linux-kernel - [PATCH 3/6] KVM: x86: hyper-v: Fix warnings for missing export.h header inclusion

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Message-Id: <20250611100459.92900-4-namjain@linux.microsoft.com>
Date: Wed, 11 Jun 2025 15:34:56 +0530
From: Naman Jain <namjain@...ux.microsoft.com>
To: "K . Y . Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Wei Liu <wei.liu@...nel.org>,
	Dexuan Cui <decui@...rosoft.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>,
	Vitaly Kuznetsov <vkuznets@...hat.com>,
	Sean Christopherson <seanjc@...gle.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Manivannan Sadhasivam <mani@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Konstantin Taranov <kotaranov@...rosoft.com>,
	Leon Romanovsky <leon@...nel.org>,
	Long Li <longli@...rosoft.com>,
	Shiraz Saleem <shirazsaleem@...rosoft.com>,
	Shradha Gupta <shradhagupta@...ux.microsoft.com>,
	Maxim Levitsky <mlevitsk@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Erni Sri Satya Vennela <ernis@...ux.microsoft.com>,
	Souradeep Chakrabarti <schakrabarti@...ux.microsoft.com>
Cc: linux-hyperv@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: [PATCH 3/6] KVM: x86: hyper-v: Fix warnings for missing export.h header inclusion

Fix below warning in Hyper-V drivers that comes when kernel is compiled
with W=1 option. Include export.h in driver files to fix it.
* warning: EXPORT_SYMBOL() is used, but #include <linux/export.h>
is missing

Signed-off-by: Naman Jain <namjain@...ux.microsoft.com>
---
 arch/x86/kvm/hyperv.c       | 1 +
 arch/x86/kvm/kvm_onhyperv.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 24f0318c50d7..09f9de4555dd 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -33,6 +33,7 @@
 #include <linux/sched/cputime.h>
 #include <linux/spinlock.h>
 #include <linux/eventfd.h>
+#include <linux/export.h>
 
 #include <asm/apicdef.h>
 #include <asm/mshyperv.h>
diff --git a/arch/x86/kvm/kvm_onhyperv.c b/arch/x86/kvm/kvm_onhyperv.c
index ded0bd688c65..ba45f8364187 100644
--- a/arch/x86/kvm/kvm_onhyperv.c
+++ b/arch/x86/kvm/kvm_onhyperv.c
@@ -5,6 +5,7 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kvm_host.h>
+#include <linux/export.h>
 #include <asm/mshyperv.h>
 
 #include "hyperv.h"
-- 
2.34.1