1 files changed, 2 insertions, 5 deletions

diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 3f8d7a3b6447..6106d11ceb6b 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -587,11 +587,8 @@ detect_keyid_bits:
         }
 
         /*
-         * Exclude KeyID bits from physical address bits.
-         *
-         * We have to do this even if we are not going to use KeyID bits
-         * ourself. VM guests still have to know that these bits are not usable
-         * for physical address.
+         * KeyID bits effectively lower the number of physical address
+         * bits.  Update cpuinfo_x86::x86_phys_bits accordingly.
          */
         c->x86_phys_bits -= keyid_bits;
 }