Thread (9 messages) 9 messages, 2 authors, 2026-02-03

[PATCH v6 4/6] x86/vdso: Use SYM_FUNC_{START,END} in __kernel_vsyscall()

From: Jens Remus <hidden>
Date: 2026-01-29 11:28:18
Also in: bpf, linux-mm, lkml
Subsystem: the rest, x86 architecture (32-bit and 64-bit), x86 entry code, x86 vdso · Maintainers: Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen, Andy Lutomirski

From: Josh Poimboeuf <jpoimboe@kernel.org>

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

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Jens Remus <redacted>
---
 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
-- 
2.51.0
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help