Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 97 insertions, 0 deletions

diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
new file mode 100644
index 000000000..3c883c368
--- /dev/null
+++ b/arch/s390/include/asm/thread_info.h
@@ -0,0 +1,97 @@
+/* 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/const.h>
+
+/*
+ * Size of kernel stack for each process
+ */
+#define THREAD_SIZE_ORDER 2
+#define ASYNC_ORDER  2
+
+#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
+#define ASYNC_SIZE  (PAGE_SIZE << ASYNC_ORDER)
+
+#ifndef __ASSEMBLY__
+#include <asm/lowcore.h>
+#include <asm/page.h>
+#include <asm/processor.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 */
+};
+
+/*
+ * macros/functions for gaining access to the thread information structure
+ */
+#define INIT_THREAD_INFO(tsk)			\
+{						\
+	.flags		= 0,			\
+}
+
+void arch_release_task_struct(struct task_struct *tsk);
+int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
+
+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_ISOLATE_BP		8	/* Run process with isolated BP */
+#define TIF_ISOLATE_BP_GUEST	9	/* Run KVM guests with isolated BP */
+
+#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	_BITUL(TIF_NOTIFY_RESUME)
+#define _TIF_SIGPENDING		_BITUL(TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED	_BITUL(TIF_NEED_RESCHED)
+#define _TIF_UPROBE		_BITUL(TIF_UPROBE)
+#define _TIF_GUARDED_STORAGE	_BITUL(TIF_GUARDED_STORAGE)
+#define _TIF_PATCH_PENDING	_BITUL(TIF_PATCH_PENDING)
+#define _TIF_ISOLATE_BP		_BITUL(TIF_ISOLATE_BP)
+#define _TIF_ISOLATE_BP_GUEST	_BITUL(TIF_ISOLATE_BP_GUEST)
+
+#define _TIF_31BIT		_BITUL(TIF_31BIT)
+#define _TIF_SINGLE_STEP	_BITUL(TIF_SINGLE_STEP)
+
+#define _TIF_SYSCALL_TRACE	_BITUL(TIF_SYSCALL_TRACE)
+#define _TIF_SYSCALL_AUDIT	_BITUL(TIF_SYSCALL_AUDIT)
+#define _TIF_SECCOMP		_BITUL(TIF_SECCOMP)
+#define _TIF_SYSCALL_TRACEPOINT	_BITUL(TIF_SYSCALL_TRACEPOINT)
+
+#endif /* _ASM_THREAD_INFO_H */