Re: kern/37884: nvidia ehci umass

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

The following reply was made to PR kern/37884; it has been noted by GNATS.

From: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%NetBSD.org@localhost, gnats-admin%NetBSD.org@localhost, 
netbsd-bugs%NetBSD.org@localhost,
        jakllsch%kollasch.net@localhost, tsutsui%ceres.dti.ne.jp@localhost
Subject: Re: kern/37884: nvidia ehci umass
Date: Mon, 28 Jan 2008 03:13:29 +0900

 >  But that might be causing it, the longer latency of a hard
 >  drive may allow inconsistent cache to get evicted naturally.
 
 BTW, no cache flush ops are requied for DMA on x86 and
 bus_dmamap_sync(9) also handles xfer between bounce buffers.
 ---
 Izumi Tsutsui