]> www.infradead.org Git - users/jedix/linux-maple.git/commit
posix-timers: Add proper state tracking
authorThomas Gleixner <tglx@linutronix.de>
Tue, 1 Oct 2024 08:42:09 +0000 (10:42 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Tue, 29 Oct 2024 10:43:19 +0000 (11:43 +0100)
commit1550dde8a537b35dbf066c7f9cfe5f9b360bce0d
treeb4c2b18f660d1024e1afa06d5229257732815930
parentcd1e93aedab7f749760a33e9e094381973b1120e
posix-timers: Add proper state tracking

Right now the state tracking is done by two struct members:

 - it_active:
     A boolean which tracks armed/disarmed state

 - it_signal_seq:
     A sequence counter which is used to invalidate settings
     and prevent rearming

Replace it_active with it_status and keep properly track about the states
in one place.

This allows to reuse it_signal_seq to track reprogramming, disarm and
delete operations in order to drop signals which are related to the state
previous of those operations.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/all/20241001083835.670337048@linutronix.de
include/linux/posix-timers.h
kernel/time/alarmtimer.c
kernel/time/posix-cpu-timers.c
kernel/time/posix-timers.c
kernel/time/posix-timers.h