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

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Message-ID: <82ce1798-1dab-d271-d084-e9a89bb44e71@intel.com>
Date:   Sun, 19 Apr 2020 16:24:19 +0800
From:   Xiaoyao Li <xiaoyao.li@...el.com>
To:     Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>,
        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
Subject: Re: [PATCH] KVM: X86: Fix compile error in svm/sev.c

On 4/19/2020 3:30 PM, Tianjia Zhang wrote:
> 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.
> 

FYI.

Boris has sent the Patch:
https://lkml.kernel.org/r/20200411160927.27954-1-bp@alien8.de

and it's already in kvm master/queue branch