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a609ed7959
It currently does the same as `synchronize_irq()`. Reviewed by: manu Approved by: manu Differential Revision: https://reviews.freebsd.org/D38079
53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
/*-
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* Copyright (c) 2010 Isilon Systems, Inc.
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* Copyright (c) 2010 iX Systems, Inc.
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* Copyright (c) 2010 Panasas, Inc.
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* Copyright (c) 2013 Mellanox Technologies, Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LINUXKPI_LINUX_HARDIRQ_H_
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#define _LINUXKPI_LINUX_HARDIRQ_H_
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#include <linux/types.h>
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#include <linux/lockdep.h>
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/interrupt.h>
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#define synchronize_irq(irq) _intr_drain((irq))
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/*
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* FIXME: In the i915 driver's `intel_engine_cs.c` file,
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* `synchronize_hardirq()` was replaced by `synchronize_rcu()` with the
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* following comment:
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* "Is it enough to wait that all cpu have context-switched?"
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*
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* See commit f6d50b7af554e21c380486d6f41c8537b265c777 in drm-kmod.
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*/
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#define synchronize_hardirq(irq) _intr_drain((irq))
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#endif /* _LINUXKPI_LINUX_HARDIRQ_H_ */
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