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From: Amit Shah <amit.shah@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org, virtualization@lists.linux-foundation.org
Subject: Re: [PATCH RFC] virtio-net: remove useless disable on freeze
Date: Thu, 3 May 2012 16:29:59 +0530	[thread overview]
Message-ID: <20120503105959.GM13421@amit.redhat.com> (raw)
In-Reply-To: <20120404091954.GA3776@redhat.com>

On (Wed) 04 Apr 2012 [12:19:55], Michael S. Tsirkin wrote:
> disable_cb is just an optimization: it
> can not guarantee that there are no callbacks.

Even then, what's the harm in keeping it?  If indeed there's an
attempt to raise an interrupt after the host has been notified, it
will be suppressed.

Also, disable_cb seems to be used elsewhere in the virtio_net.c file,
to suit similar purposes.

		Amit

  reply	other threads:[~2012-05-03 10:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-04  9:19 [PATCH RFC] virtio-net: remove useless disable on freeze Michael S. Tsirkin
2012-05-03 10:59 ` Amit Shah [this message]
2012-05-03 11:08   ` Michael S. Tsirkin
2012-05-28 12:53 ` Michael S. Tsirkin
2012-05-30 10:11   ` Rusty Russell
2012-05-31  8:35     ` Stephen Rothwell
2012-05-31  8:47       ` Michael S. Tsirkin
2012-05-31  9:04         ` Michael S. Tsirkin

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