linux-kernel - Re: [PATCH RFC] virtio-net: remove useless disable on freeze

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20120503105959.GM13421@amit.redhat.com>
Date:	Thu, 3 May 2012 16:29:59 +0530
From:	Amit Shah <amit.shah@...hat.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	netdev@...r.kernel.org, Rusty Russell <rusty@...tcorp.com.au>,
	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH RFC] virtio-net: remove useless disable on freeze

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/