Date: Thu, 15 Sep 2005 17:09:42 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/alpha/alpha busdma_machdep.c Message-ID: <200509151709.j8FH9hkm099887@repoman.freebsd.org>
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jhb 2005-09-15 17:09:42 UTC
FreeBSD src repository
Modified files:
sys/alpha/alpha busdma_machdep.c
Log:
Add a memory barrier for PREWRITE operations to ensure all writes by the
CPU have drained before further writes to kick off the operation.
MFC after: 1 week
Revision Changes Path
1.52 +4 -0 src/sys/alpha/alpha/busdma_machdep.c
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