smp.h

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    1 /*-
    2  * Copyright (c) 2017 Mark Johnston <markj@FreeBSD.org>
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions are
    6  * met:
    7  * 1. Redistributions of source code must retain the above copyright
    8  *    notice, this list of conditions and the following disclaimer.
    9  * 2. Redistributions in binary form must reproduce the above copyright
   10  *    notice, this list of conditions and the following disclaimer in
   11  *    the documentation and/or other materials provided with the
   12  *    distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD$
   27  */
   28 
   29 #ifndef _LINUXKPI_ASM_SMP_H_
   30 #define _LINUXKPI_ASM_SMP_H_
   31 
   32 #if defined(__i386__) || defined(__amd64__)
   33 
   34 #define wbinvd_on_all_cpus()    linux_wbinvd_on_all_cpus()
   35 
   36 int     linux_wbinvd_on_all_cpus(void);
   37 
   38 #endif
   39 
   40 #define get_cpu() ({                    \
   41         critical_enter();               \
   42         PCPU_GET(cpuid);                \
   43 })
   44 
   45 #define put_cpu()                       \
   46         critical_exit()
   47 
   48 #endif /* _LINUXKPI_ASM_SMP_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/compat/linuxkpi/common/include/asm/smp.h

FreeBSD/Linux Kernel Cross Reference
sys/compat/linuxkpi/common/include/asm/smp.h