/sh/kernel/syscalls/syscall.tbl
+++ b/arch/sh/kernel/syscalls/syscall.tbl
@@ -453,3 +453,4 @@
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/sh/mm/fault.c b/arch/sh/mm/fault.c
index acd2f5e50bfc..06e6b4952924 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -439,21 +439,9 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
}
retry:
- mmap_read_lock(mm);
-
- vma = find_vma(mm, address);
+ vma = lock_mm_and_find_vma(mm, address, regs);
if (unlikely(!vma)) {
- bad_area(regs, error_code, address);
- return;
- }
- if (likely(vma->vm_start <= address))
- goto good_area;
- if (unlikely(!(vma->vm_flags & VM_GROWSDOWN))) {
- bad_area(regs, error_code, address);
- return;
- }
- if (unlikely(expand_stack(vma, address))) {
- bad_area(regs, error_code, address);
+ bad_area_nosemaphore(regs, error_code, address);
return;
}
@@ -461,7 +449,6 @@ retry:
* Ok, we have a good vm_area for this memory access, so
* we can handle it..
*/
-good_area:
if (unlikely(access_error(error_code, vma))) {
bad_area_access_error(regs, error_code, address);
return;
diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c
index 999ab5916e69..6cb0ad73dbb9 100644
--- a/arch/sh/mm/hugetlbpage.c
+++ b/arch/sh/mm/hugetlbpage.c
@@ -38,7 +38,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
if (pud) {
pmd = pmd_alloc(mm, pud, addr);
if (pmd)
- pte = pte_alloc_map(mm, pmd, addr);
+ pte = pte_alloc_huge(mm, pmd, addr);
}
}
}
@@ -63,7 +63,7 @@ pte_t *huge_pte_offset(struct mm_struct *mm,
if (pud) {
pmd = pmd_offset(pud, addr);
if (pmd)
- pte = pte_offset_map(pmd, addr);
+ pte = pte_offset_huge(pmd, addr);
}
}
}
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