linux-kernel - [tip:irq/core] softirq/sparc: Switch to generic local_softirq

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Date:   Mon, 14 May 2018 05:51:23 -0700
From:   tip-bot for Frederic Weisbecker <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tony.luck@...el.com, tglx@...utronix.de, dalias@...c.org,
        bigeasy@...utronix.de, mingo@...nel.org, deller@....de,
        hpa@...or.com, ysato@...rs.sourceforge.jp,
        heiko.carstens@...ibm.com, paulus@...ba.org,
        benh@...nel.crashing.org, fenghua.yu@...el.com,
        davem@...emloft.net, linux-kernel@...r.kernel.org,
        jejb@...isc-linux.org, schwidefsky@...ibm.com, frederic@...nel.org,
        torvalds@...ux-foundation.org, peterz@...radead.org,
        mpe@...erman.id.au
Subject: [tip:irq/core] softirq/sparc: Switch to generic
 local_softirq_pending() implementation

Commit-ID:  424f7d3e3b950c88a4127b7dfa78ea54e287413e
Gitweb:     https://git.kernel.org/tip/424f7d3e3b950c88a4127b7dfa78ea54e287413e
Author:     Frederic Weisbecker <frederic@...nel.org>
AuthorDate: Tue, 8 May 2018 15:38:24 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 14 May 2018 11:25:28 +0200

softirq/sparc: Switch to generic local_softirq_pending() implementation

Benefit from the generic softirq mask implementation that rely on per-CPU
mutators instead of working with raw operators on top of this_cpu_ptr().

Signed-off-by: Frederic Weisbecker <frederic@...nel.org>
Acked-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Peter Zijlstra <peterz@...radead.org>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: David S. Miller <davem@...emloft.net>
Cc: Fenghua Yu <fenghua.yu@...el.com>
Cc: Heiko Carstens <heiko.carstens@...ibm.com>
Cc: Helge Deller <deller@....de>
Cc: James E.J. Bottomley <jejb@...isc-linux.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Rich Felker <dalias@...c.org>
Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Link: http://lkml.kernel.org/r/1525786706-22846-10-git-send-email-frederic@kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/sparc/include/asm/hardirq_64.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/sparc/include/asm/hardirq_64.h b/arch/sparc/include/asm/hardirq_64.h
index 6aba904819a4..75b92bfe04b5 100644
--- a/arch/sparc/include/asm/hardirq_64.h
+++ b/arch/sparc/include/asm/hardirq_64.h
@@ -10,8 +10,9 @@
 #include <asm/cpudata.h>
 
 #define __ARCH_IRQ_STAT
-#define local_softirq_pending() \
-	(*this_cpu_ptr(&__cpu_data.__softirq_pending))
+
+#define local_softirq_pending_ref \
+	__cpu_data.__softirq_pending
 
 void ack_bad_irq(unsigned int irq);