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[31.46.243.254]) by smtp.gmail.com with ESMTPSA id h11-20020a5d504b000000b0033739c1da1dsm7442350wrt.67.2024.01.08.02.44.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Jan 2024 02:44:02 -0800 (PST) Sender: Ingo Molnar Date: Mon, 8 Jan 2024 11:44:00 +0100 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , Anna-Maria Behnsen , Peter Zijlstra Subject: [GIT PULL] Timer subsystem changes for v6.8 Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Linus, Please pull the latest timers/core git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-core-2024-01-08 # HEAD: da65f29dada7f7cbbf0d6375b88a0316f5f7d6f5 timers: Fix nextevt calculation when no timers are pending Timer subsystem changes for v6.8: - Various preparatory cleanups & enhancements of the timer-wheel code, in preparation for the WIP 'pull timers at expiry' timer migration model series (which will replace the current 'push timers at enqueue' migration model), by Anna-Maria Behnsen: - Update comments and clean up confusing variable names - Add debug check to warn about time travel - Improve/expand timer-wheel tracepoints - Optimize away unnecessary IPIs for deferrable timers - Restructure & clean up next_expiry_recalc() - Clean up forward_timer_base() - Introduce __forward_timer_base() and use it to simplify and micro-optimize get_next_timer_interrupt() - Restructure the get_next_timer_interrupt()'s idle logic for better readability and to enable a minor optimization. - Fix the nextevt calculation when no timers are pending - Fix the sysfs_get_uname() prototype declaration Thanks, Ingo ------------------> Anna-Maria Behnsen (11): tick-sched: Fix function names in comments tick/sched: Cleanup confusing variables tick-sched: Warn when next tick seems to be in the past tracing/timers: Enhance timer_start tracepoint tracing/timers: Add tracepoint for tracking timer base is_idle flag timers: Do not IPI for deferrable timers timers: Move store of next event into __next_timer_interrupt() timers: Clarify check in forward_timer_base() timers: Split out forward timer base functionality timers: Use already existing function for forwarding timer base timers: Fix nextevt calculation when no timers are pending Arnd Bergmann (1): time: Make sysfs_get_uname() function visible in header Thomas Gleixner (1): timers: Rework idle logic include/trace/events/timer.h | 40 +++++++++++---- kernel/time/tick-internal.h | 3 +- kernel/time/tick-sched.c | 25 ++++++---- kernel/time/timer.c | 116 ++++++++++++++++++++++++------------------- 4 files changed, 112 insertions(+), 72 deletions(-)