mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-20 10:44:23 +08:00
c65eacbe29
If an arch opts in by setting CONFIG_THREAD_INFO_IN_TASK_STRUCT, then thread_info is defined as a single 'u32 flags' and is the first entry of task_struct. thread_info::task is removed (it serves no purpose if thread_info is embedded in task_struct), and thread_info::cpu gets its own slot in task_struct. This is heavily based on a patch written by Linus. Originally-from: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jann Horn <jann@thejh.net> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/a0898196f0476195ca02713691a5037a14f2aac5.1473801993.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
30 lines
770 B
C
30 lines
770 B
C
#include <linux/init_task.h>
|
|
#include <linux/export.h>
|
|
#include <linux/mqueue.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/sched/sysctl.h>
|
|
#include <linux/sched/rt.h>
|
|
#include <linux/init.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/mm.h>
|
|
|
|
#include <asm/pgtable.h>
|
|
#include <asm/uaccess.h>
|
|
|
|
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
|
|
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
|
|
|
|
/* Initial task structure */
|
|
struct task_struct init_task = INIT_TASK(init_task);
|
|
EXPORT_SYMBOL(init_task);
|
|
|
|
/*
|
|
* Initial thread structure. Alignment of this is handled by a special
|
|
* linker map entry.
|
|
*/
|
|
union thread_union init_thread_union __init_task_data = {
|
|
#ifndef CONFIG_THREAD_INFO_IN_TASK
|
|
INIT_THREAD_INFO(init_task)
|
|
#endif
|
|
};
|