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From: Paolo Bonzini <pbonzini@redhat.com>
To: Umesh Deshpande <udeshpan@redhat.com>
Cc: mtosatti@redhat.com, qemu-devel@nongnu.org, kvm@vger.kernel.org,
	Juan Quintela <quintela@redhat.com>
Subject: Re: [Qemu-devel] [RFC PATCH v2 1/3] separate thread for VM migration
Date: Tue, 02 Aug 2011 09:44:18 +0200	[thread overview]
Message-ID: <4E37AAD2.2090706@redhat.com> (raw)
In-Reply-To: <4E371406.7040109@redhat.com>

On 08/01/2011 11:00 PM, Umesh Deshpande wrote:
>>
> I kept this in migration.c to call qemu_savevm_state_begin. (The way it
> is done currently. i.e. to keep access to FdMigrationState in migration.c)
> Calling it from buffered_file.c would be inconsistent in that sense. or
> we will have to call it from the iothread before spawning the migration
> thread.

Right, I missed that.  Perhaps you can call it the first time put_ready 
is called.

> Also why is the separation between FdMigrationState and QEMUFileBuffered
> is required. Is QEMUFileBuffered designed to use also for things other
> than migration?

No, but let's keep it this way for now.  It may be an annoyance, but it 
also helps making a reusable architecture, and it can probably be 
cleaned up substantially with thread support.

Paolo

  reply	other threads:[~2011-08-02  7:44 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-29 20:57 [Qemu-devel] [RFC PATCH v2 0/3] separate thread for VM migration Umesh Deshpande
2011-07-29 20:57 ` [Qemu-devel] [RFC PATCH v2 1/3] " Umesh Deshpande
2011-08-01  9:37   ` Paolo Bonzini
2011-08-01 21:00     ` Umesh Deshpande
2011-08-02  7:44       ` Paolo Bonzini [this message]
2011-07-29 20:57 ` [Qemu-devel] [RFC PATCH v2 2/3] fine grained qemu_mutex locking for migration Umesh Deshpande
2011-08-01  9:39   ` Paolo Bonzini
2011-08-02 16:30   ` Marcelo Tosatti
2011-07-29 20:57 ` [Qemu-devel] [RFC PATCH v2 3/3] Per memslot dirty bitmap Umesh Deshpande
2011-08-02 16:29   ` Marcelo Tosatti
2011-08-01  9:41 ` [Qemu-devel] [RFC PATCH v2 0/3] separate thread for VM migration shawn che

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