linux-kernel - Re: [PATCH V2 04/10] Drivers: hv: vmbus: add special kexec handler

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Date:	Tue, 23 Jun 2015 20:11:02 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:	Olaf Hering <olaf@...fle.de>,
	"K. Y. Srinivasan" <kys@...rosoft.com>,
	linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
	apw@...onical.com, jasowang@...hat.com
Subject: Re: [PATCH V2 04/10] Drivers: hv: vmbus: add special kexec handler

On Tue, Jun 23, 2015 at 06:28:36PM +0200, Vitaly Kuznetsov wrote:
> Olaf Hering <olaf@...fle.de> writes:
> 
> > On Thu, Jun 04, K. Y. Srinivasan wrote:
> >
> >> +++ b/arch/x86/kernel/cpu/mshyperv.c
> >> @@ -18,6 +18,9 @@
> >>  #include <linux/efi.h>
> >>  #include <linux/interrupt.h>
> >>  #include <linux/irq.h>
> >> +#ifdef CONFIG_KEXEC
> >> +#include <linux/kexec.h>
> >> +#endif
> >
> > Is this #ifdef required?
> >
> 
> No, it's not, but other parts of the same patch do (e.g. there is no
> kexec_in_progress without CONFIG_KEXEC). We can probably omit #ifdef
> here but I'm not sure it makes sense.

No #ifdef should be in a .c file if at all possible, so please remove
them all if you can.  If not, then work to fix up the .h file properly
so that you can.

thanks,

greg k-h
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