linux-kernel - [PATCH v2] KVM: x86: add missing MODULE

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Date: Sat, 22 Jun 2024 22:44:55 -0700
From: Jeff Johnson <quic_jjohnson@...cinc.com>
To: Sean Christopherson <seanjc@...gle.com>,
        Paolo Bonzini
	<pbonzini@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar
	<mingo@...hat.com>,
        Borislav Petkov <bp@...en8.de>,
        Dave Hansen
	<dave.hansen@...ux.intel.com>, <x86@...nel.org>,
        "H. Peter Anvin"
	<hpa@...or.com>
CC: <kvm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Jeff Johnson
	<quic_jjohnson@...cinc.com>
Subject: [PATCH v2] KVM: x86: add missing MODULE_DESCRIPTION() macros

Fix the following allmodconfig 'make W=1' warnings when building for x86:
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/kvm/kvm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/kvm/kvm-intel.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/kvm/kvm-amd.o

Signed-off-by: Jeff Johnson <quic_jjohnson@...cinc.com>
---
Changes in v2:
- Per Sean:
  - updated SVM and VMX descriptions to add "support for"
  - updated kvm_main description to use the term Hypervisor (in 2 places)
- Link to v1: https://lore.kernel.org/r/20240528-md-kvm-v1-1-c1b86f0f5112@quicinc.com
---
 arch/x86/kvm/svm/svm.c | 1 +
 arch/x86/kvm/vmx/vmx.c | 1 +
 virt/kvm/kvm_main.c    | 3 ++-
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index c8dc25886c16..e484a95ffbad 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -53,6 +53,7 @@
 #include "svm_onhyperv.h"
 
 MODULE_AUTHOR("Qumranet");
+MODULE_DESCRIPTION("KVM support for SVM (AMD-V) extensions");
 MODULE_LICENSE("GPL");
 
 #ifdef MODULE
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 6051fad5945f..2ec2b7105056 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -74,6 +74,7 @@
 #include "posted_intr.h"
 
 MODULE_AUTHOR("Qumranet");
+MODULE_DESCRIPTION("KVM support for VMX (Intel VT-x) extensions");
 MODULE_LICENSE("GPL");
 
 #ifdef MODULE
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 14841acb8b95..ffe4ba998225 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Kernel-based Virtual Machine driver for Linux
+ * Kernel-based Virtual Machine (KVM) Hypervisor
  *
  * This module enables machines with Intel VT-x extensions to run virtual
  * machines without emulation or binary translation.
@@ -74,6 +74,7 @@
 #define ITOA_MAX_LEN 12
 
 MODULE_AUTHOR("Qumranet");
+MODULE_DESCRIPTION("Kernel-based Virtual Machine (KVM) Hypervisor");
 MODULE_LICENSE("GPL");
 
 /* Architectures should define their poll value according to the halt latency */

---
base-commit: 2bfcfd584ff5ccc8bb7acde19b42570414bf880b
change-id: 20240528-md-kvm-36f20bc4a5b0