Commit e5aff444 authored by Juergen Gross's avatar Juergen Gross
Browse files

x86/xen: Fix sparse warning in enlighten_pv.c 



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: default avatarkernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202512140856.Ic6FetG6-lkp@intel.com/


Fixes: fdfd811d ("x86/xen: allow privcmd hypercalls to be preempted")
Reviewed-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
Message-ID: <20251215115112.15072-1-jgross@suse.com>
parent 150215b8

arch/x86/xen/enlighten_pv.c

+1 −1
Original line number Diff line number Diff line
@@ -108,7 +108,7 @@ static int xen_cpu_dead_pv(unsigned int cpu); 
 * calls.

 */

DEFINE_PER_CPU(bool, xen_in_preemptible_hcall);

EXPORT_SYMBOL_GPL(xen_in_preemptible_hcall);

EXPORT_PER_CPU_SYMBOL_GPL(xen_in_preemptible_hcall);



/*

 * In case of scheduling the flag must be cleared and restored after