linux-kernel - Re: [PATCH 9/9] xen/x86: adjust data placement

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Date:   Thu, 23 Sep 2021 17:04:46 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Jan Beulich <jbeulich@...e.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc:     Stefano Stabellini <sstabellini@...nel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        "xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org>
Subject: Re: [PATCH 9/9] xen/x86: adjust data placement

On 07.09.21 12:13, Jan Beulich wrote:
> Both xen_pvh and xen_start_flags get written just once aeryl during
> init. Using the respective annotation then allows the open-coded placing
> in .data to go away.
> 
> Additionally the former, like the latter, wants exporting, or else
> xen_pvh_domain() can't be used from modules.
> 
> Signed-off-by: Jan Beulich <jbeulich@...e.com>
> ---
> I have to admit that it is completely unclear to me which form of
> exporting I should have used: xen_domain_type is GPL-only while
> xen_start_flags is not, yet both are used in similar ways, extending to
> xen_pvh.

I'd use EXPORT_SYMBOL_GPL(xen_pvh).


Juergen

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