From: Robert Hancock Date: Tue, 20 Feb 2007 01:03:08 +0000 (-0600) Subject: sata_nv: Use notifier for completion checks X-Git-Tag: v2.6.21-rc2~25^2~28 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=721449bf0d51213fe3abf0ac3e3561ef9ea7827a;p=pandora-kernel.git sata_nv: Use notifier for completion checks The hardware provides us a notifier register that indicates what command tags have completed. Use this to determine which CPBs to check, rather than blindly checking all active CPBs. This should provide a minor performance win, since if the controller has touched some of these incomplete CPBs, accessing them will likely result in a cache miss. Signed-off-by: Robert Hancock Signed-off-by: Jeff Garzik --- Reading git-diff-tree failed