From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59359) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZfRjm-0002k1-Nk for qemu-devel@nongnu.org; Fri, 25 Sep 2015 08:04:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZfRjh-0002fO-PL for qemu-devel@nongnu.org; Fri, 25 Sep 2015 08:04:26 -0400 References: <1443069231-14856-1-git-send-email-david@gibson.dropbear.id.au> <1443069231-14856-6-git-send-email-david@gibson.dropbear.id.au> <56052DEC.6040500@redhat.com> <20150925113349.GL11620@voom.redhat.com> From: Paolo Bonzini Message-ID: <5605383E.1090406@redhat.com> Date: Fri, 25 Sep 2015 14:04:14 +0200 MIME-Version: 1.0 In-Reply-To: <20150925113349.GL11620@voom.redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 5/7] memory: Allow replay of IOMMU mapping notifications List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: David Gibson Cc: lvivier@redhat.com, thuth@redhat.com, qemu-devel@nongnu.org, abologna@redhat.com, alex.williamson@redhat.com, qemu-ppc@nongnu.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 25/09/2015 13:33, David Gibson wrote: > 1) Is there a case where using the no-replay functions makes > sense? > > I'm not sure. I think vfio is the only user so far, so I guess > that's technically a no. I was reluctant to change the interface > and semantics just off the bat, though. Considering memory_region_listener does the reply, I think it's okay. For solving the problem that Laurent mentioned, using int128 seems like the easiest solution... Paolo -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJWBTg7AAoJEL/70l94x66De7AIAIBdzM9tzuZzlMYKG0505+a+ E3K+CrWG0EwN1yzCWU/g4Au17BrSKQ7dVaxeemw48txHtlxxRaTU/WpV0ZGZLS2H upk3hdgbbgMR7IDgpPHx0MPXDD3nW3h2Xnom5jDr0UF/xpcnVRe+osvs5R3AS8GI bbbm/QZ3qkIUBUz7w97/d8wYCkZarsB8LoVYoy1nBLvr0QBsL+V0AGV1aw9DpgDk BtagDntAZQK1doYDVyThK6Ht4agVRF0FEUKR1fej27CriwJJnCOK5zVBP6S9gIZZ FycmNat1OT573ATlqkjXK6zHsWSvmoM0gdE4Fq3+k/qme3Waz9/v++EEBgqNHXU= =k/Kg -----END PGP SIGNATURE-----