linux-kernel - Re: [KVM PATCH v2 4/4] kvm: add iosignalfd support

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Message-ID: <4A10704E.1080301@redhat.com>
Date:	Sun, 17 May 2009 23:15:10 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Gregory Haskins <ghaskins@...ell.com>
CC:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [KVM PATCH v2 4/4] kvm: add iosignalfd support

Gregory Haskins wrote:
> +
> +struct _iosignalfd {
>   

Why the underscore?  It's unorthodox for a structure.

> +	u64                  cookie;
> +	u64                  addr;
> +	size_t               length;
> +	struct file         *file;
> +	struct list_head     list;
> +	struct kvm_io_device dev;
> +};
>   

How will that work with multiple identical addresses and different 
cookies?  Will the code iterate over all of them and just fire for one?

I guess that's the best way for now.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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