linux-kernel - [tip: timers/core] arm64: vdso: Use generic union vdso_data

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Date: Tue, 20 Feb 2024 20:04:29 -0000
From: "tip-bot2 for Anna-Maria Behnsen" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: "Anna-Maria Behnsen" <anna-maria@...utronix.de>,
 Thomas Gleixner <tglx@...utronix.de>,
 Vincenzo Frascino <vincenzo.frascino@....com>,
 Kees Cook <keescook@...omium.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: timers/core] arm64: vdso: Use generic union vdso_data_store

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     d0fba04847ae1dc7015a2e87d5e4ae1111f7744e
Gitweb:        https://git.kernel.org/tip/d0fba04847ae1dc7015a2e87d5e4ae1111f7744e
Author:        Anna-Maria Behnsen <anna-maria@...utronix.de>
AuthorDate:    Mon, 19 Feb 2024 16:39:34 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Tue, 20 Feb 2024 20:56:00 +01:00

arm64: 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>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@....com>
Reviewed-by: Kees Cook <keescook@...omium.org>
Link: https://lore.kernel.org/r/20240219153939.75719-6-anna-maria@linutronix.de

---
 arch/arm64/kernel/vdso.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index 5562daf..89b6e78 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -69,10 +69,7 @@ static struct vdso_abi_info vdso_info[] __ro_after_init = {
 /*
  * The vDSO data page.
  */
-static union {
-	struct vdso_data	data[CS_BASES];
-	u8			page[PAGE_SIZE];
-} vdso_data_store __page_aligned_data;
+static union vdso_data_store vdso_data_store __page_aligned_data;
 struct vdso_data *vdso_data = vdso_data_store.data;
 
 static int vdso_mremap(const struct vm_special_mapping *sm,