[XEN PATCH v4 2/9] x86/cpuid: use fallthrough pseudo keyword

[Federico Serafini <federico.serafini@xxxxxxxxxxx>]

The current comment making explicit the fallthrough intention does
not follow the agreed syntax: replace it with the pseduo keyword.

No functional change.

Signed-off-by: Federico Serafini <federico.serafini@xxxxxxxxxxx>
Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/x86/cpuid.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/xen/arch/x86/cpuid.c b/xen/arch/x86/cpuid.c
index a822e80c7e..2a777436ee 100644
--- a/xen/arch/x86/cpuid.c
+++ b/xen/arch/x86/cpuid.c
@@ -97,9 +97,8 @@ void guest_cpuid(const struct vcpu *v, uint32_t leaf,
         if ( is_viridian_domain(d) )
             return cpuid_viridian_leaves(v, leaf, subleaf, res);
 
+        fallthrough;
         /*
-         * Fallthrough.
-         *
          * Intel reserve up until 0x4fffffff for hypervisor use.  AMD reserve
          * only until 0x400000ff, but we already use double that.
          */
-- 
2.34.1