amd64/133592: [busdma] [patch] busdma incorrectly calculates bounce buffer requirements for userspace buffers

[John Baldwin]

On Sunday 12 April 2009 3:30:44 pm Kostik Belousov wrote:
> On Sun, Apr 12, 2009 at 03:20:06PM +0000, Scott Long wrote:
> > The following reply was made to PR amd64/133592; it has been noted by 
GNATS.
> > 
> > From: Scott Long <scottl at samsco.org>
> > To: bug-followup at FreeBSD.org, jason.harmening at gmail.com
> > Cc:  
> > Subject: Re: amd64/133592: [busdma] [patch] busdma incorrectly calculates
> >  bounce buffer requirements for userspace buffers
> > Date: Sun, 12 Apr 2009 08:53:47 -0600
> > 
> >  You're right, it's definitely a problem.  The patch looks correct, feel
> >  free to commit to i386, amd64, and ia64.  Arm needs a similar fix, but
> >  the code looks to be somewhat different.
> 
> Below is updated patch. It was compile-tested on all affected arches.
> Scott, any notes ?

I've had a similar patch in a branch for years, it should definitely go in.

-- 
John Baldwin