linux-kernel - [PATCH v4 0/8] lockdep: Change IRQ state tracking to use per-cpu variables

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Message-ID: <20200623083645.277342609@infradead.org>
Date:   Tue, 23 Jun 2020 10:36:45 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     mingo@...nel.org, will@...nel.org, tglx@...utronix.de
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        a.darwish@...utronix.de, rostedt@...dmis.org,
        bigeasy@...utronix.de, peterz@...radead.org, davem@...emloft.net,
        sparclinux@...r.kernel.org, mpe@...erman.id.au,
        linuxppc-dev@...ts.ozlabs.org, heiko.carstens@...ibm.com,
        linux-s390@...r.kernel.org, linux@...linux.org.uk
Subject: [PATCH v4 0/8] lockdep: Change IRQ state tracking to use per-cpu variables

Ahmed and Sebastian wanted additional lockdep_assert*() macros and ran into
header hell. I figured using per-cpu variables would cure that, and also
ran into header hell, still tracktable though.

By moving the IRQ state into per-cpu variables we remove the dependency on
task_struct.

Patches go on top of anything recent I think, an actual git tree with them
in is (for now) here:

  git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/irqstate

Which 0day blessed with 0 build fails.