From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:42106) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SiMdQ-0000ov-ON for qemu-devel@nongnu.org; Sat, 23 Jun 2012 05:28:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SiMdP-00022N-6O for qemu-devel@nongnu.org; Sat, 23 Jun 2012 05:28:04 -0400 Received: from mout.web.de ([212.227.17.11]:63733) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SiMdO-00022H-Sq for qemu-devel@nongnu.org; Sat, 23 Jun 2012 05:28:03 -0400 Message-ID: <4FE58C20.4020803@web.de> Date: Sat, 23 Jun 2012 11:28:00 +0200 From: Jan Kiszka MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig408C8CBAB532B4FD8B502267" Subject: [Qemu-devel] MMIO coalescing of the i82378 bridge List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?ISO-8859-1?Q?Andreas_F=E4rber?= , =?ISO-8859-1?Q?Herv=E9_Poussineau?= Cc: qemu-devel This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig408C8CBAB532B4FD8B502267 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi all, just stumbled over the memory_region_set_coalescing in pci_i82378_init: What ISA devices are affected by this? It looks a bit strange to me as the MMIO requests are apparently mapped on PIO requests, and we don't have PIO coalescing on x86. Depending on the target device on PREP, this may have some unexpected side effects. Or is only framebuffer memory addressed this way? Jan --------------enig408C8CBAB532B4FD8B502267 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk/ljCAACgkQitSsb3rl5xTh3QCgzQffAdnL3yoexL/Frp/lMXRR VCYAoI+UFWZeGuo86modH4EIuvkxw4yQ =+TsX -----END PGP SIGNATURE----- --------------enig408C8CBAB532B4FD8B502267--