linux-kernel - Re: [PATCH 3.8-rc4-nohz3] kvm: Add missing include and EXPORT_SYMBOL

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Date:	Wed, 23 Jan 2013 17:14:32 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Sedat Dilek <sedat.dilek@...il.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3.8-rc4-nohz3] kvm: Add missing include and EXPORT_SYMBOL_GPL

2013/1/23 Sedat Dilek <sedat.dilek@...il.com>:
> When CONFIG_KVM=m my build with 3.8-rc4-nohz3 breaks like this:
>
> ERROR: "guest_enter" [arch/x86/kvm/kvm.ko] undefined!
> ERROR: "guest_exit" [arch/x86/kvm/kvm.ko] undefined!
>
> Fix this by removing the CONFIG_KVM ifdefs and adding missing
> EXPORT_SYMBOL_GPL for:
> + guest_enter() and guest_exit()
> + vtime_guest_enter() and vtime_guest_exit()
>
> Also add a missing include:
> + Add <linux/export.h> to kernel/context_tracking.c
>
> This issue was introduced with commit 8eebafe9be58 ("kvm: Prepare to
> add generic guest entry/exit callbacks").
>
> With some help of funny "i™"X86 hackerz!
>
> Tested on a Ubuntu/precise AMD64 with 'CONFIG_KVM=m'.
>
> [ vUNKNOWN: Without the magic "i" hack. -dileks ]
> [ vUNKNOWN+1: Remove vtime.h from kvm_host.h. -dileks ]
>
> Signed-off-by: Sedat Dilek <sedat.dilek@...il.com>

Thanks you!

I hope you don't mind if I fold this patch into 8eebafe9be58. If I
apply your patch separately, my patch would break the bisection.
But I'll add your signed-off and the appropriate co-authorship credits.
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