diff options
Diffstat (limited to 'arch/unicore32')
| -rw-r--r-- | arch/unicore32/Kconfig | 8 | ||||
| -rw-r--r-- | arch/unicore32/include/asm/Kbuild | 2 | ||||
| -rw-r--r-- | arch/unicore32/include/asm/elf.h | 3 | ||||
| -rw-r--r-- | arch/unicore32/include/asm/syscall.h | 12 | ||||
| -rw-r--r-- | arch/unicore32/include/asm/tlb.h | 7 | ||||
| -rw-r--r-- | arch/unicore32/include/uapi/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/unicore32/kernel/stacktrace.c | 2 | ||||
| -rw-r--r-- | arch/unicore32/mm/init.c | 24 |
8 files changed, 20 insertions, 39 deletions
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index 8cbcbb12372c..41fe944005f8 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig @@ -3,6 +3,7 @@ config UNICORE32 def_bool y select ARCH_32BIT_OFF_T select ARCH_HAS_DEVMEM_IS_ALLOWED + select ARCH_HAS_KEEPINITRD select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO select HAVE_KERNEL_GZIP @@ -20,6 +21,7 @@ config UNICORE32 select GENERIC_IOMAP select MODULES_USE_ELF_REL select NEED_DMA_MAP_STATE + select MMU_GATHER_NO_RANGE if MMU help UniCore-32 is 32-bit Instruction Set Architecture, including a series of low-power-consumption RISC chip @@ -38,12 +40,6 @@ config STACKTRACE_SUPPORT config LOCKDEP_SUPPORT def_bool y -config RWSEM_GENERIC_SPINLOCK - def_bool y - -config RWSEM_XCHGADD_ALGORITHM - bool - config ARCH_HAS_ILOG2_U32 bool diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index 1d1544b6ca74..b301a0b3c0b2 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -18,9 +18,11 @@ generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h generic-y += mm-arch-hooks.h +generic-y += mmiowb.h generic-y += module.h generic-y += parport.h generic-y += percpu.h diff --git a/arch/unicore32/include/asm/elf.h b/arch/unicore32/include/asm/elf.h index 829042d07722..ae66dc1be49e 100644 --- a/arch/unicore32/include/asm/elf.h +++ b/arch/unicore32/include/asm/elf.h @@ -19,6 +19,7 @@ * ELF register definitions.. */ #include <asm/ptrace.h> +#include <linux/elf-em.h> typedef unsigned long elf_greg_t; typedef unsigned long elf_freg_t[3]; @@ -28,8 +29,6 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG]; typedef struct fp_state elf_fpregset_t; -#define EM_UNICORE 110 - #define R_UNICORE_NONE 0 #define R_UNICORE_PC24 1 #define R_UNICORE_ABS32 2 diff --git a/arch/unicore32/include/asm/syscall.h b/arch/unicore32/include/asm/syscall.h new file mode 100644 index 000000000000..607961797fff --- /dev/null +++ b/arch/unicore32/include/asm/syscall.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_UNICORE_SYSCALL_H +#define _ASM_UNICORE_SYSCALL_H + +#include <uapi/linux/audit.h> + +static inline int syscall_get_arch(struct task_struct *task) +{ + return AUDIT_ARCH_UNICORE; +} + +#endif /* _ASM_UNICORE_SYSCALL_H */ diff --git a/arch/unicore32/include/asm/tlb.h b/arch/unicore32/include/asm/tlb.h index 9cca15cdae94..00a8477333f6 100644 --- a/arch/unicore32/include/asm/tlb.h +++ b/arch/unicore32/include/asm/tlb.h @@ -12,10 +12,9 @@ #ifndef __UNICORE_TLB_H__ #define __UNICORE_TLB_H__ -#define tlb_start_vma(tlb, vma) do { } while (0) -#define tlb_end_vma(tlb, vma) do { } while (0) -#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) -#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) +/* + * unicore32 lacks an efficient flush_tlb_range(), use flush_tlb_mm(). + */ #define __pte_free_tlb(tlb, pte, addr) \ do { \ diff --git a/arch/unicore32/include/uapi/asm/Kbuild b/arch/unicore32/include/uapi/asm/Kbuild index 755bb11323d8..1c72f04ff75d 100644 --- a/arch/unicore32/include/uapi/asm/Kbuild +++ b/arch/unicore32/include/uapi/asm/Kbuild @@ -1,2 +1 @@ -generic-y += kvm_para.h generic-y += ucontext.h diff --git a/arch/unicore32/kernel/stacktrace.c b/arch/unicore32/kernel/stacktrace.c index 9976e767d51c..e37da8c6837b 100644 --- a/arch/unicore32/kernel/stacktrace.c +++ b/arch/unicore32/kernel/stacktrace.c @@ -120,8 +120,6 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) } walk_stackframe(&frame, save_trace, &data); - if (trace->nr_entries < trace->max_entries) - trace->entries[trace->nr_entries++] = ULONG_MAX; } void save_stack_trace(struct stack_trace *trace) diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c index 74b6a2e29809..b4442f3060ce 100644 --- a/arch/unicore32/mm/init.c +++ b/arch/unicore32/mm/init.c @@ -287,27 +287,3 @@ void __init mem_init(void) sysctl_overcommit_memory = OVERCOMMIT_ALWAYS; } } - -void free_initmem(void) -{ - free_initmem_default(-1); -} - -#ifdef CONFIG_BLK_DEV_INITRD - -static int keep_initrd; - -void free_initrd_mem(unsigned long start, unsigned long end) -{ - if (!keep_initrd) - free_reserved_area((void *)start, (void *)end, -1, "initrd"); -} - -static int __init keepinitrd_setup(char *__unused) -{ - keep_initrd = 1; - return 1; -} - -__setup("keepinitrd", keepinitrd_setup); -#endif |