xen: make HYPERVISOR_get_debugreg() always_inline

HYPERVISOR_get_debugreg() is being called from noinstr code, so it
should be attributed "always_inline".

Fixes: f4afb713e5c3a4419ba ("x86/xen: Make get_debugreg() noinstr")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20211125092056.24758-2-jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 0575f58..28ca111 100644 (file)
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -287,7 +287,7 @@ HYPERVISOR_set_debugreg(int reg, unsigned long value)
        return _hypercall2(int, set_debugreg, reg, value);
 }
 
-static inline unsigned long
+static __always_inline unsigned long
 HYPERVISOR_get_debugreg(int reg)
 {
        return _hypercall1(unsigned long, get_debugreg, reg);