vdso: Remove remnants of architecture-specific time storage

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

2 files changed, 15 insertions, 16 deletions

diff --git a/kernel/time/namespace.c b/kernel/time/namespace.c
index 0775b9ec952a..12f55aa539ad 100644
--- a/kernel/time/namespace.c
+++ b/kernel/time/namespace.c
@@ -165,18 +165,18 @@ static struct timens_offset offset_from_ts(struct timespec64 off)
  *     HVCLOCK
  *     VVAR
  *
- * The check for vdso_data->clock_mode is in the unlikely path of
+ * The check for vdso_time_data->clock_mode is in the unlikely path of
  * the seq begin magic. So for the non-timens case most of the time
  * 'seq' is even, so the branch is not taken.
  *
  * If 'seq' is odd, i.e. a concurrent update is in progress, the extra check
- * for vdso_data->clock_mode is a non-issue. The task is spin waiting for the
+ * for vdso_time_data->clock_mode is a non-issue. The task is spin waiting for the
  * update to finish and for 'seq' to become even anyway.
  *
- * Timens page has vdso_data->clock_mode set to VDSO_CLOCKMODE_TIMENS which
+ * Timens page has vdso_time_data->clock_mode set to VDSO_CLOCKMODE_TIMENS which
  * enforces the time namespace handling path.
  */
-static void timens_setup_vdso_data(struct vdso_data *vdata,
+static void timens_setup_vdso_data(struct vdso_time_data *vdata,
 				   struct time_namespace *ns)
 {
 	struct timens_offset *offset = vdata->offset;
@@ -219,7 +219,7 @@ static DEFINE_MUTEX(offset_lock);
 static void timens_set_vvar_page(struct task_struct *task,
 				struct time_namespace *ns)
 {
-	struct vdso_data *vdata;
+	struct vdso_time_data *vdata;
 	unsigned int i;
 
 	if (ns == &init_time_ns)
@@ -235,7 +235,7 @@ static void timens_set_vvar_page(struct task_struct *task,
 		goto out;
 
 	ns->frozen_offsets = true;
-	vdata = arch_get_vdso_data(page_address(ns->vvar_page));
+	vdata = page_address(ns->vvar_page);
 
 	for (i = 0; i < CS_BASES; i++)
 		timens_setup_vdso_data(&vdata[i], ns);
diff --git a/kernel/time/vsyscall.c b/kernel/time/vsyscall.c
index 09c1e39a6dd8..418192296ef7 100644
--- a/kernel/time/vsyscall.c
+++ b/kernel/time/vsyscall.c
@@ -15,8 +15,7 @@
 
 #include "timekeeping_internal.h"
 
-static inline void update_vdso_data(struct vdso_data *vdata,
-				    struct timekeeper *tk)
+static inline void update_vdso_time_data(struct vdso_time_data *vdata, struct timekeeper *tk)
 {
 	struct vdso_timestamp *vdso_ts;
 	u64 nsec, sec;
@@ -77,7 +76,7 @@ static inline void update_vdso_data(struct vdso_data *vdata,
 
 void update_vsyscall(struct timekeeper *tk)
 {
-	struct vdso_data *vdata = vdso_k_time_data;
+	struct vdso_time_data *vdata = vdso_k_time_data;
 	struct vdso_timestamp *vdso_ts;
 	s32 clock_mode;
 	u64 nsec;
@@ -117,23 +116,23 @@ void update_vsyscall(struct timekeeper *tk)
 	 * update of the high resolution parts.
 	 */
 	if (clock_mode != VDSO_CLOCKMODE_NONE)
-		update_vdso_data(vdata, tk);
+		update_vdso_time_data(vdata, tk);
 
 	__arch_update_vsyscall(vdata);
 
 	vdso_write_end(vdata);
 
-	__arch_sync_vdso_data(vdata);
+	__arch_sync_vdso_time_data(vdata);
 }
 
 void update_vsyscall_tz(void)
 {
-	struct vdso_data *vdata = vdso_k_time_data;
+	struct vdso_time_data *vdata = vdso_k_time_data;
 
 	vdata[CS_HRES_COARSE].tz_minuteswest = sys_tz.tz_minuteswest;
 	vdata[CS_HRES_COARSE].tz_dsttime = sys_tz.tz_dsttime;
 
-	__arch_sync_vdso_data(vdata);
+	__arch_sync_vdso_time_data(vdata);
 }
 
 /**
@@ -150,7 +149,7 @@ void update_vsyscall_tz(void)
  */
 unsigned long vdso_update_begin(void)
 {
-	struct vdso_data *vdata = vdso_k_time_data;
+	struct vdso_time_data *vdata = vdso_k_time_data;
 	unsigned long flags = timekeeper_lock_irqsave();
 
 	vdso_write_begin(vdata);
@@ -167,9 +166,9 @@ unsigned long vdso_update_begin(void)
  */
 void vdso_update_end(unsigned long flags)
 {
-	struct vdso_data *vdata = vdso_k_time_data;
+	struct vdso_time_data *vdata = vdso_k_time_data;
 
 	vdso_write_end(vdata);
-	__arch_sync_vdso_data(vdata);
+	__arch_sync_vdso_time_data(vdata);
 	timekeeper_unlock_irqrestore(flags);
 }