Thread (50 messages) 50 messages, 6 authors, 2025-09-26
STALE255d
Revisions (3)
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[PATCH v3 32/36] sparc64: vdso2c: Drop sym_vvar_start handling

From: Thomas Weißschuh <hidden>
Date: 2025-09-17 14:02:20
Also in: linux-arm-kernel, linux-kselftest, linux-mips, linux-s390, lkml, loongarch, sparclinux
Subsystem: sparc + ultrasparc (sparc/sparc64), the rest · Maintainers: "David S. Miller", Andreas Larsson, Linus Torvalds

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 <redacted>
---
 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 59e79d35cd7384e2dd752e92d20bc599e38cb8b0..f08562d10215bd3e9a2d4eaa0aadc8400b40e256 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 b97af5ec9f35c01f2a976b6213b1768b677ad231..70b14a436fe2297ab446f778ab0d43155c272421 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 60d69acc748f2401156a730027fe34abfb9fb6bc..ba0794659eb5af53b8c86b24f3221a5d0b3f74ab 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;
-- 
2.51.0

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