enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/arch/x86/entry/thunk_64.S
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@@ -1,9 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Save registers before calling assembly functions. This avoids
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  * disturbance of register allocation in some inline assembly constructs.
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  * Copyright 2001,2002 by Andi Kleen, SuSE Labs.
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- * Added trace_hardirqs callers - Copyright 2007 Steven Rostedt, Red Hat, Inc.
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- * Subject to the GNU public license, v.2. No warranty of any kind.
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  */
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 #include <linux/linkage.h>
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 #include "calling.h"
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@@ -12,9 +11,7 @@
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 	/* rdi:	arg1 ... normal C conventions. rax is saved/restored. */
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 	.macro THUNK name, func, put_ret_addr_in_rdi=0
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-	.globl \name
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-	.type \name, @function
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-\name:
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+SYM_FUNC_START_NOALIGN(\name)
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 	pushq %rbp
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 	movq %rsp, %rbp
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@@ -34,30 +31,17 @@
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 	.endif
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 	call \func
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-	jmp  .L_restore
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+	jmp  __thunk_restore
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+SYM_FUNC_END(\name)
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 	_ASM_NOKPROBE(\name)
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 	.endm
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-#ifdef CONFIG_TRACE_IRQFLAGS
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-	THUNK trace_hardirqs_on_thunk,trace_hardirqs_on_caller,1
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-	THUNK trace_hardirqs_off_thunk,trace_hardirqs_off_caller,1
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-#endif
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+	THUNK preempt_schedule_thunk, preempt_schedule
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+	THUNK preempt_schedule_notrace_thunk, preempt_schedule_notrace
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+	EXPORT_SYMBOL(preempt_schedule_thunk)
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+	EXPORT_SYMBOL(preempt_schedule_notrace_thunk)
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-#ifdef CONFIG_DEBUG_LOCK_ALLOC
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-	THUNK lockdep_sys_exit_thunk,lockdep_sys_exit
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-#endif
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-
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-#ifdef CONFIG_PREEMPT
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-	THUNK ___preempt_schedule, preempt_schedule
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-	THUNK ___preempt_schedule_notrace, preempt_schedule_notrace
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-	EXPORT_SYMBOL(___preempt_schedule)
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-	EXPORT_SYMBOL(___preempt_schedule_notrace)
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-#endif
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-
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-#if defined(CONFIG_TRACE_IRQFLAGS) \
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- || defined(CONFIG_DEBUG_LOCK_ALLOC) \
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- || defined(CONFIG_PREEMPT)
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-.L_restore:
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+SYM_CODE_START_LOCAL_NOALIGN(__thunk_restore)
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 	popq %r11
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 	popq %r10
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 	popq %r9
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@@ -68,6 +52,6 @@
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 	popq %rsi
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 	popq %rdi
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 	popq %rbp
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-	ret
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-	_ASM_NOKPROBE(.L_restore)
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-#endif
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+	RET
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+	_ASM_NOKPROBE(__thunk_restore)
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+SYM_CODE_END(__thunk_restore)