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-rw-r--r--arch/um/Makefile9
-rw-r--r--arch/um/kernel/Makefile3
-rw-r--r--arch/um/kernel/init_task.c5
-rw-r--r--arch/um/kernel/vmlinux.lds.S3
4 files changed, 12 insertions, 8 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 0728def32234..fc633dbacf84 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 := $(ELF_FORMAT)
# The wrappers will select whether using "malloc" or the kernel allocator.
LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free -Wl,--wrap,calloc
diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile
index 388ec0a3ea9b..1119233597a1 100644
--- a/arch/um/kernel/Makefile
+++ b/arch/um/kernel/Makefile
@@ -3,6 +3,9 @@
# Licensed under the GPL
#
+CPPFLAGS_vmlinux.lds := -U$(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 b25121b537d8..8aa77b61a5ff 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/vmlinux.lds.S b/arch/um/kernel/vmlinux.lds.S
index f8aeb448aab6..16e49bfa2b42 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