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Re: [Xen-devel] problem with netback netif copying_receiver flag
| To: | Zang Hongyong <zanghongyong@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] problem with netback netif copying_receiver flag |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Mon, 02 Jun 2008 09:55:33 +0100 |
| Delivery-date: | Mon, 02 Jun 2008 01:56:10 -0700 |
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| Thread-topic: | [Xen-devel] problem with netback netif copying_receiver flag |
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Just in case rx_copy has a value other than 0 or 1. Since it's read from xenstore it seemed worth sanitising it. It's not really very important or strictly necessary. -- Keir On 2/6/08 09:50, "Zang Hongyong" <zanghongyong@xxxxxxxxxx> wrote: > hi, > I'm confused with !! when setting netback rx_copy flag. > be->netif->copying_receiver = !!rx_copy > here why use !! ? > > why not just > be->netif->copying_receiver = rx_copy > > thanks in advance! > > Zang Hongyong > zanghongyong@xxxxxxxxxx > 2008-06-02 > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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