diff options
Diffstat (limited to 'arch/nds32')
| -rw-r--r-- | arch/nds32/Makefile | 6 | ||||
| -rw-r--r-- | arch/nds32/boot/dts/Makefile | 7 | ||||
| -rw-r--r-- | arch/nds32/include/asm/cacheflush.h | 1 | ||||
| -rw-r--r-- | arch/nds32/kernel/fpu.c | 2 | ||||
| -rw-r--r-- | arch/nds32/kernel/perf_event_cpu.c | 29 | ||||
| -rw-r--r-- | arch/nds32/kernel/traps.c | 8 | ||||
| -rw-r--r-- | arch/nds32/mm/fault.c | 18 |
7 files changed, 18 insertions, 53 deletions
diff --git a/arch/nds32/Makefile b/arch/nds32/Makefile index 797ad9b450af..b33d5d81b6ae 100644 --- a/arch/nds32/Makefile +++ b/arch/nds32/Makefile @@ -31,12 +31,6 @@ core-y += arch/nds32/kernel/ arch/nds32/mm/ core-$(CONFIG_FPU) += arch/nds32/math-emu/ libs-y += arch/nds32/lib/ -ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""' -BUILTIN_DTB := y -else -BUILTIN_DTB := n -endif - ifdef CONFIG_CPU_LITTLE_ENDIAN KBUILD_CFLAGS += $(call cc-option, -EL) KBUILD_AFLAGS += $(call cc-option, -EL) diff --git a/arch/nds32/boot/dts/Makefile b/arch/nds32/boot/dts/Makefile index f84bd529b6fd..4fc69562eae8 100644 --- a/arch/nds32/boot/dts/Makefile +++ b/arch/nds32/boot/dts/Makefile @@ -1,7 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""' -BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_NDS32_BUILTIN_DTB)).dtb.o -else -BUILTIN_DTB := -endif -obj-$(CONFIG_OF) += $(BUILTIN_DTB) +obj-$(CONFIG_OF) += $(addsuffix .dtb.o, $(CONFIG_NDS32_BUILTIN_DTB)) diff --git a/arch/nds32/include/asm/cacheflush.h b/arch/nds32/include/asm/cacheflush.h index 3fc0bb7d6487..c2a222ebfa2a 100644 --- a/arch/nds32/include/asm/cacheflush.h +++ b/arch/nds32/include/asm/cacheflush.h @@ -27,7 +27,6 @@ void flush_cache_vunmap(unsigned long start, unsigned long end); #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 void flush_dcache_page(struct page *page); -void flush_dcache_folio(struct folio *folio); void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, void *src, int len); void copy_from_user_page(struct vm_area_struct *vma, struct page *page, diff --git a/arch/nds32/kernel/fpu.c b/arch/nds32/kernel/fpu.c index 9edd7ed7d7bf..701c09a668de 100644 --- a/arch/nds32/kernel/fpu.c +++ b/arch/nds32/kernel/fpu.c @@ -223,7 +223,7 @@ inline void handle_fpu_exception(struct pt_regs *regs) } } else if (fpcsr & FPCSR_mskRIT) { if (!user_mode(regs)) - do_exit(SIGILL); + make_task_dead(SIGILL); si_signo = SIGILL; } diff --git a/arch/nds32/kernel/perf_event_cpu.c b/arch/nds32/kernel/perf_event_cpu.c index 0ce6f9f307e6..a78a879e7ef1 100644 --- a/arch/nds32/kernel/perf_event_cpu.c +++ b/arch/nds32/kernel/perf_event_cpu.c @@ -1371,11 +1371,6 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, leaf_fp = 0; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { - /* We don't support guest os callchain now */ - return; - } - perf_callchain_store(entry, regs->ipc); fp = regs->fp; gp = regs->gp; @@ -1481,10 +1476,6 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, { struct stackframe fr; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { - /* We don't support guest os callchain now */ - return; - } fr.fp = regs->fp; fr.lp = regs->lp; fr.sp = regs->sp; @@ -1493,10 +1484,6 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, unsigned long perf_instruction_pointer(struct pt_regs *regs) { - /* However, NDS32 does not support virtualization */ - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) - return perf_guest_cbs->get_guest_ip(); - return instruction_pointer(regs); } @@ -1504,18 +1491,10 @@ unsigned long perf_misc_flags(struct pt_regs *regs) { int misc = 0; - /* However, NDS32 does not support virtualization */ - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { - if (perf_guest_cbs->is_user_mode()) - misc |= PERF_RECORD_MISC_GUEST_USER; - else - misc |= PERF_RECORD_MISC_GUEST_KERNEL; - } else { - if (user_mode(regs)) - misc |= PERF_RECORD_MISC_USER; - else - misc |= PERF_RECORD_MISC_KERNEL; - } + if (user_mode(regs)) + misc |= PERF_RECORD_MISC_USER; + else + misc |= PERF_RECORD_MISC_KERNEL; return misc; } diff --git a/arch/nds32/kernel/traps.c b/arch/nds32/kernel/traps.c index ca75d475eda4..c0a8f3344fb9 100644 --- a/arch/nds32/kernel/traps.c +++ b/arch/nds32/kernel/traps.c @@ -141,7 +141,7 @@ void __noreturn die(const char *str, struct pt_regs *regs, int err) bust_spinlocks(0); spin_unlock_irq(&die_lock); - do_exit(SIGSEGV); + make_task_dead(SIGSEGV); } EXPORT_SYMBOL(die); @@ -240,7 +240,7 @@ void unhandled_interruption(struct pt_regs *regs) pr_emerg("unhandled_interruption\n"); show_regs(regs); if (!user_mode(regs)) - do_exit(SIGKILL); + make_task_dead(SIGKILL); force_sig(SIGKILL); } @@ -251,7 +251,7 @@ void unhandled_exceptions(unsigned long entry, unsigned long addr, addr, type); show_regs(regs); if (!user_mode(regs)) - do_exit(SIGKILL); + make_task_dead(SIGKILL); force_sig(SIGKILL); } @@ -278,7 +278,7 @@ void do_revinsn(struct pt_regs *regs) pr_emerg("Reserved Instruction\n"); show_regs(regs); if (!user_mode(regs)) - do_exit(SIGILL); + make_task_dead(SIGILL); force_sig(SIGILL); } diff --git a/arch/nds32/mm/fault.c b/arch/nds32/mm/fault.c index 1d139b117168..636977a1c8b9 100644 --- a/arch/nds32/mm/fault.c +++ b/arch/nds32/mm/fault.c @@ -230,16 +230,14 @@ good_area: goto bad_area; } - if (flags & FAULT_FLAG_ALLOW_RETRY) { - if (fault & VM_FAULT_RETRY) { - flags |= FAULT_FLAG_TRIED; - - /* No need to mmap_read_unlock(mm) as we would - * have already released it in __lock_page_or_retry - * in mm/filemap.c. - */ - goto retry; - } + if (fault & VM_FAULT_RETRY) { + flags |= FAULT_FLAG_TRIED; + + /* No need to mmap_read_unlock(mm) as we would + * have already released it in __lock_page_or_retry + * in mm/filemap.c. + */ + goto retry; } mmap_read_unlock(mm); |