linux-kernel - Re: [PATCH v2] crash, powerpc: Default to CRASH_DUMP=n on PPC_BOOK3S

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Message-ID: <ZzP7AzziB8a2jJGP@MiWiFi-R3L-srv>
Date: Wed, 13 Nov 2024 09:04:03 +0800
From: Baoquan He <bhe@...hat.com>
To: akpm@...ux-foundation.org, Dave Vasilevsky <dave@...ilevsky.ca>
Cc: glaubitz@...sik.fu-berlin.de, linuxppc-dev@...ts.ozlabs.org,
	linux-sh@...r.kernel.org, mpe@...erman.id.au,
	kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
	ebiederm@...ssion.com,
	Reimar Döffinger <Reimar.Doeffinger@....de>
Subject: Re: [PATCH v2] crash, powerpc: Default to CRASH_DUMP=n on
 PPC_BOOK3S_32

Hi Andrew,

On 09/19/24 at 10:57am, Baoquan He wrote:
> On 09/17/24 at 12:37pm, Dave Vasilevsky wrote:
> > Fixes boot failures on 6.9 on PPC_BOOK3S_32 machines using
> > Open Firmware. On these machines, the kernel refuses to boot
> > from non-zero PHYSICAL_START, which occurs when CRASH_DUMP is on.
> > 
> > Since most PPC_BOOK3S_32 machines boot via Open Firmware, it should
> > default to off for them. Users booting via some other mechanism
> > can still turn it on explicitly.
> > 
> > Does not change the default on any other architectures for the
> > time being.
> > 
> > Signed-off-by: Dave Vasilevsky <dave@...ilevsky.ca>
> > Reported-by: Reimar Döffinger <Reimar.Doeffinger@....de>
> > Closes: https://lists.debian.org/debian-powerpc/2024/07/msg00001.html
> > Fixes: 75bc255a7444 ("crash: clean up kdump related config items")
> > ---
> >  arch/arm/Kconfig       | 3 +++
> >  arch/arm64/Kconfig     | 3 +++
> >  arch/loongarch/Kconfig | 3 +++
> >  arch/mips/Kconfig      | 3 +++
> >  arch/powerpc/Kconfig   | 4 ++++
> >  arch/riscv/Kconfig     | 3 +++
> >  arch/s390/Kconfig      | 3 +++
> >  arch/sh/Kconfig        | 3 +++
> >  arch/x86/Kconfig       | 3 +++
> >  kernel/Kconfig.kexec   | 2 +-
> >  10 files changed, 29 insertions(+), 1 deletion(-)
> 
> Thanks for the effort.
> 
> Acked-by: Baoquan He <bhe@...hat.com>

Could you help pick this one?

Thanks
Baoquan