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| author | David Howells <dhowells@redhat.com> | 2018-01-08 10:39:35 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2018-01-08 10:45:21 +0000 |
| commit | 7066d746d1aa63c2e5d656eeb5c4b0bfad334c7a (patch) | |
| tree | 490f9301fe3bbeb7dace5aca359201a88a42f804 /arch/cris | |
| parent | 30a7acd573899fd8b8ac39236eff6468b195ac7d (diff) | |
| download | op-kernel-dev-7066d746d1aa63c2e5d656eeb5c4b0bfad334c7a.zip op-kernel-dev-7066d746d1aa63c2e5d656eeb5c4b0bfad334c7a.tar.gz | |
cris: Make THREAD_SIZE available to vmlinux.lds
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@roeck-us.net>
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
cc: Mikael Starvik <starvik@axis.com>
cc: Jesper Nilsson <jesper.nilsson@axis.com>
cc: linux-cris-kernel@axis.com
Diffstat (limited to 'arch/cris')
| -rw-r--r-- | arch/cris/include/asm/processor.h | 7 | ||||
| -rw-r--r-- | arch/cris/include/asm/thread_info.h | 7 | ||||
| -rw-r--r-- | 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 124dd5e..b509077 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 472830c..108f770 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 6d1dbc1..9b232e0 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 |
