KVM: stats: Fix value for KVM_STATS_UNIT_MAX for boolean stats

commit 509c397cb4ea ("kvm: stats: tell userspace which values are
boolean") added a new stat unit (boolean) but failed to raise
KVM_STATS_UNIT_MAX.

Fix by pointing UNIT_MAX at the new max value of UNIT_BOOLEAN.

Fixes: 509c397cb4ea ("kvm: stats: tell userspace which values are boolean")
Reported-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Signed-off-by: Oliver Upton <oupton@google.com>
Message-Id: <20220719125229.2934273-1-oupton@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index 6e090fb96a0edb4d83c386b01f8a839056cc9206..98a2839303071188de011d79a05d3d226a0125f9 100644 (file)
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -5658,7 +5658,7 @@ by a string of size ``name_size``.
        #define KVM_STATS_UNIT_SECONDS          (0x2 << KVM_STATS_UNIT_SHIFT)
        #define KVM_STATS_UNIT_CYCLES           (0x3 << KVM_STATS_UNIT_SHIFT)
        #define KVM_STATS_UNIT_BOOLEAN          (0x4 << KVM_STATS_UNIT_SHIFT)
-       #define KVM_STATS_UNIT_MAX              KVM_STATS_UNIT_CYCLES
+       #define KVM_STATS_UNIT_MAX              KVM_STATS_UNIT_BOOLEAN
 
        #define KVM_STATS_BASE_SHIFT            8
        #define KVM_STATS_BASE_MASK             (0xF << KVM_STATS_BASE_SHIFT)

diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 811897dadcae259fdc5e373f25b30fc302f4ce60..860f867c50c0e292fa31ac41388ce2bf50dab97e 100644 (file)
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -2084,7 +2084,7 @@ struct kvm_stats_header {
 #define KVM_STATS_UNIT_SECONDS         (0x2 << KVM_STATS_UNIT_SHIFT)
 #define KVM_STATS_UNIT_CYCLES          (0x3 << KVM_STATS_UNIT_SHIFT)
 #define KVM_STATS_UNIT_BOOLEAN         (0x4 << KVM_STATS_UNIT_SHIFT)
-#define KVM_STATS_UNIT_MAX             KVM_STATS_UNIT_CYCLES
+#define KVM_STATS_UNIT_MAX             KVM_STATS_UNIT_BOOLEAN
 
 #define KVM_STATS_BASE_SHIFT           8
 #define KVM_STATS_BASE_MASK            (0xF << KVM_STATS_BASE_SHIFT)