linux-kernel - Re: [PATCH v5 1/8] virtio: introduce virtio_is_little

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20150423192215.12182311@thh440s>
Date:	Thu, 23 Apr 2015 19:22:15 +0200
From:	Thomas Huth <thuth@...hat.com>
To:	Greg Kurz <gkurz@...ux.vnet.ibm.com>
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v5 1/8] virtio: introduce virtio_is_little_endian()
 helper

Am Thu, 23 Apr 2015 17:26:20 +0200
schrieb Greg Kurz <gkurz@...ux.vnet.ibm.com>:

> Signed-off-by: Greg Kurz <gkurz@...ux.vnet.ibm.com>
> ---
>  include/linux/virtio_config.h |   17 +++++++++++------
>  1 file changed, 11 insertions(+), 6 deletions(-)
> 
> diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
> index ca3ed78..bd1a582 100644
> --- a/include/linux/virtio_config.h
> +++ b/include/linux/virtio_config.h
> @@ -205,35 +205,40 @@ int virtqueue_set_affinity(struct virtqueue *vq, int cpu)
>  	return 0;
>  }
>  
> +static inline bool virtio_is_little_endian(struct virtio_device *vdev)
> +{
> +	return virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
> +}

So this function returns false when _not_ using version 1, but running
on a little endian host + guest? Sounds confusing. Maybe you could name
it "virtio_is_v1()" or so instead?

 Thomas
--
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/