linux-kernel - [PATCH 0/4] Simplify event handling logic in input core

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Date: Sun, 30 Jun 2024 23:05:48 -0700
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
To: linux-input@...r.kernel.org
Cc: Benjamin Tissoires <bentiss@...nel.org>,
	Jeff LaBundy <jeff@...undy.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/4] Simplify event handling logic in input core

This series tries to untangle somewhat convoluted logic in the input
event processing in the input core by realizing that input handler can
be either a filter, or a handler that handles a single event at a time,
or a handler that can handle a sequence of events, but should not mix
the 3 behaviors in one handler. This allows us to reduce both filter
functionality and single-event handling functionality to batch handling
and have the main event handling path to only deal with
input_handle->events() batch method.

Dmitry Torokhov (4):
  Input: make sure input handlers define only one processing method
  Input: make events() method return number of events processed
  Input: simplify event handling logic
  Input: preallocate memory to hold event values

 drivers/input/evdev.c |   6 +-
 drivers/input/input.c | 210 +++++++++++++++++++++++++++---------------
 include/linux/input.h |   7 +-
 3 files changed, 146 insertions(+), 77 deletions(-)

-- 
2.45.2.803.g4e1b14247a-goog