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s390/vdso: Use generic union vdso_data_store

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There is already a generic union definition for vdso_data_store in the 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>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://lore.kernel.org/r/20240219153939.75719-8-anna-maria@linutronix.de
This commit is contained in:
Anna-Maria Behnsen 2024-02-19 16:39:36 +01:00 committed by Thomas Gleixner
parent eba755314f
commit cb3444cfdb
1 changed files with 1 additions and 4 deletions
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5
arch/s390/kernel/vdso.c
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@ -25,10 +25,7 @@ extern char vdso32_start[], vdso32_end[];
static struct vm_special_mapping vvar_mapping;
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;