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SubjectRe: [Xen-devel] [PATCH] ARM: xen: unexport HYPERVISOR_platform_op function
On 06/09/2019 17:00, Arnd Bergmann wrote:
> On Fri, Sep 6, 2019 at 5:55 PM Andrew Cooper <> wrote:
>> On 06/09/2019 16:39, Arnd Bergmann wrote:
>>> HYPERVISOR_platform_op() is an inline function and should not
>>> be exported. Since commit 15bfc2348d54 ("modpost: check for
>>> static EXPORT_SYMBOL* functions"), this causes a warning:
>>> WARNING: "HYPERVISOR_platform_op" [vmlinux] is a static EXPORT_SYMBOL_GPL
>>> Remove the extraneous export.
>>> Fixes: 15bfc2348d54 ("modpost: check for static EXPORT_SYMBOL* functions")
>>> Signed-off-by: Arnd Bergmann <>
>> Something is wonky. That symbol is (/ really ought to be) in the
>> hypercall page and most definitely not inline.
>> Which tree is that changeset from? I can't find the SHA.
> This is from linux-next, I think from the kbuild tree.


Julien/Stefano: Why are any of these hypercalls out-of-line?  ARM
doesn't use the hypercall page, and there is no argument translation
(not even in arm32 as there are no 5-argument hypercalls declared).

They'd surely be easier to implement with a few static inlines and some
common code, than to try and replicate the x86 side hypercall_page
interface ?


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