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-rw-r--r--arch/arm/include/asm/elf.h4
-rw-r--r--arch/arm/include/asm/fixmap.h4
-rw-r--r--arch/arm/include/asm/hardirq.h11
-rw-r--r--arch/arm/include/asm/highmem.h34
-rw-r--r--arch/arm/include/asm/irq.h2
-rw-r--r--arch/arm/include/asm/kmap_types.h10
-rw-r--r--arch/arm/include/asm/kprobes.h22
-rw-r--r--arch/arm/include/asm/mmu_context.h26
-rw-r--r--arch/arm/include/asm/pgtable-2level.h2
-rw-r--r--arch/arm/include/asm/pgtable-3level.h2
-rw-r--r--arch/arm/include/asm/signal.h2
-rw-r--r--arch/arm/include/uapi/asm/signal.h27
12 files changed, 54 insertions, 92 deletions
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index b078d992414b..61941f369861 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -111,10 +111,6 @@ extern int elf_check_arch(const struct elf32_hdr *);
extern int arm_elf_read_implies_exec(int);
#define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(stk)
-struct task_struct;
-int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
-#define ELF_CORE_COPY_TASK_REGS dump_task_regs
-
#define CORE_DUMP_USE_REGSET
#define ELF_EXEC_PAGESIZE 4096
diff --git a/arch/arm/include/asm/fixmap.h b/arch/arm/include/asm/fixmap.h
index fc56fc3e1931..c279a8a463a2 100644
--- a/arch/arm/include/asm/fixmap.h
+++ b/arch/arm/include/asm/fixmap.h
@@ -7,14 +7,14 @@
#define FIXADDR_TOP (FIXADDR_END - PAGE_SIZE)
#include <linux/pgtable.h>
-#include <asm/kmap_types.h>
+#include <asm/kmap_size.h>
enum fixed_addresses {
FIX_EARLYCON_MEM_BASE,
__end_of_permanent_fixed_addresses,
FIX_KMAP_BEGIN = __end_of_permanent_fixed_addresses,
- FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS) - 1,
+ FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_MAX_IDX * NR_CPUS) - 1,
/* Support writing RO kernel text via kprobes, jump labels, etc. */
FIX_TEXT_POKE0,
diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index b95848ed2bc7..706efafbf972 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -2,16 +2,11 @@
#ifndef __ASM_HARDIRQ_H
#define __ASM_HARDIRQ_H
-#include <linux/cache.h>
-#include <linux/threads.h>
#include <asm/irq.h>
-typedef struct {
- unsigned int __softirq_pending;
-} ____cacheline_aligned irq_cpustat_t;
-
-#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
-
#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
+#define ack_bad_irq ack_bad_irq
+
+#include <asm-generic/hardirq.h>
#endif /* __ASM_HARDIRQ_H */
diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h
index 31811be38d78..b4b66220952d 100644
--- a/arch/arm/include/asm/highmem.h
+++ b/arch/arm/include/asm/highmem.h
@@ -2,7 +2,8 @@
#ifndef _ASM_HIGHMEM_H
#define _ASM_HIGHMEM_H
-#include <asm/kmap_types.h>
+#include <asm/cachetype.h>
+#include <asm/fixmap.h>
#define PKMAP_BASE (PAGE_OFFSET - PMD_SIZE)
#define LAST_PKMAP PTRS_PER_PTE
@@ -46,19 +47,32 @@ extern pte_t *pkmap_page_table;
#ifdef ARCH_NEEDS_KMAP_HIGH_GET
extern void *kmap_high_get(struct page *page);
-#else
+
+static inline void *arch_kmap_local_high_get(struct page *page)
+{
+ if (IS_ENABLED(CONFIG_DEBUG_HIGHMEM) && !cache_is_vivt())
+ return NULL;
+ return kmap_high_get(page);
+}
+#define arch_kmap_local_high_get arch_kmap_local_high_get
+
+#else /* ARCH_NEEDS_KMAP_HIGH_GET */
static inline void *kmap_high_get(struct page *page)
{
return NULL;
}
-#endif
+#endif /* !ARCH_NEEDS_KMAP_HIGH_GET */
-/*
- * The following functions are already defined by <linux/highmem.h>
- * when CONFIG_HIGHMEM is not set.
