linux-kernel - [PATCH 4/6] x86/vdso: Use SYM_FUNC_{START,END} in __kernel

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Message-ID: <20250425024022.824085179@goodmis.org>
Date: Thu, 24 Apr 2025 22:37:54 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org
Cc: Masami Hiramatsu <mhiramat@...nel.org>,
 Mark Rutland <mark.rutland@....com>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Josh Poimboeuf <jpoimboe@...nel.org>,
 Jens Remus <jremus@...ux.ibm.com>,
 x86@...nel.org,
 Peter Zijlstra <peterz@...radead.org>,
 Ingo Molnar <mingo@...nel.org>,
 Indu Bhagat <indu.bhagat@...cle.com>,
 Andy Lutomirski <luto@...nel.org>,
 Thomas Gleixner <tglx@...utronix.de>,
 Borislav Petkov <bp@...en8.de>,
 Dave Hansen <dave.hansen@...ux.intel.com>,
 "H. Peter Anvin" <hpa@...or.com>
Subject: [PATCH 4/6] x86/vdso: Use SYM_FUNC_{START,END} in __kernel_vsyscall()

From: Josh Poimboeuf <jpoimboe@...nel.org>

Use SYM_FUNC_{START,END} instead of all the boilerplate.  No functional
change.

Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
 arch/x86/entry/vdso/vdso32/system_call.S | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S
index d33c6513fd2c..bdc576548240 100644
--- a/arch/x86/entry/vdso/vdso32/system_call.S
+++ b/arch/x86/entry/vdso/vdso32/system_call.S
@@ -9,11 +9,7 @@
 #include <asm/alternative.h>

 	.text
-	.globl __kernel_vsyscall
-	.type __kernel_vsyscall,@function
-	ALIGN
-__kernel_vsyscall:
-	CFI_STARTPROC
+SYM_FUNC_START(__kernel_vsyscall)
 	/*
 	 * Reshuffle regs so that all of any of the entry instructions
 	 * will preserve enough state.
@@ -79,7 +75,5 @@ SYM_INNER_LABEL(int80_landing_pad, SYM_L_GLOBAL)
 	CFI_RESTORE		ecx
 	CFI_ADJUST_CFA_OFFSET	-4
 	RET
-	CFI_ENDPROC
-
-	.size __kernel_vsyscall,.-__kernel_vsyscall
+SYM_FUNC_END(__kernel_vsyscall)
 	.previous
-- 
2.47.2