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softirq/s390: Move default mutators of overwritten softirq mask to s390

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s390 is now the last architecture that entirely overwrites
local_softirq_pending() and uses the according default definitions of
set_softirq_pending() and or_softirq_pending().

Just move these to s390 to debloat the generic code complexity.

Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: http://lkml.kernel.org/r/1525786706-22846-12-git-send-email-frederic@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Frederic Weisbecker 2018-05-08 15:38:26 +02:00 committed by Ingo Molnar
parent 1a8bc8f8d6
commit 48bda43eab
2 changed files with 2 additions and 7 deletions
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2
arch/s390/include/asm/hardirq.h
View File

@ -14,6 +14,8 @@
#include <asm/lowcore.h>
#define local_softirq_pending() (S390_lowcore.softirq_pending)
#define set_softirq_pending(x) (S390_lowcore.softirq_pending = (x))
#define or_softirq_pending(x) (S390_lowcore.softirq_pending |= (x))
#define __ARCH_IRQ_STAT
#define __ARCH_HAS_DO_SOFTIRQ

7
include/linux/interrupt.h
View File

@ -442,13 +442,6 @@ extern bool force_irqthreads;
#define set_softirq_pending(x) (__this_cpu_write(local_softirq_pending_ref, (x)))
#define or_softirq_pending(x) (__this_cpu_or(local_softirq_pending_ref, (x)))
#else /* local_softirq_pending */
#ifndef __ARCH_SET_SOFTIRQ_PENDING
#define set_softirq_pending(x) (local_softirq_pending() = (x))
#define or_softirq_pending(x) (local_softirq_pending() |= (x))
#endif
#endif /* local_softirq_pending */
/* Some architectures might implement lazy enabling/disabling of