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vdso: Remove remnants of architecture-specific time storage

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All users of the time releated parts of the vDSO are now using the generic
storage implementation. Remove the therefore unnecessary compatibility
accessor functions and symbols.

Co-developed-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250204-vdso-store-rng-v3-18-13a4669dfc8c@linutronix.de
This commit is contained in:
Thomas Weißschuh
2025-02-04 13:05:50 +01:00
committed by Thomas Gleixner
parent 998a8a2608
commit ac1a42f4e4
8 changed files with 53 additions and 89 deletions
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10
lib/vdso/datastore.c
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@@ -12,7 +12,10 @@
* The vDSO data page.
*/
#ifdef CONFIG_HAVE_GENERIC_VDSO
static union vdso_data_store vdso_time_data_store __page_aligned_data;
static union {
struct vdso_time_data data[CS_BASES];
u8 page[PAGE_SIZE];
} vdso_time_data_store __page_aligned_data;
struct vdso_time_data *vdso_k_time_data = vdso_time_data_store.data;
static_assert(sizeof(vdso_time_data_store) == PAGE_SIZE);
#endif /* CONFIG_HAVE_GENERIC_VDSO */
@@ -123,9 +126,4 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns)
return 0;
}
struct vdso_time_data *arch_get_vdso_data(void *vvar_page)
{
return (struct vdso_time_data *)vvar_page;
}
#endif