Re: [PATCH v17 3/6] powerpc/kexec: move *_memory_ranges functions to ranges.c

From: Baoquan He <bhe@redhat.com>
To: Sourabh Jain <sourabhjain@linux.ibm.com>
Cc: linuxppc-dev@ozlabs.org, Akhil Raj <lf32.dev@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Aneesh Kumar K . V" <aneesh.kumar@kernel.org>,
	Borislav Petkov <bp@alien8.de>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Dave Young <dyoung@redhat.com>,
	David Hildenbrand <david@redhat.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Hari Bathini <hbathini@linux.ibm.com>,
	Laurent Dufour <laurent.dufour@fr.ibm.com>,
	Mahesh Salgaonkar <mahesh@linux.ibm.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Mimi Zohar <zohar@linux.ibm.com>,
	Naveen N Rao <naveen@kernel.org>,
	Oscar Salvador <osalvador@suse.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	Valentin Schneider <vschneid@redhat.com>,
	Vivek Goyal <vgoyal@redhat.com>,
	kexec@lists.infradead.org, x86@kernel.org
Subject: Re: [PATCH v17 3/6] powerpc/kexec: move *_memory_ranges functions to ranges.c
Date: Thu, 29 Feb 2024 16:11:02 +0800	[thread overview]
Message-ID: <ZeA8Fl7xVHly4Ma+@MiWiFi-R3L-srv> (raw)
In-Reply-To: <20240226084118.16310-4-sourabhjain@linux.ibm.com>

On 02/26/24 at 02:11pm, Sourabh Jain wrote:
> Move the following functions form kexec/{file_load_64.c => ranges.c} and
> make them public so that components other KEXEC_FILE can also use these
                                           ^
                                          'than' missed?
> functions.
> 1. get_exclude_memory_ranges
> 2. get_reserved_memory_ranges
> 3. get_crash_memory_ranges
> 4. get_usable_memory_ranges
> 
> Later in the series get_crash_memory_ranges function is utilized for
> in-kernel updates to kdump image during CPU/Memory hotplug or
> online/offline events for both kexec_load and kexec_file_load syscalls.
> 
> Since the above functions are moved to ranges.c, some of the helper
> functions in ranges.c are no longer required to be public. Mark them as
> static and removed them from kexec_ranges.h header file.
> 
> Finally, remove the CONFIG_KEXEC_FILE build dependency for range.c
> because it is required for other config, such as CONFIG_CRASH_DUMP.
> 
> No functional changes are intended.
......snip


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