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arm64: vdso: Use generic union vdso_data_store

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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@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20240219153939.75719-6-anna-maria@linutronix.de
This commit is contained in:
Anna-Maria Behnsen 2024-02-19 16:39:34 +01:00 committed by Thomas Gleixner
parent a0d2fcd62a
commit d0fba04847
1 changed files with 1 additions and 4 deletions
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5
arch/arm64/kernel/vdso.c
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@ -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,