Date: Mon, 13 Apr 2009 11:56:35 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-amd64@freebsd.org Cc: Scott Long <scottl@samsco.org> Subject: Re: amd64/133592: [busdma] [patch] busdma incorrectly calculates bounce buffer requirements for userspace buffers Message-ID: <200904131156.36255.jhb@freebsd.org> In-Reply-To: <20090412193044.GN3014@deviant.kiev.zoral.com.ua> References: <200904121520.n3CFK6G8032035@freefall.freebsd.org> <20090412193044.GN3014@deviant.kiev.zoral.com.ua>
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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@samsco.org> > > To: bug-followup@FreeBSD.org, jason.harmening@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
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