linux-kernel - kvm_create() (was Re: [PATCH 0/7] KVM: Kernel-based Virtual Machine)

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Message-ID: <20061024213850.GA7529@hexapodia.org>
Date:	Tue, 24 Oct 2006 14:38:50 -0700
From:	Andy Isaacson <adi@...apodia.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Avi Kivity <avi@...ranet.com>, Muli Ben-Yehuda <muli@...ibm.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: kvm_create() (was Re: [PATCH 0/7] KVM: Kernel-based Virtual Machine)

I don't have much clue what the context of this is, but one chunk caught
my eye:

On Sat, Oct 21, 2006 at 06:16:27PM +0200, Arnd Bergmann wrote:
> Your example above could translate to something like:
> 
>    int kvm_fd = kvm_create("/kvm/my_vcpu")
>    int mem_fd = openat(kvm_fd, "mem", O_RDWR);

Based just on this snippet, it seems to me that kvm_create() could be
simply:
    open("/kvm/my_vcpu", O_CREAT | O_EXCL | O_DIRECTORY, 0777);

(Which currently seems to silently mask out O_DIRECTORY, but seems to me
should be a synonym for mkdir().)

-andy
-
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