MIPS: vdso: Use generic union vdso_data_store

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>
Link: https://lore.kernel.org/r/20240219153939.75719-10-anna-maria@linutronix.de

diff --git a/arch/mips/include/asm/vdso.h b/arch/mips/include/asm/vdso.h
index cc7b516129a8fbc43bf532a85fac26801a2ba753..afb03d45bcd0d83716adf2d867c814f5f0fb0d1f 100644 (file)
--- a/arch/mips/include/asm/vdso.h
+++ b/arch/mips/include/asm/vdso.h
@@ -50,9 +50,4 @@ extern struct mips_vdso_image vdso_image_o32;
 extern struct mips_vdso_image vdso_image_n32;
 #endif
 
-union mips_vdso_data {
-       struct vdso_data data[CS_BASES];
-       u8 page[PAGE_SIZE];
-};
-
 #endif /* __ASM_VDSO_H */

diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c
index f6d40e43f10851205b03a84dbe0a82b227038f2c..dda36fa26307e27d3de414c811450ed912294a0e 100644 (file)
--- a/arch/mips/kernel/vdso.c
+++ b/arch/mips/kernel/vdso.c
@@ -24,7 +24,7 @@
 #include <vdso/vsyscall.h>
 
 /* Kernel-provided data used by the VDSO. */
-static union mips_vdso_data mips_vdso_data __page_aligned_data;
+static union vdso_data_store mips_vdso_data __page_aligned_data;
 struct vdso_data *vdso_data = mips_vdso_data.data;
 
 /*