From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
Max Krasnyansky <maxk@qualcomm.com>,
virtualization@lists.linux-foundation.org
Subject: Re: [PATCH RFC 1/5] vringfd syscall
Date: Wed, 09 Apr 2008 14:28:05 -0500 [thread overview]
Message-ID: <47FD18C5.6040709@goop.org> (raw)
In-Reply-To: <200804052202.09157.rusty@rustcorp.com.au>
Rusty Russell wrote:
> +asmlinkage long sys_vringfd(void __user *addr,
> + unsigned num_descs,
> + u16 __user *last_used)
> +{
> + int fd, err;
> + struct file *filp;
> + struct vring_info *vr;
> +
> + /* Must be a power of two, and representable by u16 */
> + if (!num_descs || (num_descs & (num_descs-1)) || num_descs > 65536) {
>
65536 doesn't fit in u16.
J
next prev parent reply other threads:[~2008-04-09 19:28 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-05 12:02 [PATCH RFC 1/5] vringfd syscall Rusty Russell
2008-04-05 12:04 ` [PATCH RFC 2/5] vringfd base/offset Rusty Russell
2008-04-05 12:05 ` [PATCH RFC 3/5] tun: vringfd receive support Rusty Russell
2008-04-05 12:06 ` [PATCH RFC 4/5] tun: vringfd xmit support Rusty Russell
2008-04-05 12:09 ` [PATCH RFC 5/5] lguest support Rusty Russell
2008-04-07 5:13 ` [PATCH RFC 4/5] tun: vringfd xmit support Herbert Xu
2008-04-07 7:24 ` Rusty Russell
2008-04-07 7:35 ` David Miller
2008-04-08 1:51 ` Rusty Russell
2008-04-08 19:49 ` [PATCH RFC 3/5] tun: vringfd receive support Max Krasnyansky
2008-04-09 12:46 ` Dor Laor
2008-04-10 17:02 ` Max Krasnyanskiy
2008-04-10 5:44 ` Rusty Russell
2008-04-10 17:18 ` Max Krasnyanskiy
2008-04-05 12:44 ` [PATCH RFC 2/5] vringfd base/offset Avi Kivity
2008-04-06 2:54 ` Rusty Russell
[not found] ` <200804052205.43824.rusty__2650.41595926068$1207397436$gmane$org@rustcorp.com.au>
2008-04-05 17:26 ` [PATCH RFC 3/5] tun: vringfd receive support Anthony Liguori
2008-04-08 5:14 ` [PATCH RFC 2/5] vringfd base/offset Arnd Bergmann
[not found] ` <200804052204.28518.rusty__10896.9346424148$1207397431$gmane$org@rustcorp.com.au>
2008-04-05 17:18 ` Anthony Liguori
2008-04-06 3:23 ` Rusty Russell
2008-04-07 17:54 ` [PATCH RFC 1/5] vringfd syscall Jonathan Corbet
2008-04-07 22:34 ` Rusty Russell
2008-04-08 2:35 ` Arnd Bergmann
2008-04-09 19:28 ` Jeremy Fitzhardinge [this message]
2008-04-12 17:18 ` Marcelo Tosatti
2008-04-12 17:39 ` Marcelo Tosatti
2008-04-12 18:19 ` Rusty Russell
[not found] <200804052202.09157.rusty__7324.67876882783$1207397085$gmane$org@rustcorp.com.au>
2008-04-05 17:13 ` Anthony Liguori
2008-04-06 3:03 ` Rusty Russell
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