x86: Rename __{start,end}_init_task to __{start,end}_init_stack

The stack of a task has been separated from the memory of a task_struct
struture for a long time on x86, as a result __{start,end}_init_task no
longer mark the start and end of the init_task structure, but its stack
only.

Rename __{start,end}_init_task to __{start,end}_init_stack.

Note other architectures are not affected because __{start,end}_init_task
are used on x86 only.

Signed-off-by: Xin Li (Intel) <xin@zytor.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20240322081616.3346181-1-xin@zytor.com

diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 91085c3430de61206078ef377c1e8394d631ffb2..4c04a366f07d111091cbc9aeedd501c576d6abc2 100644 (file)
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -173,7 +173,7 @@ SECTIONS
                INIT_TASK_DATA(THREAD_SIZE)
 
                /* equivalent to task_pt_regs(&init_task) */
-               __top_init_kernel_stack = __end_init_task - TOP_OF_KERNEL_STACK_PADDING - PTREGS_SIZE;
+               __top_init_kernel_stack = __end_init_stack - TOP_OF_KERNEL_STACK_PADDING - PTREGS_SIZE;
 
 #ifdef CONFIG_X86_32
                /* 32 bit has nosave before _edata */

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index f7749d0f2562f11fd8ca4112e0e7d99e79305780..87082434e244bad5f869b81fe1b07c76f18ff08f 100644 (file)
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -399,13 +399,13 @@
 
 #define INIT_TASK_DATA(align)                                          \
        . = ALIGN(align);                                               \
-       __start_init_task = .;                                          \
+       __start_init_stack = .;                                         \
        init_thread_union = .;                                          \
        init_stack = .;                                                 \
        KEEP(*(.data..init_task))                                       \
        KEEP(*(.data..init_thread_info))                                \
-       . = __start_init_task + THREAD_SIZE;                            \
-       __end_init_task = .;
+       . = __start_init_stack + THREAD_SIZE;                           \
+       __end_init_stack = .;
 
 #define JUMP_TABLE_DATA                                                        \
        . = ALIGN(8);                                                   \