From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael R. Hines" <mrhines@linux.vnet.ibm.com>
Cc: Orit Wasserman <owasserm@redhat.com>,
quintela@redhat.com, chegu vinod <chegu_vinod@hp.com>,
qemu-devel@nongnu.org, mst@redhat.com
Subject: Re: [Qemu-devel] [RFC 10/12] Add qemu_put_buffer_no_copy
Date: Mon, 25 Mar 2013 09:05:11 -0400 (EDT) [thread overview]
Message-ID: <1785134388.13096135.1364216711974.JavaMail.root@redhat.com> (raw)
In-Reply-To: <514DD805.50604@linux.vnet.ibm.com>
----- Messaggio originale -----
> Da: "Michael R. Hines" <mrhines@linux.vnet.ibm.com>
> A: "Orit Wasserman" <owasserm@redhat.com>
> Cc: qemu-devel@nongnu.org, pbonzini@redhat.com, mst@redhat.com, "chegu vinod" <chegu_vinod@hp.com>,
> quintela@redhat.com
> Inviato: Sabato, 23 marzo 2013 17:27:49
> Oggetto: Re: [Qemu-devel] [RFC 10/12] Add qemu_put_buffer_no_copy
>
> Can you add a "flag" or something to indicate that the iov pointer
> belongs to RAM and not to device state?
>
> That way, I could re-use this code for RDMA - if I see this flag, I
> will know to send to RDMA.....
I am not sure you can, because the function will be preceded by
a qemu_put_be64 to store the header. That header is not sent in
the RDMA case, isn't it?
Paolo
next prev parent reply other threads:[~2013-03-25 13:05 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-21 9:09 [Qemu-devel] [RFC 00/12] Migration: Remove copying of guest ram pages Orit Wasserman
2013-03-21 9:09 ` [Qemu-devel] [RFC 01/12] Add iov_writev to use writev to send iovec (also for files) Orit Wasserman
2013-03-21 9:23 ` Paolo Bonzini
2013-03-21 9:09 ` [Qemu-devel] [RFC 02/12] Add QemuFileWritevBuffer QemuFileOps Orit Wasserman
2013-03-21 9:09 ` [Qemu-devel] [RFC 03/12] Add socket_writev_buffer function Orit Wasserman
2013-03-21 9:18 ` Paolo Bonzini
2013-03-21 9:47 ` Orit Wasserman
2013-03-21 9:47 ` Paolo Bonzini
2013-03-21 10:17 ` Orit Wasserman
2013-03-21 9:09 ` [Qemu-devel] [RFC 04/12] Add stdio_writev_buffer function Orit Wasserman
2013-03-21 9:28 ` Paolo Bonzini
2013-03-21 9:09 ` [Qemu-devel] [RFC 05/12] Add block_writev_buffer function Orit Wasserman
2013-03-21 9:09 ` [Qemu-devel] [RFC 06/12] Update bytes_xfer in qemu_put_byte Orit Wasserman
2013-03-21 9:09 ` [Qemu-devel] [RFC 07/12] Store the data to send also in iovec Orit Wasserman
2013-03-21 9:56 ` Paolo Bonzini
2013-03-21 11:10 ` Orit Wasserman
2013-03-21 11:14 ` Michael S. Tsirkin
2013-03-21 12:50 ` Orit Wasserman
2013-03-21 13:00 ` Paolo Bonzini
2013-03-21 9:09 ` [Qemu-devel] [RFC 08/12] Use writev ops instead of put_buffer ops Orit Wasserman
2013-03-21 9:09 ` [Qemu-devel] [RFC 09/12] More optimized qemu_put_be64/32/16 Orit Wasserman
2013-03-21 9:09 ` [Qemu-devel] [RFC 10/12] Add qemu_put_buffer_no_copy Orit Wasserman
2013-03-21 9:25 ` Paolo Bonzini
2013-03-23 16:27 ` Michael R. Hines
2013-03-25 8:11 ` Orit Wasserman
2013-03-25 13:05 ` Paolo Bonzini [this message]
2013-03-25 15:18 ` Michael R. Hines
2013-03-25 15:59 ` Paolo Bonzini
2013-03-21 9:09 ` [Qemu-devel] [RFC 11/12] Use qemu_put_buffer_no_copy for guest memory pages Orit Wasserman
2013-03-21 9:09 ` [Qemu-devel] [RFC 12/12] Bye Bye put_buffer Orit Wasserman
2013-03-21 9:29 ` [Qemu-devel] [RFC 00/12] Migration: Remove copying of guest ram pages Paolo Bonzini
2013-03-21 10:05 ` Orit Wasserman
2013-03-21 9:48 ` Michael S. Tsirkin
2013-03-21 9:53 ` Paolo Bonzini
2013-03-21 11:09 ` Michael S. Tsirkin
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