Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Subject: Re: Technical question : DMA use From: Robert Collins To: Sylvain Petreolle Cc: cygwin@cygwin.com In-Reply-To: <20020804001611.41685.qmail@web10102.mail.yahoo.com> References: <20020804001611.41685.qmail@web10102.mail.yahoo.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-RkdGTqpzZNSJ/haZp0z8" Date: 04 Aug 2002 10:35:11 +1000 Message-Id: <1028421312.8966.146.camel@lifelesswks> Mime-Version: 1.0 --=-RkdGTqpzZNSJ/haZp0z8 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sun, 2002-08-04 at 10:16, Sylvain Petreolle wrote: > Hi list, >=20 > I'm building a dvd player. > Dvd is played fine except that it is _extremely_ slow. >=20 > I had the same issue running it under Linux. The fix was to enable the > DMA support via hdparm in the IDE harddisk configuration. >=20 > My question will be : > Does Cygwin allow the use of the DMA channel to read files/devices ? Cygwin uses the underlying IO calls of windows. If you enable DMA for the windows device, cygwin should use DMA. Rob --=-RkdGTqpzZNSJ/haZp0z8 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iEYEABECAAYFAj1Mdr8ACgkQI5+kQ8LJcoIOgQCgzLAIGCKgKXleNJIzoDfZ5lwp 8/AAmgNi92wYvKEw46eG8HG6dnSN54KH =deuA -----END PGP SIGNATURE----- --=-RkdGTqpzZNSJ/haZp0z8--