Make THREAD_SIZE available to vmlinux.lds on cris by moving it to asm/thread_info.h and including that from the linker script. This allows init_stack to be allocated in the linker script in a subsequent patch. Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx> Signed-off-by: David Howells <dhowells@xxxxxxxxxx> Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx> cc: Mikael Starvik <starvik@xxxxxxxx> cc: Jesper Nilsson <jesper.nilsson@xxxxxxxx> cc: linux-cris-kernel@xxxxxxxx --- arch/cris/include/asm/processor.h | 7 ------- arch/cris/include/asm/thread_info.h | 7 +++++++ arch/cris/kernel/vmlinux.lds.S | 1 + 3 files changed, 8 insertions(+), 7 deletions(-) diff --git a/arch/cris/include/asm/processor.h b/arch/cris/include/asm/processor.h index 124dd5ec7f65..b50907799cb2 100644 --- a/arch/cris/include/asm/processor.h +++ b/arch/cris/include/asm/processor.h @@ -26,13 +26,6 @@ struct task_struct; */ #define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3)) -/* THREAD_SIZE is the size of the thread_info/kernel_stack combo. - * normally, the stack is found by doing something like p + THREAD_SIZE - * in CRIS, a page is 8192 bytes, which seems like a sane size - */ -#define THREAD_SIZE PAGE_SIZE -#define THREAD_SIZE_ORDER (0) - /* * At user->kernel entry, the pt_regs struct is stacked on the top of the kernel-stack. * This macro allows us to find those regs for a task. diff --git a/arch/cris/include/asm/thread_info.h b/arch/cris/include/asm/thread_info.h index 472830c90997..108f77081a3c 100644 --- a/arch/cris/include/asm/thread_info.h +++ b/arch/cris/include/asm/thread_info.h @@ -20,6 +20,13 @@ #endif +/* THREAD_SIZE is the size of the thread_info/kernel_stack combo. + * normally, the stack is found by doing something like p + THREAD_SIZE + * in CRIS, a page is 8192 bytes, which seems like a sane size + */ +#define THREAD_SIZE PAGE_SIZE +#define THREAD_SIZE_ORDER (0) + /* * low level task data that entry.S needs immediate access to * - this struct should fit entirely inside of one cache line diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S index 6d1dbc1ba767..9b232e0f673e 100644 --- a/arch/cris/kernel/vmlinux.lds.S +++ b/arch/cris/kernel/vmlinux.lds.S @@ -11,6 +11,7 @@ #include <asm-generic/vmlinux.lds.h> #include <asm/page.h> +#include <asm/thread_info.h> #ifdef CONFIG_ETRAX_VMEM_SIZE #define __CONFIG_ETRAX_VMEM_SIZE CONFIG_ETRAX_VMEM_SIZE
