linux-kernel - [PATCH RFC 01/14] vdso: add struct __kernel_old

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Message-Id: <20250724-vdso-sparc64-generic-2-v1-1-e376a3bd24d1@linutronix.de>
Date: Thu, 24 Jul 2025 08:26:51 +0200
From: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
To: Andy Lutomirski <luto@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, 
 Vincenzo Frascino <vincenzo.frascino@....com>, 
 Arnd Bergmann <arnd@...db.de>, Shuah Khan <shuah@...nel.org>, 
 "David S. Miller" <davem@...emloft.net>, 
 Andreas Larsson <andreas@...sler.com>, 
 Nagarathnam Muthusamy <nagarathnam.muthusamy@...cle.com>, 
 Shannon Nelson <shannon.nelson@....com>, 
 Nick Alcock <nick.alcock@...cle.com>, John Stultz <jstultz@...gle.com>, 
 Stephen Boyd <sboyd@...nel.org>, 
 John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 sparclinux@...r.kernel.org, 
 Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Subject: [PATCH RFC 01/14] vdso: add struct __kernel_old_timeval forward
 declaration to gettime.h

The prototype of __vdso_gettimeofday() uses this struct.
However gettime.h's own includes do not provide a definition for it.

Add a forward declaration, similar to other used structs.

Fixes: 42874e4eb35b ("arch: vdso: consolidate gettime prototypes")
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
---
 include/vdso/gettime.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/vdso/gettime.h b/include/vdso/gettime.h
index c50d152e7b3e0670ea87cb51452c0a03b98403a0..9ac161866653a01c2a54702cb72fe5bda488ee2c 100644
--- a/include/vdso/gettime.h
+++ b/include/vdso/gettime.h
@@ -5,6 +5,7 @@
 #include <linux/types.h>

 struct __kernel_timespec;
+struct __kernel_old_timeval;
 struct timezone;

 #if !defined(CONFIG_64BIT) || defined(BUILD_VDSO32_64)

-- 
2.50.1