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riscv: vdso: Always declare vdso_start symbols

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Make the declarations of vdso_start and its related symbols always
visible. With that their users don't have to use ifdeffery but can
use the better IS_ENABLED() compile-time checks.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Link: https://patch.msgid.link/20260504-riscv-cfi-vdso-alternative-v1-1-bcdf3d37f62e@linutronix.de
Signed-off-by: Paul Walmsley <pjw@kernel.org>
This commit is contained in:
Thomas Weißschuh 2026-05-04 08:30:50 +02:00 committed by Paul Walmsley
parent e0fd2599f5
commit 499578e22a
1 changed files with 5 additions and 5 deletions
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10
arch/riscv/include/asm/vdso.h
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@ -12,12 +12,15 @@
* All systems with an MMU have a VDSO, but systems without an MMU don't
* support shared libraries and therefore don't have one.
*/
#ifdef CONFIG_MMU
#define __VDSO_PAGES 4
#ifndef __ASSEMBLER__
#ifdef CONFIG_MMU
#include <generated/vdso-offsets.h>
#endif
#ifdef CONFIG_RISCV_USER_CFI
#include <generated/vdso-cfi-offsets.h>
#endif
@ -38,15 +41,12 @@
#define COMPAT_VDSO_SYMBOL(base, name) \
(void __user *)((unsigned long)(base) + compat__vdso_##name##_offset)
extern char compat_vdso_start[], compat_vdso_end[];
#endif /* CONFIG_COMPAT */
extern char vdso_start[], vdso_end[];
extern char vdso_cfi_start[], vdso_cfi_end[];
extern char compat_vdso_start[], compat_vdso_end[];
#endif /* !__ASSEMBLER__ */
#endif /* CONFIG_MMU */
#endif /* _ASM_RISCV_VDSO_H */