linux-kernel - Re: [ANNOUNCE] 3.8-rc4-nohz3

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Date:	Wed, 23 Jan 2013 13:14:23 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Steven Rostedt <srostedt@...hat.com>
Subject: Re: [ANNOUNCE] 3.8-rc4-nohz3

On Wed, Jan 23, 2013 at 1:11 PM, Frederic Weisbecker <fweisbec@...il.com> wrote:
> 2013/1/23 Sedat Dilek <sedat.dilek@...il.com>:
>> On Wed, Jan 23, 2013 at 12:19 PM, Sedat Dilek <sedat.dilek@...il.com> wrote:
>>> Hi Frederic,
>>>
>>> I wanted to 3.8-rc4-nohz3 [1] here on my Ubuntu/precise AMD64 system.
>>>
>>> Unfortunately, the build breaks like this:
>>>
>>> ERROR: "guest_enter" [arch/x86/kvm/kvm.ko] undefined!
>>> ERROR: "guest_exit" [arch/x86/kvm/kvm.ko] undefined!
>>>
>>
>> Looks like you tested with CONFIG_KVM=y (as module fails!).
>
> Yep. looks like I forgot some EXPORT_SYMBOL().
>

Hmmm, that was my first thought, too, but about...

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c243b81..fff0932 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5713,7 +5713,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
        if (req_immediate_exit)
                smp_send_reschedule(vcpu->cpu);

-       kvm_guest_enter();
+       guest_enter();

        if (unlikely(vcpu->arch.switch_db_regs)) {
                set_debugreg(0, 7);


...this?

- Sedat -

> Thanks!
--
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