linux-kernel - [PATCH] x86_coco_sev: Fix build warnings about export.h

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Message-Id: <20250611015251.13258-1-chengzhenghan@uniontech.com>
Date: Wed, 11 Jun 2025 09:52:51 +0800
From: “ChengZhenghan” <chengzhenghan@...ontech.com>
To: 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,
	linux-kernel@...r.kernel.org
Cc: "H . Peter Anvin" <hpa@...or.com>,
	Tom Lendacky <thomas.lendacky@....com>,
	Nikunj A Dadhania <nikunj@....com>,
	Ard Biesheuvel <ardb@...nel.org>,
	Ashish Kalra <ashish.kalra@....com>,
	ChengZhenghan <chengzhenghan@...ontech.com>
Subject: [PATCH] x86_coco_sev: Fix build warnings about export.h

From: ChengZhenghan <chengzhenghan@...ontech.com>

I got a build warning with W=1:
arch/x86/coco/sev/core.c:
warning: EXPORT_SYMBOL() is used,
but #include <linux/export.h> is missing
so I fixed the build warning for x86_64.

Signed-off-by: ChengZhenghan <chengzhenghan@...ontech.com>
---
 arch/x86/coco/sev/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/coco/sev/core.c b/arch/x86/coco/sev/core.c
index b6db4e0b936b..4b5d41bdd58d 100644
--- a/arch/x86/coco/sev/core.c
+++ b/arch/x86/coco/sev/core.c
@@ -20,6 +20,7 @@
 #include <linux/mm.h>
 #include <linux/cpumask.h>
 #include <linux/efi.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/psp-sev.h>
-- 
2.47.2