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From: Paolo Bonzini <pbonzini@redhat.com>
To: Orit Wasserman <owasserm@redhat.com>
Cc: quintela@redhat.com, chegu_vinod@hp.com, qemu-devel@nongnu.org,
	"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] [RFC 07/12] Store the data to send also in iovec
Date: Thu, 21 Mar 2013 14:00:59 +0100	[thread overview]
Message-ID: <514B048B.3070704@redhat.com> (raw)
In-Reply-To: <514B0212.8010706@redhat.com>

Il 21/03/2013 13:50, Orit Wasserman ha scritto:
> On 03/21/2013 01:14 PM, Michael S. Tsirkin wrote:
>> On Thu, Mar 21, 2013 at 01:10:40PM +0200, Orit Wasserman wrote:
>>> On 03/21/2013 11:56 AM, Paolo Bonzini wrote:
>>>> Il 21/03/2013 10:09, Orit Wasserman ha scritto:
>>>>> All data is still copied into the static buffer.
>>>>>
>>>>> Signed-off-by: Orit Wasserman <owasserm@redhat.com>
>>>>> ---
>>>>>  savevm.c | 13 +++++++++++--
>>>>>  1 file changed, 11 insertions(+), 2 deletions(-)
>>>>>
>>>>> diff --git a/savevm.c b/savevm.c
>>>>> index ec64533..d5834ca 100644
>>>>> --- a/savevm.c
>>>>> +++ b/savevm.c
>>>>> @@ -114,6 +114,7 @@ void qemu_announce_self(void)
>>>>>  /* savevm/loadvm support */
>>>>>  
>>>>>  #define IO_BUF_SIZE 32768
>>>>> +#define MAX_IOV_SIZE 64
>>>>
>>>> You could use IOV_MAX, or min(IOV_MAX, 64).
>
> Paolo, are you ok with leaving it MIN(IOV_MAX, 64) at the moment?

Of course! (When I use "..." it means "I don't expect you to do that..."
:)).

Paolo

  reply	other threads:[~2013-03-21 13:01 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 [this message]
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
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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