[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH] vhost-user spec: Clarify policy on setting log_

From: Victor Kaplansky
Subject: Re: [Qemu-devel] [PATCH] vhost-user spec: Clarify policy on setting log_base
Date: Tue, 28 Nov 2017 12:43:31 -0500 (EST)

> > +Note that master is not expected to issue more than one
> > +request before the rings are fully stopped by the master. Thus no
> > modifications
> > +to log_base address are allowed before the rings are restated and the
> > client
> > +can ignore all subsequent VHOST_USER_SET_LOG_BASE requests after the
> > log_base
> > +address has been established.
> > +
> Do we actually issue VHOST_USER_SET_LOG_BASE when ring is started?

Sorry, missed this question in the previous answer.
Yes, actually qemu issues set_log_base() only in the process of migration,
and before that rings are enabled and actively updated.

> Can we put it simpler:
>       master must not send VHOST_USER_SET_LOG_BASE when ring
>       is started and logging of used ring writes is started.
> ?

reply via email to

[Prev in Thread] Current Thread [Next in Thread]