linux-kernel - Re: [PATCH v5 0/6] x86/apic: Fix restoring boot irq mode in reboot and kexec/kdump

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Date:   Sat, 17 Feb 2018 19:28:14 +0800
From:   Baoquan He <bhe@...hat.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     ebiederm@...ssion.com, linux-kernel@...r.kernel.org,
        tglx@...utronix.de, x86@...nel.org, douly.fnst@...fujitsu.com,
        joro@...tes.org, uobergfe@...hat.com, prarit@...hat.com
Subject: Re: [PATCH v5 0/6] x86/apic: Fix restoring boot irq mode in reboot
 and kexec/kdump

On 02/17/18 at 11:46am, Ingo Molnar wrote:
> 
> * Baoquan He <bhe@...hat.com> wrote:
> 
> > Thanks for checking this!
> > 
> > I got warning message from kbuild test robot on previous v3 and v4. I
> > guess this v5 post also has the issue since the code is the same, just
> > patch format is changed.
> > 
> > Will report status after investigation.
> 
> Well, your patches didn't build when CONFIG_IO_APIC is disabled - I have fixed 
> this by the patch below.
> 
> Thanks,
> 
> 	Ingo
> 
> ---
>  arch/x86/include/asm/io_apic.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
> index 06fec4426458..fd20a2334885 100644
> --- a/arch/x86/include/asm/io_apic.h
> +++ b/arch/x86/include/asm/io_apic.h
> @@ -233,6 +233,7 @@ static inline void io_apic_init_mappings(void) { }
>  
>  static inline void setup_IO_APIC(void) { }
>  static inline void enable_IO_APIC(void) { }
> +static inline void restore_boot_irq_mode(void) { }

Ah, yes, thanks. Ack this patch.

Acked-by: Baoquan He <bhe@...hat.com>