From: Thomas Weißschuh Date: Thu, 21 May 2026 06:53:16 +0000 (+0200) Subject: vdso/datastore: Always provide symbol declarations X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=551f209164c4d2cb8d5542351f145e8257c44702;p=thirdparty%2Flinux.git vdso/datastore: Always provide symbol declarations Allow callers to easily reference these symbols in code that is built even when the generic datastore is disabled. As there are no good default no-op variants of these symbols, do not provide stubs but require users to have their own fallback handling using IS_ENABLED(CONFIG_HAVE_GENERIC_VDSO). Signed-off-by: Thomas Weißschuh Signed-off-by: Thomas Gleixner Link: https://patch.msgid.link/20260521-vdso-mips-kconfig-v1-2-2f79dcd6c78f@linutronix.de --- diff --git a/include/linux/vdso_datastore.h b/include/linux/vdso_datastore.h index 0b530428db711..3dfba9502d78f 100644 --- a/include/linux/vdso_datastore.h +++ b/include/linux/vdso_datastore.h @@ -2,12 +2,12 @@ #ifndef _LINUX_VDSO_DATASTORE_H #define _LINUX_VDSO_DATASTORE_H -#ifdef CONFIG_HAVE_GENERIC_VDSO #include extern const struct vm_special_mapping vdso_vvar_mapping; struct vm_area_struct *vdso_install_vvar_mapping(struct mm_struct *mm, unsigned long addr); +#ifdef CONFIG_HAVE_GENERIC_VDSO void __init vdso_setup_data_pages(void); #else /* !CONFIG_HAVE_GENERIC_VDSO */ static inline void vdso_setup_data_pages(void) { }