Re: kern/38889

[yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)]

The following reply was made to PR kern/38889; it has been noted by GNATS.

From: yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)
To: uebayasi%tombi.co.jp@localhost
Cc: netbsd-bugs%NetBSD.org@localhost, gnats-bugs%NetBSD.org@localhost
Subject: Re: kern/38889
Date: Thu, 24 May 2012 03:00:02 +0000 (UTC)

 hi,
 
 > I wonder if we can completely disallow mmap'ing block devices?  I suspect
 > it has never worked nor needed by anyone - otherwise why such a serious
 > problem has been open for a long time!
 
 i don't know.  but it might be useful for applications which want to
 do mmap+send for zero copy.  eg. an iscsi target
 
 please keep gnats-bugs%NetBSD.org@localhost in Cc: so that it's filed in gnats.
 
 YAMAMOTO Takashi