1 files changed, 21 insertions, 51 deletions

diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h
index c03cd5a02364..7854d51b6639 100644
--- a/arch/um/include/asm/processor-generic.h
+++ b/arch/um/include/asm/processor-generic.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* 
  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- * Licensed under the GPL
  */
 
 #ifndef __UM_PROCESSOR_GENERIC_H
@@ -11,65 +11,40 @@ struct pt_regs;
 struct task_struct;
 
 #include <asm/ptrace.h>
-#include <registers.h>
 #include <sysdep/archsetjmp.h>
 
 #include <linux/prefetch.h>
 
+#include <asm/cpufeatures.h>
+
 struct mm_struct;
 
 struct thread_struct {
-	struct task_struct *saved_task;
-	struct pt_regs regs;
-	int singlestep_syscall;
-	void *fault_addr;
-	jmp_buf *fault_catcher;
+	struct pt_regs *segv_regs;
 	struct task_struct *prev_sched;
-	unsigned long temp_stack;
 	struct arch_thread arch;
 	jmp_buf switch_buf;
-	int mm_count;
 	struct {
-		int op;
-		union {
-			struct {
-				int pid;
-			} fork, exec;
-			struct {
-				int (*proc)(void *);
-				void *arg;
-			} thread;
-			struct {
-				void (*proc)(void *);
-				void *arg;
-			} cb;
-		} u;
+		struct {
+			int (*proc)(void *);
+			void *arg;
+		} thread;
 	} request;
+
+	void *segv_continue;
+
+	/* Contains variable sized FP registers */
+	struct pt_regs regs;
 };
 
 #define INIT_THREAD \
 { \
 	.regs		   	= EMPTY_REGS,	\
-	.fault_addr		= NULL, \
 	.prev_sched		= NULL, \
-	.temp_stack		= 0, \
 	.arch			= INIT_ARCH_THREAD, \
-	.request		= { 0 } \
-}
-
-static inline void release_thread(struct task_struct *task)
-{
+	.request		= { } \
 }
 
-extern unsigned long thread_saved_pc(struct task_struct *t);
-
-static inline void mm_copy_segments(struct mm_struct *from_mm,
-				    struct mm_struct *new_mm)
-{
-}
-
-#define init_stack	(init_thread_union.stack)
-
 /*
  * User space process size: 3GB (default).
  */
@@ -96,23 +71,18 @@ extern void start_thread(struct pt_regs *regs, unsigned long entry,
 
 struct cpuinfo_um {
 	unsigned long loops_per_jiffy;
-	int ipi_pipe[2];
+	int cache_alignment;
+	union {
+		__u32		x86_capability[NCAPINTS + NBUGINTS];
+		unsigned long	x86_capability_alignment;
+	};
 };
 
 extern struct cpuinfo_um boot_cpu_data;
 
-#define my_cpu_data		cpu_data[smp_processor_id()]
-
-#ifdef CONFIG_SMP
-extern struct cpuinfo_um cpu_data[];
-#define current_cpu_data cpu_data[smp_processor_id()]
-#else
-#define cpu_data (&boot_cpu_data)
-#define current_cpu_data boot_cpu_data
-#endif
-
+#define cache_line_size()	(boot_cpu_data.cache_alignment)
 
 #define KSTK_REG(tsk, reg) get_thread_reg(reg, &tsk->thread.switch_buf)
-extern unsigned long get_wchan(struct task_struct *p);
+extern unsigned long __get_wchan(struct task_struct *p);
 
 #endif