- */
-#ifdef CONFIG_HIGHMEM
-extern void *kmap_atomic_pfn(unsigned long pfn);
-#endif
+#define arch_kmap_local_post_map(vaddr, pteval) \
+ local_flush_tlb_kernel_page(vaddr)
+
+#define arch_kmap_local_pre_unmap(vaddr) \
+do { \
+ if (cache_is_vivt()) \
+ __cpuc_flush_dcache_area((void *)vaddr, PAGE_SIZE); \
+} while (0)
+
+#define arch_kmap_local_post_unmap(vaddr) \
+ local_flush_tlb_kernel_page(vaddr)
#endif
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index 46d41140df27..1cbcc462b07e 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -31,6 +31,8 @@ void handle_IRQ(unsigned int, struct pt_regs *);
void init_IRQ(void);
#ifdef CONFIG_SMP
+#include <linux/cpumask.h>
+
extern void arch_trigger_cpumask_backtrace(const cpumask_t *mask,
bool exclude_self);
#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h
deleted file mode 100644
index 5590940ee43d..000000000000
--- a/arch/arm/include/asm/kmap_types.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ARM_KMAP_TYPES_H
-#define __ARM_KMAP_TYPES_H
-
-/*
- * This is the "bare minimum". AIO seems to require this.
- */
-#define KM_TYPE_NR 16
-
-#endif
diff --git a/arch/arm/include/asm/kprobes.h b/arch/arm/include/asm/kprobes.h
index 213607a1f45c..e26a278d301a 100644
--- a/arch/arm/include/asm/kprobes.h
+++ b/arch/arm/include/asm/kprobes.h
@@ -44,20 +44,20 @@ int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
/* optinsn template addresses */
-extern __visible kprobe_opcode_t optprobe_template_entry;
-extern __visible kprobe_opcode_t optprobe_template_val;
-extern __visible kprobe_opcode_t optprobe_template_call;
-extern __visible kprobe_opcode_t optprobe_template_end;
-extern __visible kprobe_opcode_t optprobe_template_sub_sp;
-extern __visible kprobe_opcode_t optprobe_template_add_sp;
-extern __visible kprobe_opcode_t optprobe_template_restore_begin;
-extern __visible kprobe_opcode_t optprobe_template_restore_orig_insn;
-extern __visible kprobe_opcode_t optprobe_template_restore_end;
+extern __visible kprobe_opcode_t optprobe_template_entry[];
+extern __visible kprobe_opcode_t optprobe_template_val[];
+extern __visible kprobe_opcode_t optprobe_template_call[];
+extern __visible kprobe_opcode_t optprobe_template_end[];
+extern __visible kprobe_opcode_t optprobe_template_sub_sp[];
+extern __visible kprobe_opcode_t optprobe_template_add_sp[];
+extern __visible kprobe_opcode_t optprobe_template_restore_begin[];
+extern __visible kprobe_opcode_t optprobe_template_restore_orig_insn[];
+extern __visible kprobe_opcode_t optprobe_template_restore_end[];
#define MAX_OPTIMIZED_LENGTH 4
#define MAX_OPTINSN_SIZE \
- ((unsigned long)&optprobe_template_end - \
- (unsigned long)&optprobe_template_entry)
+ ((unsigned long)optprobe_template_end - \
+ (unsigned long)optprobe_template_entry)
#define RELATIVEJUMP_SIZE 4
struct arch_optimized_insn {
diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h
index f99ed524fe41..84e58956fcab 100644
--- a/arch/arm/include/asm/mmu_context.h
+++ b/arch/arm/include/asm/mmu_context.h
@@ -26,6 +26,8 @@ void __check_vmalloc_seq(struct mm_struct *mm);
#ifdef CONFIG_CPU_HAS_ASID
void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk);
+
+#define init_new_context init_new_context
static inline int
init_new_context(struct task_struct *tsk, struct mm_struct *mm)
{
@@ -92,33 +94,11 @@ static inline void finish_arch_post_lock_switch(void)
#endif /* CONFIG_MMU */
-static inline int
-init_new_context(struct task_struct *tsk, struct mm_struct *mm)
-{
- return 0;
-}
-
-
#endif /* CONFIG_CPU_HAS_ASID */
-#define destroy_context(mm) do { } while(0)
#define activate_mm(prev,next) switch_mm(prev, next, NULL)
/*
- * This is called when "tsk" is about to enter lazy TLB mode.
