linux-kernel - [PATCH v2 00/13] local

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Date:   Fri, 19 May 2023 12:20:58 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     bigeasy@...utronix.de
Cc:     mark.rutland@....com, maz@...nel.org, catalin.marinas@....com,
        will@...nel.org, chenhuacai@...nel.org, kernel@...0n.name,
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        kvm@...r.kernel.org, linux-hyperv@...r.kernel.org,
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Subject: [PATCH v2 00/13] local_clock() vs noinstr

Hi All,

latest version of the local_clock_noinstr() patches.

Most of the changes are in Hyper-V and x86/vdso/gettimeofday; Michael has been
very helpful navigating the Hyper-V spec and fixing their sched_clock
implementation.

---
 arch/arm64/include/asm/arch_timer.h      |  8 +----
 arch/arm64/include/asm/io.h              | 12 +++----
 arch/loongarch/include/asm/loongarch.h   |  2 +-
 arch/loongarch/kernel/time.c             |  6 ++--
 arch/s390/include/asm/timex.h            | 13 ++++---
 arch/s390/kernel/time.c                  |  5 +++
 arch/x86/include/asm/mshyperv.h          |  5 +++
 arch/x86/include/asm/vdso/gettimeofday.h | 41 ++++++++++++++++------
 arch/x86/kernel/kvmclock.c               |  4 +--
 arch/x86/kernel/tsc.c                    | 38 +++++++++++++++-----
 arch/x86/kvm/x86.c                       |  7 ++--
 arch/x86/xen/time.c                      |  3 +-
 drivers/clocksource/arm_arch_timer.c     | 60 ++++++++++++++++++++++++--------
 drivers/clocksource/hyperv_timer.c       | 44 ++++++++++++++---------
 drivers/cpuidle/cpuidle.c                |  8 ++---
 drivers/cpuidle/poll_state.c             |  4 +--
 include/clocksource/hyperv_timer.h       | 24 +++++--------
 include/linux/math64.h                   |  2 +-
 include/linux/rbtree_latch.h             |  2 +-
 include/linux/sched/clock.h              | 17 ++++++++-
 include/linux/seqlock.h                  | 15 ++++----
 kernel/printk/printk.c                   |  2 +-
 kernel/sched/clock.c                     | 19 ++++++----
 kernel/time/sched_clock.c                | 24 +++++++++----
 kernel/time/timekeeping.c                |  4 +--
 25 files changed, 242 insertions(+), 127 deletions(-)