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-rw-r--r--arch/arc/include/asm/Kbuild3
-rw-r--r--arch/arc/include/asm/arcregs.h2
-rw-r--r--arch/arc/include/asm/cachetype.h8
-rw-r--r--arch/arc/include/asm/cmpxchg.h6
-rw-r--r--arch/arc/include/asm/dsp.h2
-rw-r--r--arch/arc/include/asm/entry-compact.h10
-rw-r--r--arch/arc/include/asm/entry.h4
-rw-r--r--arch/arc/include/asm/fb.h8
-rw-r--r--arch/arc/include/asm/io.h5
-rw-r--r--arch/arc/include/asm/irq.h2
-rw-r--r--arch/arc/include/asm/irqflags-compact.h2
-rw-r--r--arch/arc/include/asm/mmu-arcv2.h2
-rw-r--r--arch/arc/include/asm/mmu.h1
-rw-r--r--arch/arc/include/asm/mmu_context.h2
-rw-r--r--arch/arc/include/asm/pgalloc.h9
-rw-r--r--arch/arc/include/asm/pgtable-bits-arcv2.h2
-rw-r--r--arch/arc/include/asm/ptrace.h2
-rw-r--r--arch/arc/include/asm/shmparam.h2
-rw-r--r--arch/arc/include/asm/smp.h4
-rw-r--r--arch/arc/include/asm/thread_info.h2
-rw-r--r--arch/arc/include/asm/unaligned.h27
-rw-r--r--arch/arc/include/asm/unistd.h14
22 files changed, 53 insertions, 66 deletions
diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild
index 3c1afa524b9c..4c69522e0328 100644
--- a/arch/arc/include/asm/Kbuild
+++ b/arch/arc/include/asm/Kbuild
@@ -1,6 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
+syscall-y += syscall_table_32.h
+
generic-y += extable.h
generic-y += kvm_para.h
generic-y += mcs_spinlock.h
generic-y += parport.h
generic-y += user.h
+generic-y += text-patching.h
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h
index 4b13f60fe7ca..005d9e4d187a 100644
--- a/arch/arc/include/asm/arcregs.h
+++ b/arch/arc/include/asm/arcregs.h
@@ -146,7 +146,7 @@
#ifndef __ASSEMBLY__
-#include <soc/arc/aux.h>
+#include <soc/arc/arc_aux.h>
/* Helpers */
#define TO_KB(bytes) ((bytes) >> 10)
diff --git a/arch/arc/include/asm/cachetype.h b/arch/arc/include/asm/cachetype.h
new file mode 100644
index 000000000000..acd3b6cb4bf5
--- /dev/null
+++ b/arch/arc/include/asm/cachetype.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_ARC_CACHETYPE_H
+#define __ASM_ARC_CACHETYPE_H
+
+#define cpu_dcache_is_aliasing() false
+#define cpu_icache_is_aliasing() true
+
+#endif
diff --git a/arch/arc/include/asm/cmpxchg.h b/arch/arc/include/asm/cmpxchg.h
index e138fde067de..76f43db0890f 100644
--- a/arch/arc/include/asm/cmpxchg.h
+++ b/arch/arc/include/asm/cmpxchg.h
@@ -8,6 +8,7 @@
#include <linux/build_bug.h>
#include <linux/types.h>
+#include <linux/cmpxchg-emu.h>
#include <asm/barrier.h>
#include <asm/smp.h>
@@ -46,6 +47,9 @@
__typeof__(*(ptr)) _prev_; \
\
switch(sizeof((_p_))) { \
+ case 1: \
+ _prev_ = (__typeof__(*(ptr)))cmpxchg_emu_u8((volatile u8 *__force)_p_, (uintptr_t)_o_, (uintptr_t)_n_); \
+ break; \
case 4: \
_prev_ = __cmpxchg(_p_, _o_, _n_); \
break; \
@@ -65,8 +69,6 @@
__typeof__(*(ptr)) _prev_; \
unsigned long __flags; \
\
- BUILD_BUG_ON(sizeof(_p_) != 4); \
- \
/* \
* spin lock/unlock provide the needed smp_mb() before/after \
*/ \
diff --git a/arch/arc/include/asm/dsp.h b/arch/arc/include/asm/dsp.h
index 202c78e56704..f496dbc4640b 100644
--- a/arch/arc/include/asm/dsp.h
+++ b/arch/arc/include/asm/dsp.h
@@ -12,7 +12,7 @@
/*
* DSP-related saved registers - need to be saved only when you are
* scheduled out.