- *
- * mm: describes the currently active mm context
- * tsk: task which is entering lazy tlb
- * cpu: cpu number which is entering lazy tlb
- *
- * tsk->mm will be NULL
- */
-static inline void
-enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
-/*
* This is the actual mm switch as far as the scheduler
* is concerned. No registers are touched. We avoid
* calling the CPU specific function when the mm hasn't
@@ -149,6 +129,6 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
#endif
}
-#define deactivate_mm(tsk,mm) do { } while (0)
+#include <asm-generic/mmu_context.h>
#endif
diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
index 3502c2f746ca..baf7d0204eb5 100644
--- a/arch/arm/include/asm/pgtable-2level.h
+++ b/arch/arm/include/asm/pgtable-2level.h
@@ -75,6 +75,8 @@
#define PTE_HWTABLE_OFF (PTE_HWTABLE_PTRS * sizeof(pte_t))
#define PTE_HWTABLE_SIZE (PTRS_PER_PTE * sizeof(u32))
+#define MAX_POSSIBLE_PHYSMEM_BITS 32
+
/*
* PMD_SHIFT determines the size of the area a second-level page table can map
* PGDIR_SHIFT determines what a third-level page table entry can map
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index fbb6693c3352..2b85d175e999 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -25,6 +25,8 @@
#define PTE_HWTABLE_OFF (0)
#define PTE_HWTABLE_SIZE (PTRS_PER_PTE * sizeof(u64))
+#define MAX_POSSIBLE_PHYSMEM_BITS 40
+
/*
* PGDIR_SHIFT determines the size a top-level page table entry can map.
*/
diff --git a/arch/arm/include/asm/signal.h b/arch/arm/include/asm/signal.h
index 65530a042009..430be7774402 100644
--- a/arch/arm/include/asm/signal.h
+++ b/arch/arm/include/asm/signal.h
@@ -17,6 +17,8 @@ typedef struct {
unsigned long sig[_NSIG_WORDS];
} sigset_t;
+#define __ARCH_UAPI_SA_FLAGS (SA_THIRTYTWO | SA_RESTORER)
+
#define __ARCH_HAS_SA_RESTORER
#include <asm/sigcontext.h>
diff --git a/arch/arm/include/uapi/asm/signal.h b/arch/arm/include/uapi/asm/signal.h
index 9b4185ba4f8a..c9a3ea1d8d41 100644
--- a/arch/arm/include/uapi/asm/signal.h
+++ b/arch/arm/include/uapi/asm/signal.h
@@ -60,33 +60,12 @@ typedef unsigned long sigset_t;
#define SIGSWI 32
/*
- * SA_FLAGS values:
- *
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_SIGINFO deliver the signal with SIGINFO structs
- * SA_THIRTYTWO delivers the signal in 32-bit mode, even if the task
- * is running in 26-bit.
- * SA_ONSTACK allows alternate signal stacks (see sigaltstack(2)).
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NODEFER prevents the current signal from being masked in the handler.
- * SA_RESETHAND clears the handler when the signal is delivered.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
+ * SA_THIRTYTWO historically meant deliver the signal in 32-bit mode, even if
+ * the task is running in 26-bit. But since the kernel no longer supports
+ * 26-bit mode, the flag has no effect.
*/
-#define SA_NOCLDSTOP 0x00000001
-#define SA_NOCLDWAIT 0x00000002
-#define SA_SIGINFO 0x00000004
#define SA_THIRTYTWO 0x02000000
#define SA_RESTORER 0x04000000
-#define SA_ONSTACK 0x08000000
-#define SA_RESTART 0x10000000
-#define SA_NODEFER 0x40000000
-#define SA_RESETHAND 0x80000000
-
-#define SA_NOMASK SA_NODEFER
-#define SA_ONESHOT SA_RESETHAND
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-06 21:38:23 +0300