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Message-Id: <20220817162703.728679-1-bigeasy@linutronix.de>
Date: Wed, 17 Aug 2022 18:26:54 +0200
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: linux-kernel@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
Peter Zijlstra <peterz@...radead.org>,
Steven Rostedt <rostedt@...dmis.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Matthew Wilcox <willy@...radead.org>
Subject: [PATCH 0/9] Replace PREEMPT_RT ifdefs with preempt_[dis|en]able_nested().
Folks,
this is the follow up to the "vfs.git pile 3 - dcache" pull request [0].
It was concluded that the introduction of
preempt_disable_nested()
in general makes sense and should be used in places where preemption on
!RT is disabled by other means and PREEMPT_RT need to explicitly disable
it.
This series introduces the macro and converts already existing users to
that macro. The u64_stat interface was simplified to make the change
simpler and code easier to follow.
[0] https://lore.kernel.org/all/YurA3aSb4GRr4wlW@ZenIV/
Sebastian
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