linux-kernel - Re: [PATCH linux-next v3 01/14] kexec: split crashkernel reservation code out from crash

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Date: Sun, 28 Jan 2024 02:28:28 +0100
From: Klara Modin <klarasmodin@...il.com>
To: Baoquan He <bhe@...hat.com>, linux-kernel@...r.kernel.org
Cc: kexec@...ts.infradead.org, x86@...nel.org,
 linux-arm-kernel@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org,
 linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
 linux-mips@...r.kernel.org, linux-riscv@...ts.infradead.org,
 loongarch@...ts.linux.dev, akpm@...ux-foundation.org, ebiederm@...ssion.com,
 hbathini@...ux.ibm.com, piliu@...hat.com, viro@...iv.linux.org.uk
Subject: Re: [PATCH linux-next v3 01/14] kexec: split crashkernel reservation
 code out from crash_core.c

Hi,

On 2024-01-24 06:12, Baoquan He wrote:
> And also add config item CRASH_RESERVE to control its enabling of the
> codes. And update config items which has relationship with crashkernel
> reservation.
> 
> And also change ifdeffery from CONFIG_CRASH_CORE to CONFIG_CRASH_RESERVE
> when those scopes are only crashkernel reservation related.

> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 502986237cb6..a9243e0948a3 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -2106,7 +2106,7 @@ config ARCH_SUPPORTS_CRASH_HOTPLUG
>   	def_bool y
>   
>   config ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION
> -	def_bool CRASH_CORE
> +	def_bool CRASH_RESEERVE
>   
>   config PHYSICAL_START
>   	hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)

CRASH_RESEERVE is probably a typo and should be CRASH_RESERVE (with the 
former ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION isn't defined in my 
config and `crashkernel=...` parameter has no effect).

Kind regards,
Klara Modin