diff options
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/Makefile | 9 | ||||
| -rw-r--r-- | arch/um/include/asm/mmu_context.h | 4 | ||||
| -rw-r--r-- | arch/um/kernel/Makefile | 3 | ||||
| -rw-r--r-- | arch/um/kernel/init_task.c | 5 | ||||
| -rw-r--r-- | arch/um/kernel/smp.c | 2 | ||||
| -rw-r--r-- | arch/um/kernel/vmlinux.lds.S | 3 |
6 files changed, 15 insertions, 11 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile index 0728def3223..fc633dbacf8 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -96,11 +96,10 @@ CFLAGS_NO_HARDENING := $(call cc-option, -fno-PIC,) $(call cc-option, -fno-pic,) $(call cc-option, -fno-stack-protector,) \ $(call cc-option, -fno-stack-protector-all,) -CONFIG_KERNEL_STACK_ORDER ?= 2 -STACK_SIZE := $(shell echo $$[ 4096 * (1 << $(CONFIG_KERNEL_STACK_ORDER)) ] ) - -CPPFLAGS_vmlinux.lds = -U$(SUBARCH) -DSTART=$(START) -DELF_ARCH=$(ELF_ARCH) \ - -DELF_FORMAT="$(ELF_FORMAT)" -DKERNEL_STACK_SIZE=$(STACK_SIZE) +# Options used by linker script +export LDS_START := $(START) +export LDS_ELF_ARCH := $(ELF_ARCH) +export LDS_ELF_FORMAT := $(ELF_FORMAT) # The wrappers will select whether using "malloc" or the kernel allocator. LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free -Wl,--wrap,calloc diff --git a/arch/um/include/asm/mmu_context.h b/arch/um/include/asm/mmu_context.h index 54f42e8b010..34d813011b7 100644 --- a/arch/um/include/asm/mmu_context.h +++ b/arch/um/include/asm/mmu_context.h @@ -35,8 +35,8 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, unsigned cpu = smp_processor_id(); if(prev != next){ - cpu_clear(cpu, prev->cpu_vm_mask); - cpu_set(cpu, next->cpu_vm_mask); + cpumask_clear_cpu(cpu, mm_cpumask(prev)); + cpumask_set_cpu(cpu, mm_cpumask(next)); if(next != &init_mm) __switch_mm(&next->context.id); } diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile index 388ec0a3ea9..1119233597a 100644 --- a/arch/um/kernel/Makefile +++ b/arch/um/kernel/Makefile @@ -3,6 +3,9 @@ # Licensed under the GPL # +CPPFLAGS_vmlinux.lds := -U$(SUBARCH) -DSTART=$(LDS_START) \ + -DELF_ARCH=$(LDS_ELF_ARCH) \ + -DELF_FORMAT=$(LDS_ELF_FORMAT) extra-y := vmlinux.lds clean-files := diff --git a/arch/um/kernel/init_task.c b/arch/um/kernel/init_task.c index b25121b537d..8aa77b61a5f 100644 --- a/arch/um/kernel/init_task.c +++ b/arch/um/kernel/init_task.c @@ -30,9 +30,8 @@ EXPORT_SYMBOL(init_task); * "init_task" linker map entry.. */ -union thread_union init_thread_union - __attribute__((__section__(".data.init_task"))) = - { INIT_THREAD_INFO(init_task) }; +union thread_union init_thread_union __init_task_data = + { INIT_THREAD_INFO(init_task) }; union thread_union cpu0_irqstack __attribute__((__section__(".data.init_irqstack"))) = diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c index 98351c78bc8..106bf27e2a9 100644 --- a/arch/um/kernel/smp.c +++ b/arch/um/kernel/smp.c @@ -111,7 +111,7 @@ void smp_prepare_cpus(unsigned int maxcpus) int i; for (i = 0; i < ncpus; ++i) - cpu_set(i, cpu_possible_map); + set_cpu_possible(i, true); cpu_clear(me, cpu_online_map); cpu_set(me, cpu_online_map); diff --git a/arch/um/kernel/vmlinux.lds.S b/arch/um/kernel/vmlinux.lds.S index f8aeb448aab..16e49bfa2b4 100644 --- a/arch/um/kernel/vmlinux.lds.S +++ b/arch/um/kernel/vmlinux.lds.S @@ -1,3 +1,6 @@ + +KERNEL_STACK_SIZE = 4096 * (1 << CONFIG_KERNEL_STACK_ORDER); + #ifdef CONFIG_LD_SCRIPT_STATIC #include "uml.lds.S" #else |