Date: Sun, 14 Jan 2001 01:55:21 -0800 (PST) From: John Baldwin <jhb@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/i386/include atomic.h Message-ID: <200101140955.f0E9tL235509@freefall.freebsd.org>
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jhb 2001/01/14 01:55:21 PST
Modified files:
sys/i386/include atomic.h
Log:
Fix the atomic_load_acq() and atomic_store_rel() functions to properly
implement memory fences for the 486+. The 386 still uses versions w/o
memory fences as all operations on the 386 are not program ordered.
The 386 versions are not MP safe.
Revision Changes Path
1.17 +44 -6 src/sys/i386/include/atomic.h
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