diff options
Diffstat (limited to 'include/asm-ppc64/thread_info.h')
| -rw-r--r-- | include/asm-ppc64/thread_info.h | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/include/asm-ppc64/thread_info.h b/include/asm-ppc64/thread_info.h deleted file mode 100644 index 0494df6fca74..000000000000 --- a/include/asm-ppc64/thread_info.h +++ /dev/null @@ -1,125 +0,0 @@ -/* thread_info.h: PPC low-level thread information - * adapted from the i386 version by Paul Mackerras - * - * Copyright (C) 2002 David Howells (dhowells@redhat.com) - * - Incorporating suggestions made by Linus Torvalds and Dave Miller - */ - -#ifndef _ASM_THREAD_INFO_H -#define _ASM_THREAD_INFO_H - -#ifdef __KERNEL__ - -#ifndef __ASSEMBLY__ -#include <linux/config.h> -#include <linux/cache.h> -#include <asm/processor.h> -#include <asm/page.h> -#include <linux/stringify.h> - -/* - * low level task data. - */ -struct thread_info { - struct task_struct *task; /* main task structure */ - struct exec_domain *exec_domain; /* execution domain */ - int cpu; /* cpu we're on */ - int preempt_count; /* 0 => preemptable, <0 => BUG */ - struct restart_block restart_block; - /* set by force_successful_syscall_return */ - unsigned char syscall_noerror; - /* low level flags - has atomic operations done on it */ - unsigned long flags ____cacheline_aligned_in_smp; -}; - -/* - * macros/functions for gaining access to the thread information structure - * - * preempt_count needs to be 1 initially, until the scheduler is functional. - */ -#define INIT_THREAD_INFO(tsk) \ -{ \ - .task = &tsk, \ - .exec_domain = &default_exec_domain, \ - .cpu = 0, \ - .preempt_count = 1, \ - .restart_block = { \ - .fn = do_no_restart_syscall, \ - }, \ - .flags = 0, \ -} - -#define init_thread_info (init_thread_union.thread_info) -#define init_stack (init_thread_union.stack) - -/* thread information allocation */ - -#define THREAD_ORDER 2 -#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) -#define THREAD_SHIFT (PAGE_SHIFT + THREAD_ORDER) -#ifdef CONFIG_DEBUG_STACK_USAGE -#define alloc_thread_info(tsk) \ - ({ \ - struct thread_info *ret; \ - \ - ret = kmalloc(THREAD_SIZE, GFP_KERNEL); \ - if (ret) \ - memset(ret, 0, THREAD_SIZE); \ - ret; \ - }) -#else -#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL) -#endif -#define free_thread_info(ti) kfree(ti) -#define get_thread_info(ti) get_task_struct((ti)->task) -#define put_thread_info(ti) put_task_struct((ti)->task) - -/* how to get the thread information struct from C */ -static inline struct thread_info *current_thread_info(void) -{ - struct thread_info *ti; - __asm__("clrrdi %0,1,%1" : "=r"(ti) : "i" (THREAD_SHIFT)); - return ti; -} - -#endif /* __ASSEMBLY__ */ - -#define PREEMPT_ACTIVE 0x10000000 - -/* - * thread information flag bit numbers - */ -#define TIF_SYSCALL_TRACE 0 /* syscall trace active */ -#define TIF_NOTIFY_RESUME 1 /* resumption notification requested */ -#define TIF_SIGPENDING 2 /* signal pending */ -#define TIF_NEED_RESCHED 3 /* rescheduling necessary */ -#define TIF_POLLING_NRFLAG 4 /* true if poll_idle() is polling - TIF_NEED_RESCHED */ -#define TIF_32BIT 5 /* 32 bit binary */ -/* #define SPARE 6 */ -#define TIF_ABI_PENDING 7 /* 32/64 bit switch needed */ -#define TIF_SYSCALL_AUDIT 8 /* syscall auditing active */ -#define TIF_SINGLESTEP 9 /* singlestepping active */ -#define TIF_MEMDIE 10 -#define TIF_SECCOMP 11 /* secure computing */ - -/* as above, but as bit values */ -#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) -#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) -#define _TIF_SIGPENDING (1<<TIF_SIGPENDING) -#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_32BIT (1<<TIF_32BIT) -/* #define _SPARE (1<<SPARE) */ -#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) -#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) -#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) -#define _TIF_SECCOMP (1<<TIF_SECCOMP) -#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP) - -#define _TIF_USER_WORK_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | \ - _TIF_NEED_RESCHED) - -#endif /* __KERNEL__ */ - -#endif /* _ASM_THREAD_INFO_H */ |