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linux-headers-6.8.0-36
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arch
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s390
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thread_info.h
/* SPDX-License-Identifier: GPL-2.0 */ /* * S390 version * Copyright IBM Corp. 2002, 2006 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) */ #ifndef _ASM_THREAD_INFO_H #define _ASM_THREAD_INFO_H #include <linux/bits.h> #ifndef ASM_OFFSETS_C #include <asm/asm-offsets.h> #endif /* * General size of kernel stacks */ #ifdef CONFIG_KASAN #define THREAD_SIZE_ORDER 4 #else #define THREAD_SIZE_ORDER 2 #endif #define BOOT_STACK_SIZE (PAGE_SIZE << 2) #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) #define STACK_INIT_OFFSET (THREAD_SIZE - STACK_FRAME_OVERHEAD - __PT_SIZE) #ifndef __ASSEMBLY__ #include <asm/lowcore.h> #include <asm/page.h> /* * low level task data that entry.S needs immediate access to * - this struct should fit entirely inside of one cache line * - this struct shares the supervisor stack pages * - if the contents of this structure are changed, the assembly constants must also be changed */ struct thread_info { unsigned long flags; /* low level flags */ unsigned long syscall_work; /* SYSCALL_WORK_ flags */ unsigned int cpu; /* current CPU */ }; /* * macros/functions for gaining access to the thread information structure */ #define INIT_THREAD_INFO(tsk) \ { \ .flags = 0, \ } struct task_struct; void arch_setup_new_exec(void); #define arch_setup_new_exec arch_setup_new_exec #endif /* * thread information flags bit numbers */ /* _TIF_WORK bits */ #define TIF_NOTIFY_RESUME 0 /* callback before returning to user */ #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_UPROBE 3 /* breakpointed or single-stepping */ #define TIF_GUARDED_STORAGE 4 /* load guarded storage control block */ #define TIF_PATCH_PENDING 5 /* pending live patching update */ #define TIF_PGSTE 6 /* New mm's will use 4K page tables */ #define TIF_NOTIFY_SIGNAL 7 /* signal notifications exist */ #define TIF_ISOLATE_BP_GUEST 9 /* Run KVM guests with isolated BP */ #define TIF_PER_TRAP 10 /* Need to handle PER trap on exit to usermode */ #define TIF_31BIT 16 /* 32bit process */ #define TIF_MEMDIE 17 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 18 /* restore signal mask in do_signal() */ #define TIF_SINGLE_STEP 19 /* This task is single stepped */ #define TIF_BLOCK_STEP 20 /* This task is block stepped */ #define TIF_UPROBE_SINGLESTEP 21 /* This task is uprobe single stepped */ /* _TIF_TRACE bits */ #define TIF_SYSCALL_TRACE 24 /* syscall trace active */ #define TIF_SYSCALL_AUDIT 25 /* syscall auditing active */ #define TIF_SECCOMP 26 /* secure computing */ #define TIF_SYSCALL_TRACEPOINT 27 /* syscall tracepoint instrumentation */ #define _TIF_NOTIFY_RESUME BIT(TIF_NOTIFY_RESUME) #define _TIF_NOTIFY_SIGNAL BIT(TIF_NOTIFY_SIGNAL) #define _TIF_SIGPENDING BIT(TIF_SIGPENDING) #define _TIF_NEED_RESCHED BIT(TIF_NEED_RESCHED) #define _TIF_UPROBE BIT(TIF_UPROBE) #define _TIF_GUARDED_STORAGE BIT(TIF_GUARDED_STORAGE) #define _TIF_PATCH_PENDING BIT(TIF_PATCH_PENDING) #define _TIF_ISOLATE_BP_GUEST BIT(TIF_ISOLATE_BP_GUEST) #define _TIF_PER_TRAP BIT(TIF_PER_TRAP) #define _TIF_31BIT BIT(TIF_31BIT) #define _TIF_SINGLE_STEP BIT(TIF_SINGLE_STEP) #define _TIF_SYSCALL_TRACE BIT(TIF_SYSCALL_TRACE) #define _TIF_SYSCALL_AUDIT BIT(TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP BIT(TIF_SECCOMP) #define _TIF_SYSCALL_TRACEPOINT BIT(TIF_SYSCALL_TRACEPOINT) #endif /* _ASM_THREAD_INFO_H */
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