- * structure fields name must correspond to aux register defenitions for
+ * structure fields name must correspond to aux register definitions for
* automatic offset calculation in DSP_AUX_SAVE_RESTORE macros
*/
struct dsp_callee_regs {
diff --git a/arch/arc/include/asm/entry-compact.h b/arch/arc/include/asm/entry-compact.h
index 92c3e9f13252..00946fe04c9b 100644
--- a/arch/arc/include/asm/entry-compact.h
+++ b/arch/arc/include/asm/entry-compact.h
@@ -7,7 +7,7 @@
* Stack switching code can no longer reliably rely on the fact that
* if we are NOT in user mode, stack is switched to kernel mode.
* e.g. L2 IRQ interrupted a L1 ISR which had not yet completed
- * it's prologue including stack switching from user mode
+ * its prologue including stack switching from user mode
*
* Vineetg: Aug 28th 2008: Bug #94984
* -Zero Overhead Loop Context shd be cleared when entering IRQ/EXcp/Trap
@@ -143,7 +143,7 @@
* 2. L1 IRQ taken, ISR starts (CPU auto-switched to KERNEL mode)
* 3. But before it could switch SP from USER to KERNEL stack
* a L2 IRQ "Interrupts" L1
- * Thay way although L2 IRQ happened in Kernel mode, stack is still
+ * That way although L2 IRQ happened in Kernel mode, stack is still
* not switched.
* To handle this, we may need to switch stack even if in kernel mode
* provided SP has values in range of USER mode stack ( < 0x7000_0000 )
@@ -173,7 +173,7 @@
GET_CURR_TASK_ON_CPU r9
- /* With current tsk in r9, get it's kernel mode stack base */
+ /* With current tsk in r9, get its kernel mode stack base */
GET_TSK_STACK_BASE r9, r9
/* save U mode SP @ pt_regs->sp */
@@ -282,7 +282,7 @@
* NOTE:
*
* It is recommended that lp_count/ilink1/ilink2 not be used as a dest reg
- * for memory load operations. If used in that way interrupts are deffered
+ * for memory load operations. If used in that way interrupts are deferred
* by hardware and that is not good.
*-------------------------------------------------------------*/
.macro EXCEPTION_EPILOGUE
@@ -350,7 +350,7 @@
* NOTE:
*
* It is recommended that lp_count/ilink1/ilink2 not be used as a dest reg
- * for memory load operations. If used in that way interrupts are deffered
+ * for memory load operations. If used in that way interrupts are deferred
* by hardware and that is not good.
