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From: hiren_mehta@agilent.com
To: linux-kernel@vger.kernel.org
Subject: can somebody explain barrier() macro ?
Date: Tue, 20 Feb 2001 12:50:54 -0700
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Hi,

barrier() is defined in kernel.h as follows :

#define barrier() __asm__ __volatile__("": : :"memory")


what does this mean ? is this like "nop" ?

TIA,
-hiren
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