[xen staging] x86/cpuid: use fallthrough pseudo keyword

[patchbot@xxxxxxx]

commit 9d3c8dc1c030bdaf8429fa71310c4c135dd8e1d9
Author:     Federico Serafini <federico.serafini@xxxxxxxxxxx>
AuthorDate: Wed Jul 24 11:42:53 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jul 24 11:42:53 2024 +0200

    x86/cpuid: use fallthrough pseudo keyword
    
    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.
          */
--
generated by git-patchbot for /home/xen/git/xen.git#staging