*-------------------------------------------------------------*/
.macro INTERRUPT_EPILOGUE LVL
diff --git a/arch/arc/include/asm/entry.h b/arch/arc/include/asm/entry.h
index cf1ba376e992..38c35722cebf 100644
--- a/arch/arc/include/asm/entry.h
+++ b/arch/arc/include/asm/entry.h
@@ -7,7 +7,7 @@
#ifndef __ASM_ARC_ENTRY_H
#define __ASM_ARC_ENTRY_H
-#include <asm/unistd.h> /* For NR_syscalls defination */
+#include <asm/unistd.h> /* For NR_syscalls definition */
#include <asm/arcregs.h>
#include <asm/ptrace.h>
#include <asm/processor.h> /* For VMALLOC_START */
@@ -56,7 +56,7 @@
.endm
/*-------------------------------------------------------------
- * given a tsk struct, get to the base of it's kernel mode stack
+ * given a tsk struct, get to the base of its kernel mode stack
* tsk->thread_info is really a PAGE, whose bottom hoists stack
* which grows upwards towards thread_info
*------------------------------------------------------------*/
diff --git a/arch/arc/include/asm/fb.h b/arch/arc/include/asm/fb.h
deleted file mode 100644
index 9c2383d29cbb..000000000000
--- a/arch/arc/include/asm/fb.h
+++ /dev/null
@@ -1,8 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-
-#ifndef _ASM_FB_H_
-#define _ASM_FB_H_
-
-#include <asm-generic/fb.h>
-
-#endif /* _ASM_FB_H_ */
diff --git a/arch/arc/include/asm/io.h b/arch/arc/include/asm/io.h
index 4fdb7350636c..00171a212b3c 100644
--- a/arch/arc/include/asm/io.h
+++ b/arch/arc/include/asm/io.h
@@ -9,7 +9,7 @@
#include <linux/types.h>
#include <asm/byteorder.h>
#include <asm/page.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#ifdef CONFIG_ISA_ARCV2
#include <asm/barrier.h>
@@ -42,9 +42,6 @@ static inline void ioport_unmap(void __iomem *addr)
#define iowrite16be(v,p) ({ __iowmb(); __raw_writew((__force u16)cpu_to_be16(v), p); })
#define iowrite32be(v,p) ({ __iowmb(); __raw_writel((__force u32)cpu_to_be32(v), p); })
-/* Change struct page to physical address */
-#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
-
#define __raw_readb __raw_readb
static inline u8 __raw_readb(const volatile void __iomem *addr)
{
diff --git a/arch/arc/include/asm/irq.h b/arch/arc/include/asm/irq.h
index c574712ad865..9cd79263acba 100644
--- a/arch/arc/include/asm/irq.h
+++ b/arch/arc/include/asm/irq.h
@@ -10,7 +10,7 @@
* ARCv2 can support 240 interrupts in the core interrupts controllers and
* 128 interrupts in IDU. Thus 512 virtual IRQs must be enough for most
* configurations of boards.
- * This doesnt affect ARCompact, but we change it to same value
+ * This doesn't affect ARCompact, but we change it to same value
*/
#define NR_IRQS 512
diff --git a/arch/arc/include/asm/irqflags-compact.h b/arch/arc/include/asm/irqflags-compact.h
index 0d63e568d64c..936a2f21f315 100644
--- a/arch/arc/include/asm/irqflags-compact.h
+++ b/arch/arc/include/asm/irqflags-compact.h
@@ -46,7 +46,7 @@
* IRQ Control Macros
*
* All of them have "memory" clobber (compiler barrier) which is needed to
- * ensure that LD/ST requiring irq safetly (R-M-W when LLSC is not available)
+ * ensure that LD/ST requiring irq safety (R-M-W when LLSC is not available)
* are redone after IRQs are re-enabled (and gcc doesn't reuse stale register)
*
* Noted at the time of Abilis Timer List corruption
diff --git a/arch/arc/include/asm/mmu-arcv2.h b/arch/arc/include/asm/mmu-arcv2.h
index ed9036d4ede3..41412642f279 100644
--- a/arch/arc/include/asm/mmu-arcv2.h
+++ b/arch/arc/include/asm/mmu-arcv2.h
@@ -9,6 +9,8 @@
#ifndef _ASM_ARC_MMU_ARCV2_H
#define _ASM_ARC_MMU_ARCV2_H
+#include <soc/arc/arc_aux.h>
+
/*
* TLB Management regs
*/
diff --git a/arch/arc/include/asm/mmu.h b/arch/arc/include/asm/mmu.h
index 9febf5bc3de6..4ae2db59d494 100644
--- a/arch/arc/include/asm/mmu.h
+++ b/arch/arc/include/asm/mmu.h
@@ -14,6 +14,7 @@ typedef struct {
unsigned long asid[NR_CPUS]; /* 8 bit MMU PID + Generation cycle */
} mm_context_t;
+struct pt_regs;
extern void do_tlb_overlap_fault(unsigned long, unsigned long, struct pt_regs *);
#endif
diff --git a/arch/arc/include/asm/mmu_context.h b/arch/arc/include/asm/mmu_context.h
index dda471f5f05b..9963bb1a5733 100644
--- a/arch/arc/include/asm/mmu_context.h
+++ b/arch/arc/include/asm/mmu_context.h
@@ -165,7 +165,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
* for retiring-mm. However destroy_context( ) still needs to do that because
* between mm_release( ) = >deactive_mm( ) and
* mmput => .. => __mmdrop( ) => destroy_context( )
- * there is a good chance that task gets sched-out/in, making it's ASID valid
+ * there is a good chance that task gets sched-out/in, making its ASID valid
* again (this teased me for a whole day).
