18d59ecb2SHans Petter Selasky /*- 28d59ecb2SHans Petter Selasky * Copyright (c) 2010 Isilon Systems, Inc. 38d59ecb2SHans Petter Selasky * Copyright (c) 2010 iX Systems, Inc. 48d59ecb2SHans Petter Selasky * Copyright (c) 2010 Panasas, Inc. 58d59ecb2SHans Petter Selasky * Copyright (c) 2013 Mellanox Technologies, Ltd. 68d59ecb2SHans Petter Selasky * All rights reserved. 78d59ecb2SHans Petter Selasky * 88d59ecb2SHans Petter Selasky * Redistribution and use in source and binary forms, with or without 98d59ecb2SHans Petter Selasky * modification, are permitted provided that the following conditions 108d59ecb2SHans Petter Selasky * are met: 118d59ecb2SHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 128d59ecb2SHans Petter Selasky * notice unmodified, this list of conditions, and the following 138d59ecb2SHans Petter Selasky * disclaimer. 148d59ecb2SHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 158d59ecb2SHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 168d59ecb2SHans Petter Selasky * documentation and/or other materials provided with the distribution. 178d59ecb2SHans Petter Selasky * 188d59ecb2SHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 198d59ecb2SHans Petter Selasky * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 208d59ecb2SHans Petter Selasky * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 218d59ecb2SHans Petter Selasky * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 228d59ecb2SHans Petter Selasky * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 238d59ecb2SHans Petter Selasky * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 248d59ecb2SHans Petter Selasky * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 258d59ecb2SHans Petter Selasky * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 268d59ecb2SHans Petter Selasky * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 278d59ecb2SHans Petter Selasky * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 288d59ecb2SHans Petter Selasky */ 29307f78f3SVladimir Kondratyev #ifndef _LINUXKPI_LINUX_HARDIRQ_H_ 30307f78f3SVladimir Kondratyev #define _LINUXKPI_LINUX_HARDIRQ_H_ 318d59ecb2SHans Petter Selasky 328d59ecb2SHans Petter Selasky #include <linux/types.h> 33f12af2b3SEmmanuel Vadot #include <linux/lockdep.h> 348d59ecb2SHans Petter Selasky 358d59ecb2SHans Petter Selasky #include <sys/param.h> 368d59ecb2SHans Petter Selasky #include <sys/bus.h> 378d59ecb2SHans Petter Selasky #include <sys/interrupt.h> 388d59ecb2SHans Petter Selasky 398d59ecb2SHans Petter Selasky #define synchronize_irq(irq) _intr_drain((irq)) 408d59ecb2SHans Petter Selasky 41*a609ed79SJean-Sébastien Pédron /* 42*a609ed79SJean-Sébastien Pédron * FIXME: In the i915 driver's `intel_engine_cs.c` file, 43*a609ed79SJean-Sébastien Pédron * `synchronize_hardirq()` was replaced by `synchronize_rcu()` with the 44*a609ed79SJean-Sébastien Pédron * following comment: 45*a609ed79SJean-Sébastien Pédron * "Is it enough to wait that all cpu have context-switched?" 46*a609ed79SJean-Sébastien Pédron * 47*a609ed79SJean-Sébastien Pédron * See commit f6d50b7af554e21c380486d6f41c8537b265c777 in drm-kmod. 48*a609ed79SJean-Sébastien Pédron */ 49*a609ed79SJean-Sébastien Pédron #define synchronize_hardirq(irq) _intr_drain((irq)) 50*a609ed79SJean-Sébastien Pédron 51307f78f3SVladimir Kondratyev #endif /* _LINUXKPI_LINUX_HARDIRQ_H_ */ 52