Date: Sun, 18 Dec 2005 20:26:12 +0000 (UTC) From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/dev/bge if_bge.c if_bgereg.h Message-ID: <200512182026.jBIKQCiw011925@repoman.freebsd.org>
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glebius 2005-12-18 20:26:12 UTC
FreeBSD src repository
Modified files:
sys/dev/bge if_bge.c if_bgereg.h
Log:
Since BGE_MBX_TX_HOST_PROD0_LO register is write-only to software,
we can cache its value in the softc. Eliminates one PCI register
write per call to bge_start().
A 1.8% speedup for UDP_RR test on my old box.
Obtained from: NetBSD(jonathan) via delphij
Revision Changes Path
1.108 +10 -4 src/sys/dev/bge/if_bge.c
1.41 +1 -0 src/sys/dev/bge/if_bgereg.h
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