*/
diff --git a/arch/arc/include/asm/pgalloc.h b/arch/arc/include/asm/pgalloc.h
index 096b8ef58edb..dfae070fe8d5 100644
--- a/arch/arc/include/asm/pgalloc.h
+++ b/arch/arc/include/asm/pgalloc.h
@@ -53,19 +53,14 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte_
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
- pgd_t *ret = (pgd_t *) __get_free_page(GFP_KERNEL);
+ pgd_t *ret = __pgd_alloc(mm, 0);
if (ret) {
int num, num2;
- num = USER_PTRS_PER_PGD + USER_KERNEL_GUTTER / PGDIR_SIZE;
- memzero(ret, num * sizeof(pgd_t));
+ num = USER_PTRS_PER_PGD + USER_KERNEL_GUTTER / PGDIR_SIZE;
num2 = VMALLOC_SIZE / PGDIR_SIZE;
memcpy(ret + num, swapper_pg_dir + num, num2 * sizeof(pgd_t));
-
- memzero(ret + num + num2,
- (PTRS_PER_PGD - num - num2) * sizeof(pgd_t));
-
}
return ret;
}
diff --git a/arch/arc/include/asm/pgtable-bits-arcv2.h b/arch/arc/include/asm/pgtable-bits-arcv2.h
index f3eea3f30b2e..8ebec1b21d24 100644
--- a/arch/arc/include/asm/pgtable-bits-arcv2.h
+++ b/arch/arc/include/asm/pgtable-bits-arcv2.h
@@ -66,7 +66,7 @@
* Other rules which cause the divergence from 1:1 mapping
*
* 1. Although ARC700 can do exclusive execute/write protection (meaning R
- * can be tracked independet of X/W unlike some other CPUs), still to
+ * can be tracked independently of X/W unlike some other CPUs), still to
* keep things consistent with other archs:
* -Write implies Read: W => R
* -Execute implies Read: X => R
diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h
index 00b9318e551e..cf79df0b2570 100644
--- a/arch/arc/include/asm/ptrace.h
+++ b/arch/arc/include/asm/ptrace.h
@@ -169,7 +169,7 @@ static inline unsigned long regs_get_register(struct pt_regs *regs,
return *(unsigned long *)((unsigned long)regs + offset);
}
-extern int syscall_trace_entry(struct pt_regs *);
+extern int syscall_trace_enter(struct pt_regs *);
extern void syscall_trace_exit(struct pt_regs *);
#endif /* !__ASSEMBLY__ */
diff --git a/arch/arc/include/asm/shmparam.h b/arch/arc/include/asm/shmparam.h
index 8b0251464ffd..719112af0f41 100644
--- a/arch/arc/include/asm/shmparam.h
+++ b/arch/arc/include/asm/shmparam.h
@@ -6,7 +6,7 @@
#ifndef __ARC_ASM_SHMPARAM_H
#define __ARC_ASM_SHMPARAM_H
-/* Handle upto 2 cache bins */
+/* Handle up to 2 cache bins */
#define SHMLBA (2 * PAGE_SIZE)
/* Enforce SHMLBA in shmat */
diff --git a/arch/arc/include/asm/smp.h b/arch/arc/include/asm/smp.h
index e0913f52c2cd..990f834909f0 100644
--- a/arch/arc/include/asm/smp.h
+++ b/arch/arc/include/asm/smp.h
@@ -77,7 +77,7 @@ static inline const char *arc_platform_smp_cpuinfo(void)
/*
* ARC700 doesn't support atomic Read-Modify-Write ops.
