linux-kernel - Re: [PATCH] xen: avoid link error on ARM

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Date:   Mon, 4 Mar 2019 16:19:27 -0500
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Arnd Bergmann <arnd@...db.de>, Juergen Gross <jgross@...e.com>
Cc:     Stefano Stabellini <sstabellini@...nel.org>,
        Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>,
        Matthew Wilcox <willy@...radead.org>,
        Paul Durrant <paul.durrant@...rix.com>,
        Souptick Joarder <jrdr.linux@...il.com>,
        linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org
Subject: Re: [PATCH] xen: avoid link error on ARM

On 3/4/19 3:47 PM, Arnd Bergmann wrote:
> Building the privcmd code as a loadable module on ARM, we get
> a link error due to the private cache management functions:
>
> ERROR: "__sync_icache_dcache" [drivers/xen/xen-privcmd.ko] undefined!

Can __sync_icache_dcache be exported in arm32, just like it is in arm64?

-boris