Merge branch 'linus' into x86/core

Conflicts:
	arch/x86/kernel/genapic_64.c
	include/asm-x86/kvm_host.h

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 148 insertions, 0 deletions

diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
new file mode 100644
index 00000000000..7c60fcdd2ef
--- /dev/null
+++ b/arch/ia64/include/asm/thread_info.h
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2002-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+#ifndef _ASM_IA64_THREAD_INFO_H
+#define _ASM_IA64_THREAD_INFO_H
+
+#ifndef ASM_OFFSETS_C
+#include <asm/asm-offsets.h>
+#endif
+#include <asm/processor.h>
+#include <asm/ptrace.h>
+
+#define PREEMPT_ACTIVE_BIT 30
+#define PREEMPT_ACTIVE	(1 << PREEMPT_ACTIVE_BIT)
+
+#ifndef __ASSEMBLY__
+
+/*
+ * On IA-64, we want to keep the task structure and kernel stack together, so they can be
+ * mapped by a single TLB entry and so they can be addressed by the "current" pointer
+ * without having to do pointer masking.
+ */
+struct thread_info {
+	struct task_struct *task;	/* XXX not really needed, except for dup_task_struct() */
+	struct exec_domain *exec_domain;/* execution domain */
+	__u32 flags;			/* thread_info flags (see TIF_*) */
+	__u32 cpu;			/* current CPU */
+	__u32 last_cpu;			/* Last CPU thread ran on */
+	__u32 status;			/* Thread synchronous flags */
+	mm_segment_t addr_limit;	/* user-level address space limit */
+	int preempt_count;		/* 0=premptable, <0=BUG; will also serve as bh-counter */
+	struct restart_block restart_block;
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+	__u64 ac_stamp;
+	__u64 ac_leave;
+	__u64 ac_stime;
+	__u64 ac_utime;
+#endif
+};
+
+#define THREAD_SIZE			KERNEL_STACK_SIZE
+
+#define INIT_THREAD_INFO(tsk)			\
+{						\
+	.task		= &tsk,			\
+	.exec_domain	= &default_exec_domain,	\
+	.flags		= 0,			\
+	.cpu		= 0,			\
+	.addr_limit	= KERNEL_DS,		\
+	.preempt_count	= 0,			\
+	.restart_block = {			\
+		.fn = do_no_restart_syscall,	\
+	},					\
+}
+
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
+#ifndef ASM_OFFSETS_C
+/* how to get the thread information struct from C */
+#define current_thread_info()	((struct thread_info *) ((char *) current + IA64_TASK_SIZE))
+#define alloc_thread_info(tsk)	((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
+#define task_thread_info(tsk)	((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
+#else
+#define current_thread_info()	((struct thread_info *) 0)
+#define alloc_thread_info(tsk)	((struct thread_info *) 0)
+#define task_thread_info(tsk)	((struct thread_info *) 0)
+#endif
+#define free_thread_info(ti)	/* nothing */
+#define task_stack_page(tsk)	((void *)(tsk))
+
+#define __HAVE_THREAD_FUNCTIONS
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+#define setup_thread_stack(p, org)			\
+	*task_thread_info(p) = *task_thread_info(org);	\
+	task_thread_info(p)->ac_stime = 0;		\
+	task_thread_info(p)->ac_utime = 0;		\
+	task_thread_info(p)->task = (p);
+#else
+#define setup_thread_stack(p, org) \
+	*task_thread_info(p) = *task_thread_info(org); \
+	task_thread_info(p)->task = (p);
+#endif
+#define end_of_stack(p) (unsigned long *)((void *)(p) + IA64_RBS_OFFSET)
+
+#define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
+#define alloc_task_struct()	((struct task_struct *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER))
+#define free_task_struct(tsk)	free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
+
+#define tsk_set_notify_resume(tsk) \
+	set_ti_thread_flag(task_thread_info(tsk), TIF_NOTIFY_RESUME)
+extern void tsk_clear_notify_resume(struct task_struct *tsk);
+#endif /* !__ASSEMBLY */
+
+/*
+ * thread information flags
+ * - these are process state flags that various assembly files may need to access
+ * - pending work-to-be-done flags are in least-significant 16 bits, other flags
+ *   in top 16 bits
+ */
+#define TIF_SIGPENDING		0	/* signal pending */
+#define TIF_NEED_RESCHED	1	/* rescheduling necessary */
+#define TIF_SYSCALL_TRACE	2	/* syscall trace active */
+#define TIF_SYSCALL_AUDIT	3	/* syscall auditing active */
+#define TIF_SINGLESTEP		4	/* restore singlestep on return to user mode */
+#define TIF_NOTIFY_RESUME	6	/* resumption notification requested */
+#define TIF_POLLING_NRFLAG	16	/* true if poll_idle() is polling TIF_NEED_RESCHED */
+#define TIF_MEMDIE		17
+#define TIF_MCA_INIT		18	/* this task is processing MCA or INIT */
+#define TIF_DB_DISABLED		19	/* debug trap disabled for fsyscall */
+#define TIF_FREEZE		20	/* is freezing for suspend */
+#define TIF_RESTORE_RSE		21	/* user RBS is newer than kernel RBS */
+
+#define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
+#define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)
+#define _TIF_SINGLESTEP		(1 << TIF_SINGLESTEP)
+#define _TIF_SYSCALL_TRACEAUDIT	(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP)
+#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_MCA_INIT		(1 << TIF_MCA_INIT)
+#define _TIF_DB_DISABLED	(1 << TIF_DB_DISABLED)
+#define _TIF_FREEZE		(1 << TIF_FREEZE)
+#define _TIF_RESTORE_RSE	(1 << TIF_RESTORE_RSE)
+
+/* "work to do on user-return" bits */
+#define TIF_ALLWORK_MASK	(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SYSCALL_AUDIT|\
+				 _TIF_NEED_RESCHED|_TIF_SYSCALL_TRACE)
+/* like TIF_ALLWORK_BITS but sans TIF_SYSCALL_TRACE or TIF_SYSCALL_AUDIT */
+#define TIF_WORK_MASK		(TIF_ALLWORK_MASK&~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT))
+
+#define TS_POLLING		1 	/* true if in idle loop and not sleeping */
+#define TS_RESTORE_SIGMASK	2	/* restore signal mask in do_signal() */
+
+#define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING)
+
+#ifndef __ASSEMBLY__
+#define HAVE_SET_RESTORE_SIGMASK	1
+static inline void set_restore_sigmask(void)
+{
+	struct thread_info *ti = current_thread_info();
+	ti->status |= TS_RESTORE_SIGMASK;
+	set_bit(TIF_SIGPENDING, &ti->flags);
+}
+#endif	/* !__ASSEMBLY__ */
+
+#endif /* _ASM_IA64_THREAD_INFO_H */