- * Originally Interrupts had to be disabled around code to gaurantee atomicity.
+ * Originally Interrupts had to be disabled around code to guarantee atomicity.
* The LLOCK/SCOND insns allow writing interrupt-hassle-free based atomic ops
* based on retry-if-irq-in-atomic (with hardware assist).
* However despite these, we provide the IRQ disabling variant
@@ -86,7 +86,7 @@ static inline const char *arc_platform_smp_cpuinfo(void)
* support needed.
*
* (2) In a SMP setup, the LLOCK/SCOND atomicity across CPUs needs to be
- * gaurantted by the platform (not something which core handles).
+ * guaranteed by the platform (not something which core handles).
* Assuming a platform won't, SMP Linux needs to use spinlocks + local IRQ
* disabling for atomicity.
*
diff --git a/arch/arc/include/asm/thread_info.h b/arch/arc/include/asm/thread_info.h
index 4c530cf131f3..12daaf3a61ea 100644
--- a/arch/arc/include/asm/thread_info.h
+++ b/arch/arc/include/asm/thread_info.h
@@ -38,7 +38,7 @@
struct thread_info {
unsigned long flags; /* low level flags */
unsigned long ksp; /* kernel mode stack top in __switch_to */
- int preempt_count; /* 0 => preemptable, <0 => BUG */
+ int preempt_count; /* 0 => preemptible, <0 => BUG */
int cpu; /* current CPU */
unsigned long thr_ptr; /* TLS ptr */
struct task_struct *task; /* main task structure */
diff --git a/arch/arc/include/asm/unaligned.h b/arch/arc/include/asm/unaligned.h
deleted file mode 100644
index cf5a02382e0e..000000000000
--- a/arch/arc/include/asm/unaligned.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
- */
-
-#ifndef _ASM_ARC_UNALIGNED_H
-#define _ASM_ARC_UNALIGNED_H
-
-/* ARC700 can't handle unaligned Data accesses. */
-
-#include <asm-generic/unaligned.h>
-#include <asm/ptrace.h>
-
-#ifdef CONFIG_ARC_EMUL_UNALIGNED
-int misaligned_fixup(unsigned long address, struct pt_regs *regs,
- struct callee_regs *cregs);
-#else
-static inline int
-misaligned_fixup(unsigned long address, struct pt_regs *regs,
- struct callee_regs *cregs)
-{
- /* Not fixed */
- return 1;
-}
-#endif
-
-#endif /* _ASM_ARC_UNALIGNED_H */
diff --git a/arch/arc/include/asm/unistd.h b/arch/arc/include/asm/unistd.h
new file mode 100644
index 000000000000..211c230d88d6
--- /dev/null
+++ b/arch/arc/include/asm/unistd.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _ASM_ARC_UNISTD_H
+#define _ASM_ARC_UNISTD_H
+
+#include <uapi/asm/unistd.h>
+
+#define __ARCH_WANT_STAT64
+#define __ARCH_WANT_SYS_CLONE
+#define __ARCH_WANT_SYS_VFORK
+#define __ARCH_WANT_SYS_FORK
+
+#define NR_syscalls __NR_syscalls
+
+#endif
generated by cgit (git 2.34.1) at 2025-07-23 09:22:06 +0000