From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <JBeulich@suse.com>
Subject: Re: [PATCH v10 09/20] x86/VPMU: Add public xenpmu.h
Date: Wed, 10 Sep 2014 15:45:57 +0100
Message-ID: <54108045020000780003362D@mail.emea.novell.com>
References: <1409802080-6160-1-git-send-email-boris.ostrovsky@oracle.com>
	<1409802080-6160-10-git-send-email-boris.ostrovsky@oracle.com>
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To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: tim@xen.org, kevin.tian@intel.com, keir@xen.org, suravee.suthikulpanit@amd.com, andrew.cooper3@citrix.com, eddie.dong@intel.com, xen-devel@lists.xen.org, Aravind.Gopalakrishnan@amd.com, jun.nakajima@intel.com
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>>> On 04.09.14 at 05:41, <boris.ostrovsky@oracle.com> wrote:
> +struct xen_pmu_arch {
> +    union {
> +        struct cpu_user_regs regs;
> +        uint8_t pad[256];
> +    } r;

Can you remind me again what you need the union and padding for
here?

Jan