linux-kernel - Re: [PATCH v6 1/2] crash_core, vmcoreinfo: Append 'MAX_PHYSMEM

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Message-ID: <20200702110003.GC22241@gaia>
Date:   Thu, 2 Jul 2020 12:00:20 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Bhupesh Sharma <bhsharma@...hat.com>
Cc:     linux-arm-kernel@...ts.infradead.org, x86@...nel.org,
        Mark Rutland <mark.rutland@....com>,
        Kazuhito Hagio <k-hagio@...jp.nec.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        kexec@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, James Morse <james.morse@....com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Boris Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>, bhupesh.linux@...il.com,
        Will Deacon <will@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Paul Mackerras <paulus@...ba.org>,
        Dave Anderson <anderson@...hat.com>
Subject: Re: [PATCH v6 1/2] crash_core, vmcoreinfo: Append 'MAX_PHYSMEM_BITS'
 to vmcoreinfo

On Thu, May 14, 2020 at 12:22:36AM +0530, Bhupesh Sharma wrote:
> diff --git a/kernel/crash_core.c b/kernel/crash_core.c
> index 9f1557b98468..18175687133a 100644
> --- a/kernel/crash_core.c
> +++ b/kernel/crash_core.c
> @@ -413,6 +413,7 @@ static int __init crash_save_vmcoreinfo_init(void)
>  	VMCOREINFO_LENGTH(mem_section, NR_SECTION_ROOTS);
>  	VMCOREINFO_STRUCT_SIZE(mem_section);
>  	VMCOREINFO_OFFSET(mem_section, section_mem_map);
> +	VMCOREINFO_NUMBER(MAX_PHYSMEM_BITS);
>  #endif
>  	VMCOREINFO_STRUCT_SIZE(page);
>  	VMCOREINFO_STRUCT_SIZE(pglist_data);

I can queue this patch via the arm64 tree (together with the second one)
but I'd like an ack from the kernel/crash_core.c maintainers. They don't
seem to have been cc'ed either (only the kexec list).

Thanks.

-- 
Catalin