linux-kernel - [tip:irq/core] softirq/ia64: Convert local_softirq

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Message-ID: <tip-2e5c4632dcc0365a97c36817a368507e6a4c89b2@git.kernel.org>
Date:   Mon, 14 May 2018 05:47:20 -0700
From:   tip-bot for Frederic Weisbecker <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     bigeasy@...utronix.de, mingo@...nel.org, deller@....de,
        heiko.carstens@...ibm.com, jejb@...isc-linux.org, paulus@...ba.org,
        benh@...nel.crashing.org, frederic@...nel.org, dalias@...c.org,
        peterz@...radead.org, tglx@...utronix.de, schwidefsky@...ibm.com,
        hpa@...or.com, mpe@...erman.id.au, tony.luck@...el.com,
        fenghua.yu@...el.com, davem@...emloft.net,
        torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
        ysato@...rs.sourceforge.jp
Subject: [tip:irq/core] softirq/ia64: Convert local_softirq_pending() to
 per-cpu ops

Commit-ID:  2e5c4632dcc0365a97c36817a368507e6a4c89b2
Gitweb:     https://git.kernel.org/tip/2e5c4632dcc0365a97c36817a368507e6a4c89b2
Author:     Frederic Weisbecker <frederic@...nel.org>
AuthorDate: Tue, 8 May 2018 15:38:16 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 14 May 2018 11:25:26 +0200

softirq/ia64: Convert local_softirq_pending() to per-cpu ops

In order to consolidate and optimize generic softirq mask accesses, we
first need to convert architectures to use per-cpu operations when
possible.

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/1525786706-22846-2-git-send-email-frederic@kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/ia64/include/asm/hardirq.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/ia64/include/asm/hardirq.h b/arch/ia64/include/asm/hardirq.h
index bdc4669c71c3..22fae710e420 100644
--- a/arch/ia64/include/asm/hardirq.h
+++ b/arch/ia64/include/asm/hardirq.h
@@ -13,7 +13,7 @@
 
 #define __ARCH_IRQ_STAT	1
 
-#define local_softirq_pending()		(local_cpu_data->softirq_pending)
+#define local_softirq_pending()	(*this_cpu_ptr(&ia64_cpu_info.softirq_pending))
 
 #include <linux/threads.h>
 #include <linux/irq.h>