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authorLai Jiangshan2024-04-07 17:05:55 +0800
committerIngo Molnar2024-04-09 09:57:56 +0200
commitb767fe5de0b4a5057b070d8cdefdcf6740733d6e (patch)
treec334dbdae5bd6bd1747a5bb20cad89e5c7f7a593
parentfec50db7033ea478773b159e0e2efb135270e3b7 (diff)
x86/entry: Merge thunk_64.S and thunk_32.S into thunk.S
The code in thunk_64.S and thunk_32.S are exactly the same except for the comments. Merge them in to thunk.S. And since thunk_32.S was originated from thunk_64.S, the new merged thunk.S is actually renamed from thunk_64.S. Signed-off-by: Lai Jiangshan <jiangshan.ljs@antgroup.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20240407090558.3395-9-jiangshanlai@gmail.com
-rw-r--r--arch/x86/entry/Makefile2
-rw-r--r--arch/x86/entry/thunk.S (renamed from arch/x86/entry/thunk_64.S)0
-rw-r--r--arch/x86/entry/thunk_32.S18
3 files changed, 1 insertions, 19 deletions
diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile
index c93e7f5c2a06..ce1cc1622385 100644
--- a/arch/x86/entry/Makefile
+++ b/arch/x86/entry/Makefile
@@ -17,7 +17,7 @@ obj-y += common.o
obj-y += vdso/
obj-y += vsyscall/
-obj-$(CONFIG_PREEMPTION) += thunk_$(BITS).o
+obj-$(CONFIG_PREEMPTION) += thunk.o
CFLAGS_entry_fred.o += -fno-stack-protector
CFLAGS_REMOVE_entry_fred.o += -pg $(CC_FLAGS_FTRACE)
obj-$(CONFIG_X86_FRED) += entry_64_fred.o entry_fred.o
diff --git a/arch/x86/entry/thunk_64.S b/arch/x86/entry/thunk.S
index 119ebdc3d362..119ebdc3d362 100644
--- a/arch/x86/entry/thunk_64.S
+++ b/arch/x86/entry/thunk.S
diff --git a/arch/x86/entry/thunk_32.S b/arch/x86/entry/thunk_32.S
deleted file mode 100644
index da37f42f4549..000000000000
--- a/arch/x86/entry/thunk_32.S
+++ /dev/null
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Trampoline to trace irqs off. (otherwise CALLER_ADDR1 might crash)
- * Copyright 2008 by Steven Rostedt, Red Hat, Inc
- * (inspired by Andi Kleen's thunk_64.S)
- */
-
-#include <linux/export.h>
-#include <linux/linkage.h>
-#include <asm/asm.h>
-
-#include "calling.h"
-
-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)
-