9b83d851a2
Pull Xtensa patches from Chris Zankel: "The major changes are adding support for SMP for Xtensa, fixing and cleaning up the ISS (simulator) network driver, and better support for device trees" * tag 'xtensa-next-20140123' of git://github.com/czankel/xtensa-linux: (40 commits) xtensa: implement ndelay xtensa: clean up udelay xtensa: enable HAVE_PERF_EVENTS xtensa: remap io area defined in device tree xtensa: support default device tree buses xtensa: initialize device tree clock sources xtensa: xtfpga: fix definitions of platform devices xtensa: standardize devicetree cpu compatible strings xtensa: avoid duplicate of IO range definitions xtensa: fix ATOMCTL register documentation xtensa: Enable irqs after cpu is set online xtensa: ISS: raise network polling rate to 10 times/sec xtensa: remove unused XTENSA_ISS_NETWORK Kconfig parameter xtensa: ISS: avoid simple_strtoul usage xtensa: Switch to sched_clock_register() xtensa: implement CPU hotplug xtensa: add SMP support xtensa: add MX irqchip xtensa: clear timer IRQ unconditionally in its handler xtensa: clean up do_interrupt/do_IRQ ...
19 lines
452 B
C
19 lines
452 B
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2001 - 2012 Tensilica Inc.
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*/
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#ifndef _XTENSA_SYSTEM_H
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#define _XTENSA_SYSTEM_H
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#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
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#define rmb() barrier()
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#define wmb() mb()
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#include <asm-generic/barrier.h>
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#endif /* _XTENSA_SYSTEM_H */
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