[tip: timers/core] arm64: vdso: Use generic union vdso_data_store

From: tip-bot2 for Anna-Maria Behnsen
Date: Tue Feb 20 2024 - 15:05:18 EST


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@xxxxxxxxxxxxx>
AuthorDate: Mon, 19 Feb 2024 16:39:34 +01:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240219153939.75719-6-anna-maria@xxxxxxxxxxxxx

---
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,