Re: [PATCH] x86/xen: Fix sparse warning in enlighten_pv.c

[Boris Ostrovsky]

On 12/15/25 6:51 AM, Juergen Gross wrote:
> The sparse tool issues a warning for arch/x76/xen/enlighten_pv.c:
>
>     arch/x86/xen/enlighten_pv.c:120:9: sparse: sparse: incorrect type
>       in initializer (different address spaces)
>       expected void const [noderef] __percpu *__vpp_verify
>       got bool *
>
> This is due to the percpu variable xen_in_preemptible_hcall being
> exported via EXPORT_SYMBOL_GPL() instead of EXPORT_PER_CPU_SYMBOL_GPL().
>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-kbuild-all/202512140856.Ic6FetG6-lkp@xxxxxxxxx/
> Fixes: fdfd811ddde3 ("x86/xen: allow privcmd hypercalls to be preempted")
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>