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Date:   Thu, 2 Jul 2020 17:55:59 +0100
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Dave Young <dyoung@redhat.com>
Cc:     Bhupesh Sharma <bhsharma@redhat.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Kazuhito Hagio <k-hagio@ab.jp.nec.com>,
        Will Deacon <will@kernel.org>,
        Michael Ellerman <mpe@ellerman.id.au>, x86@kernel.org,
        kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
        Paul Mackerras <paulus@samba.org>,
        James Morse <james.morse@arm.com>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Boris Petkov <bp@alien8.de>,
        Thomas Gleixner <tglx@linutronix.de>, bhupesh.linux@gmail.com,
        linuxppc-dev@lists.ozlabs.org, Ingo Molnar <mingo@kernel.org>,
        linux-arm-kernel@lists.infradead.org,
        Dave Anderson <anderson@redhat.com>
Subject: Re: [PATCH v6 1/2] crash_core, vmcoreinfo: Append 'MAX_PHYSMEM_BITS'
 to vmcoreinfo
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On Thu, Jul 02, 2020 at 08:08:55PM +0800, Dave Young wrote:
> Hi Catalin,
> On 07/02/20 at 12:00pm, Catalin Marinas wrote:
> > 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).
> 
> For the VMCOREINFO part, I'm fine with the changes, but since I do not
> understand the arm64 pieces so I would like to leave to arm64 people to
> review.  If arm64 bits are good enough, feel free to add:
> 
> Acked-by: Dave Young <dyoung@redhat.com>

Thanks.

-- 
Catalin