[PATCH v6 11/14] sparc64: vdso2c: Drop sym_vvar_start handling

Thomas Weißschuh
2026-03-04T07:50:37Z

After the adoption of the generic vDSO library this symbol does not exist.

The alignment invariant is now guaranteed by the generic code.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Tested-by: Andreas Larsson <andreas@gaisler.com>
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: Andreas Larsson <andreas@gaisler.com>
---
arch/sparc/include/asm/vdso.h | 2 --
arch/sparc/vdso/vdso2c.c | 6 ------
arch/sparc/vdso/vdso2c.h | 4 ----
3 files changed, 12 deletions(-)

diff --git a/arch/sparc/include/asm/vdso.h b/arch/sparc/include/asm/vdso.h
index 59e79d35cd73..f08562d10215 100644
--- a/arch/sparc/include/asm/vdso.h
+++ b/arch/sparc/include/asm/vdso.h
@@ -8,8 +8,6 @@
struct vdso_image {
void *data;
unsigned long size; /* Always a multiple of PAGE_SIZE */
-
- long sym_vvar_start; /* Negative offset to the vvar area */
};

#ifdef CONFIG_SPARC64
diff --git a/arch/sparc/vdso/vdso2c.c b/arch/sparc/vdso/vdso2c.c
index b97af5ec9f35..70b14a436fe2 100644
--- a/arch/sparc/vdso/vdso2c.c
+++ b/arch/sparc/vdso/vdso2c.c
@@ -58,18 +58,12 @@

const char *outfilename;

-/* Symbols that we need in vdso2c. */
-enum {
- sym_vvar_start,
-};
-
struct vdso_sym {
const char *name;
int export;
};

struct vdso_sym required_syms[] = {
- [sym_vvar_start] = {"vvar_start", 1},
};

__attribute__((format(printf, 1, 2))) __attribute__((noreturn))
diff --git a/arch/sparc/vdso/vdso2c.h b/arch/sparc/vdso/vdso2c.h
index 60d69acc748f..ba0794659eb5 100644
--- a/arch/sparc/vdso/vdso2c.h
+++ b/arch/sparc/vdso/vdso2c.h
@@ -104,10 +104,6 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len,
}
}

- /* Validate mapping addresses. */
- if (syms[sym_vvar_start] % 8192)
- fail("vvar_begin must be a multiple of 8192\n");
-
if (!name) {
fwrite(stripped_addr, stripped_len, 1, outfile);
return;

--
2.53.0