From: Paolo Bonzini <pbonzini@redhat.com>
To: Umesh Deshpande <udeshpan@redhat.com>
Cc: kvm@vger.kernel.org, quintela@redhat.com, mtosatti@redhat.com
Subject: Re: [RFC PATCH v3 1/4] separate thread for VM migration
Date: Fri, 12 Aug 2011 08:40:57 +0200 [thread overview]
Message-ID: <4E44CAF9.1080802@redhat.com> (raw)
In-Reply-To: <4E441302.5090102@redhat.com>
On 08/11/2011 07:36 PM, Umesh Deshpande wrote:
>>
> Now, migrate_fd_cleanup, buffured_close is just executed by the
> migration thread.
> I am not letting iothread call any migration cancellation related
> functions. In stead it just submits the request and waits for the
> migration thread to terminate itself in the next iteration.
> The reason is to avoid the call to qemu_fflush,
> qemu_savevm_state_cancel (to carry out migrate_cancel) from iothread
> while migration thread is transferring data without holding the locks.
Got it now, thanks for explaining.
Paolo
next prev parent reply other threads:[~2011-08-12 6:41 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-11 15:32 [RFC PATCH v3 0/4] Separate thread for VM migration Umesh Deshpande
2011-08-11 15:32 ` [RFC PATCH v3 1/4] separate " Umesh Deshpande
2011-08-11 16:18 ` Paolo Bonzini
2011-08-11 17:36 ` Umesh Deshpande
2011-08-12 6:40 ` Paolo Bonzini [this message]
2011-08-11 15:32 ` [RFC PATCH v3 2/4] Making iothread block for migrate_cancel Umesh Deshpande
2011-08-11 15:32 ` [RFC PATCH v3 3/4] lock to protect memslots Umesh Deshpande
2011-08-11 16:20 ` Paolo Bonzini
2011-08-12 6:45 ` Paolo Bonzini
2011-08-15 6:45 ` Umesh Deshpande
2011-08-15 14:10 ` Paolo Bonzini
2011-08-15 7:26 ` Marcelo Tosatti
2011-08-15 14:14 ` Paolo Bonzini
2011-08-15 20:27 ` Umesh Deshpande
2011-08-16 6:15 ` Paolo Bonzini
2011-08-16 7:56 ` Paolo Bonzini
2011-08-11 15:32 ` [RFC PATCH v3 4/4] Separate migration bitmap Umesh Deshpande
2011-08-11 16:23 ` [RFC PATCH v3 0/4] Separate thread for VM migration Paolo Bonzini
2011-08-11 18:25 ` Anthony Liguori
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