From: "Radim Krčmář" <rkrcmar@redhat.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Lan Tianyu <Tianyu.Lan@microsoft.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, Jim Mattson <jmattson@google.com>,
Wanpeng Li <wanpengli@tencent.com>,
David Hildenbrand <david@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] KVM: x86: VMX: fix building without CONFIG_HYPERV
Date: Sat, 26 May 2018 16:18:11 +0200 [thread overview]
Message-ID: <20180526141810.GA23390@flask> (raw)
In-Reply-To: <20180525153640.3228067-1-arnd@arndb.de>
2018-05-25 17:36+0200, Arnd Bergmann:
> The global ms_hyperv variable is part of the hyperv support, so
> we get a link error from accessing it in kernels that have this
> turned off:
>
> arch/x86/kvm/vmx.o: In function `alloc_loaded_vmcs':
> vmx.c:(.text+0x1654a): undefined reference to `ms_hyperv'
> vmx.c:(.text+0x1657a): undefined reference to `ms_hyperv'
>
> This changes the condition to first check the compile-time
> configuration symbol to avoid the link error.
>
> Fixes: ceef7d10dfb6 ("KVM: x86: VMX: hyper-v: Enlightened MSR-Bitmap support")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Queued, thanks.
prev parent reply other threads:[~2018-05-26 14:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-25 15:36 [PATCH] KVM: x86: VMX: fix building without CONFIG_HYPERV Arnd Bergmann
2018-05-25 16:06 ` Vitaly Kuznetsov
2018-05-26 14:18 ` Radim Krčmář [this message]
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