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[00/19] vdso: Rework struct vdso_time_data and introduce struct vdso_clock

Message ID 20250303-vdso-clock-v1-0-c1b5c69a166f@linutronix.de (mailing list archive)
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Series vdso: Rework struct vdso_time_data and introduce struct vdso_clock | expand

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Thomas Weißschuh March 3, 2025, 11:11 a.m. UTC 
To support multiple PTP clocks, the VDSO data structure needs to be
reworked. All clock specific data will end up in struct vdso_clock and in
struct vdso_time_data there will be an array of it.

This series is based on and intended to be merged through tip/timers/vdso.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
---
Anna-Maria Behnsen (15):
      vdso: Make vdso_time_data cacheline aligned
      vdso/datapage: Define for vdso_data to make rework of vdso possible
      vdso/helpers: Prepare introduction of struct vdso_clock
      vdso/gettimeofday: Prepare introduction of struct vdso_clock
      vdso/gettimeofday: Prepare do_hres() for introduction of struct vdso_clock
      vdso/gettimeofday: Prepare do_hres_timens() for introduction of struct vdso_clock
      vdso/gettimeofday: Prepare do_coarse() for introduction of struct vdso_clock
      vdso/gettimeofday: Prepare do_coarse_timens() for introduction of struct vdso_clock
      vdso/gettimeofday: Prepare helper functions for introduction of struct vdso_clock
      vdso/vsyscall: Prepare introduction of struct vdso_clock
      vdso/namespace: Rename timens_setup_vdso_data() to reflect new vdso_clock struct
      time/namespace: Prepare introduction of struct vdso_clock
      x86/vdso: Prepare introduction of struct vdso_clock
      vdso: Move arch related data before basetime
      vdso: Rework struct vdso_time_data and introduce struct vdso_clock

Nam Cao (2):
      arm64/vdso: Prepare introduction of struct vdso_clock
      powerpc/vdso: Prepare introduction of struct vdso_clock

Thomas Weißschuh (2):
      vdso: Introduce vdso/cache.h
      arm64: Make asm/cache.h compatible with vDSO

 arch/arm64/include/asm/cache.h                    |   4 +-
 arch/arm64/include/asm/vdso/compat_gettimeofday.h |   6 +-
 arch/arm64/include/asm/vdso/vsyscall.h            |   4 +-
 arch/powerpc/include/asm/vdso/gettimeofday.h      |   2 +-
 arch/s390/kernel/time.c                           |  11 +-
 arch/x86/include/asm/vdso/gettimeofday.h          |  16 +--
 include/asm-generic/vdso/vsyscall.h               |   2 +-
 include/linux/cache.h                             |   9 +-
 include/vdso/cache.h                              |  15 +++
 include/vdso/datapage.h                           |  48 ++++---
 include/vdso/helpers.h                            |  20 +--
 kernel/time/namespace.c                           |  20 +--
 kernel/time/vsyscall.c                            |  47 +++----
 lib/vdso/datastore.c                              |   6 +-
 lib/vdso/gettimeofday.c                           | 146 ++++++++++++----------
 15 files changed, 196 insertions(+), 160 deletions(-)
---
base-commit: ac1a42f4e4e296b5ba5fdb39444f65d6e5196240
change-id: 20250224-vdso-clock-f10f017c4b80

Best regards,