linux-kernel - [PATCH 00/10] softirq: Consolidate and optimize softirq mask

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Message-Id: <1522290425-22844-1-git-send-email-frederic@kernel.org>
Date:   Thu, 29 Mar 2018 04:26:55 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Frederic Weisbecker <frederic@...nel.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Tony Luck <tony.luck@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "David S . Miller" <davem@...emloft.net>,
        Michael Ellerman <mpe@...erman.id.au>,
        Helge Deller <deller@....de>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Fenghua Yu <fenghua.yu@...el.com>,
        "James E . J . Bottomley" <jejb@...isc-linux.org>
Subject: [PATCH 00/10] softirq: Consolidate and optimize softirq mask

The softirq mask and its accessors/mutators have many implementations
scattered around many architectures. Most do the same things consisting
in a field in a per-cpu struct (often irq_cpustat_t) accessed through
per-cpu ops. We can provide instead a generic efficient version that
most of them can use. In fact s390 is the only exception because the
field is stored in lowcore.

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
	softirq/mask

HEAD: fb3db1bfa6033202c4b8191e570f39d3777d6a9d

Thanks,
	Frederic
---

Frederic Weisbecker (10):
      ia64: Convert local_softirq_pending() to per-cpu ops
      sparc: Convert local_softirq_pending() to use per-cpu op
      softirq: Turn default irq_cpustat_t to standard per-cpu
      softirq: Consolidate default local_softirq_pending() implementations
      ia64: Switch to generic local_softirq_pending() implementation
      parisc: Switch to generic local_softirq_pending() implementation
      powerpc: Switch to generic local_softirq_pending() implementation
      sparc: Switch to generic local_softirq_pending() implementation
      x86: Switch to generic local_softirq_pending() implementation
      softirq: Remove __ARCH_SET_SOFTIRQ_PENDING


 arch/ia64/include/asm/hardirq.h     |  2 +-
 arch/parisc/include/asm/hardirq.h   |  8 --------
 arch/powerpc/include/asm/hardirq.h  |  7 -------
 arch/sparc/include/asm/hardirq_64.h |  5 +++--
 arch/x86/include/asm/hardirq.h      |  8 --------
 include/linux/interrupt.h           | 16 ++++++++++++++--
 include/linux/irq_cpustat.h         | 10 +++-------
 kernel/softirq.c                    |  4 ++--
 8 files changed, 23 insertions(+), 37 deletions(-)