linux-kernel - [PATCH 10/10] csky/vdso: Use generic union vdso_data

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Date: Mon, 19 Feb 2024 16:39:39 +0100
From: Anna-Maria Behnsen <anna-maria@...utronix.de>
To: linux-kernel@...r.kernel.org
Cc: Andy Lutomirski <luto@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Vincenzo Frascino <vincenzo.frascino@....com>,
	Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Guo Ren <guoren@...nel.org>,
	linux-csky@...r.kernel.org
Subject: [PATCH 10/10] csky/vdso: Use generic union vdso_data_store

There is already a generic union definition for vdso_data_store in vdso
datapage header.

Use this definition to prevent code duplication.

Signed-off-by: Anna-Maria Behnsen <anna-maria@...utronix.de>
Cc: Guo Ren <guoren@...nel.org>
Cc: linux-csky@...r.kernel.org
---
 arch/csky/kernel/vdso.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/arch/csky/kernel/vdso.c b/arch/csky/kernel/vdso.c
index e74a2504d331..2ca886e4a458 100644
--- a/arch/csky/kernel/vdso.c
+++ b/arch/csky/kernel/vdso.c
@@ -15,14 +15,8 @@ extern char vdso_start[], vdso_end[];
 static unsigned int vdso_pages;
 static struct page **vdso_pagelist;
 
-/*
- * The vDSO data page.
- */
-static union {
-	struct vdso_data	data;
-	u8			page[PAGE_SIZE];
-} vdso_data_store __page_aligned_data;
-struct vdso_data *vdso_data = &vdso_data_store.data;
+static union vdso_data_store vdso_data_store __page_aligned_data;
+struct vdso_data *vdso_data = vdso_data_store.data;
 
 static int __init vdso_init(void)
 {
-- 
2.39.2