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Date:   Tue, 26 May 2020 08:44:55 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Andra Paraschiv <andraprs@amazon.com>
Cc:     linux-kernel@vger.kernel.org,
        Anthony Liguori <aliguori@amazon.com>,
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        Alexander Graf <graf@amazon.de>,
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        Paolo Bonzini <pbonzini@redhat.com>,
        Balbir Singh <sblbir@amazon.com>,
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        Stefan Hajnoczi <stefanha@redhat.com>,
        Stewart Smith <trawets@amazon.com>,
        Uwe Dannowski <uwed@amazon.de>, kvm@vger.kernel.org,
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Subject: Re: [PATCH v3 02/18] nitro_enclaves: Define the PCI device interface
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On Tue, May 26, 2020 at 01:13:18AM +0300, Andra Paraschiv wrote:
> +struct enclave_get_slot_req {
> +	/* Context ID (CID) for the enclave vsock device. */
> +	u64 enclave_cid;
> +} __attribute__ ((__packed__));

Can you really "pack" a single member structure?

Anyway, we have better ways to specify this instead of the "raw"
__attribute__ option.  But first see if you really need any of these, at
first glance, I do not think you do at all, and they can all be removed.

thanks,

greg k-h