linux-kernel - Re: [PATCH v2 0/2] x86/apic/kexec: Legacy irq setting fixs in kdump kernel

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Date:   Fri, 2 Feb 2018 12:04:24 +0800
From:   Dou Liyang <douly.fnst@...fujitsu.com>
To:     Baoquan He <bhe@...hat.com>, <linux-kernel@...r.kernel.org>
CC:     <ebiederm@...ssion.com>, <tglx@...utronix.de>, <mingo@...hat.com>,
        <hpa@...or.com>, <x86@...nel.org>, <joro@...tes.org>,
        <uobergfe@...hat.com>, <prarit@...hat.com>
Subject: Re: [PATCH v2 0/2] x86/apic/kexec: Legacy irq setting fixs in kdump
 kernel

Hi Baoquan,

At 01/25/2018 10:11 PM, Baoquan He wrote:
> This is v2 post.
> 
> In v2, no code change, just improve change log of patch 1 and 2.
> 
> And drop the old patch 3 in v1, a clean up patch. The current
> x86_io_apic_ops.disable() hook is still needed by irq remapping.
> 
> Baoquan He (2):

Test these patches in both 32bit and 64bit of x86 arches. feel free to
add my Tested-by.

Tested-by: Dou Liyang <douly.fnst@...fujitsu.com>

Thanks,
	dou.

>    x86/apic/kexec: Enable legacy irq mode before jump to kexec/kdump
>      kernel
>    x86/apic: Set up through-local-APIC on boot CPU's LINT0 if 'noapic'
>      specified
> 
>   arch/x86/include/asm/io_apic.h     |  3 ++-
>   arch/x86/kernel/apic/apic.c        |  2 +-
>   arch/x86/kernel/apic/io_apic.c     | 12 ++++--------
>   arch/x86/kernel/crash.c            |  2 +-
>   arch/x86/kernel/machine_kexec_32.c | 15 +++++----------
>   arch/x86/kernel/machine_kexec_64.c | 15 +++++----------
>   arch/x86/kernel/reboot.c           |  2 +-
>   7 files changed, 19 insertions(+), 32 deletions(-)
>