linux-kernel - [PATCH] KVM: X86: Fix compile error in svm/sev.c

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Date:   Sun, 19 Apr 2020 15:30:47 +0800
From:   Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
To:     pbonzini@...hat.com, tsbogend@...ha.franken.de, paulus@...abs.org,
        mpe@...erman.id.au, benh@...nel.crashing.org,
        borntraeger@...ibm.com, frankja@...ux.ibm.com, david@...hat.com,
        cohuck@...hat.com, heiko.carstens@...ibm.com, gor@...ux.ibm.com,
        sean.j.christopherson@...el.com, vkuznets@...hat.com,
        wanpengli@...cent.com, jmattson@...gle.com, joro@...tes.org,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, x86@...nel.org,
        hpa@...or.com, maz@...nel.org, james.morse@....com,
        julien.thierry.kdev@...il.com, suzuki.poulose@....com,
        christoffer.dall@....com, peterx@...hat.com, thuth@...hat.com
Cc:     kvm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kvmarm@...ts.cs.columbia.edu, linux-mips@...r.kernel.org,
        kvm-ppc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        tianjia.zhang@...ux.alibaba.com
Subject: [PATCH] KVM: X86: Fix compile error in svm/sev.c

The compiler reported the following compilation errors:

arch/x86/kvm/svm/sev.c: In function ‘sev_pin_memory’:
arch/x86/kvm/svm/sev.c:361:3: error: implicit declaration of function
‘release_pages’ [-Werror=implicit-function-declaration]
   release_pages(pages, npinned);
   ^~~~~~~~~~~~~

The reason is that the 'pagemap.h' header file is not included.

Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
---
 arch/x86/kvm/svm/sev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 0e3fc311d7da..3ef99e87c1db 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -13,6 +13,7 @@
 #include <linux/highmem.h>
 #include <linux/psp-sev.h>
 #include <linux/swap.h>
+#include <linux/pagemap.h>
 
 #include "x86.h"
 #include "svm.h"
-- 
2.17.1