linux-stable/arch/x86/entry/thunk_64.S
Masahiro Yamada 94ea9c0521 x86/headers: Replace #include <asm/export.h> with #include <linux/export.h>
The following commit:

  ddb5cdbafa ("kbuild: generate KSYMTAB entries by modpost")

deprecated <asm/export.h>, which is now a wrapper of <linux/export.h>.

Use <linux/export.h> in *.S as well as in *.c files.

After all the <asm/export.h> lines are replaced, <asm/export.h> and
<asm-generic/export.h> will be removed.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230806145958.380314-2-masahiroy@kernel.org
2023-10-03 10:38:07 +02:00

48 lines
955 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Save registers before calling assembly functions. This avoids
* disturbance of register allocation in some inline assembly constructs.
* Copyright 2001,2002 by Andi Kleen, SuSE Labs.
*/
#include <linux/export.h>
#include <linux/linkage.h>
#include "calling.h"
#include <asm/asm.h>
/* rdi: arg1 ... normal C conventions. rax is saved/restored. */
.macro THUNK name, func
SYM_FUNC_START(\name)
pushq %rbp
movq %rsp, %rbp
pushq %rdi
pushq %rsi
pushq %rdx
pushq %rcx
pushq %rax
pushq %r8
pushq %r9
pushq %r10
pushq %r11
call \func
popq %r11
popq %r10
popq %r9
popq %r8
popq %rax
popq %rcx
popq %rdx
popq %rsi
popq %rdi
popq %rbp
RET
SYM_FUNC_END(\name)
_ASM_NOKPROBE(\name)
.endm
THUNK preempt_schedule_thunk, preempt_schedule
THUNK preempt_schedule_notrace_thunk, preempt_schedule_notrace
EXPORT_SYMBOL(preempt_schedule_thunk)
EXPORT_SYMBOL(preempt_schedule_notrace_thunk)