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 for kexec@lists.infradead.org; Fri, 06 Dec 2013 09:25:43 +0000
Date: Fri, 6 Dec 2013 18:25:16 +0900
From: Simon Horman <horms@verge.net.au>
Subject: Re: [PATCH] kexec: Fix add_usable_memory to use buf of type uint64_t.
Message-ID: <20131206092516.GA1107@verge.net.au>
References: <20131205192530.1961.78838.stgit@mars>
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To: Mahesh J Salgaonkar <mahesh@linux.vnet.ibm.com>
Cc: Kexec-ml <kexec@lists.infradead.org>

On Fri, Dec 06, 2013 at 12:55:30AM +0530, Mahesh J Salgaonkar wrote:
> From: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
> 
> A switchover from /kexec/arch/ppc64/fs2dt.c to common code under
> /kexec/fs2dt.c broke the kdump on ppc64. The function add_usable_memory()
> assumes that 'memory@*' node exports two 32bit values and fails
> to populate mem ranges correctly. On ppc64, 'memory@*' exports two 64bit
> values as below:
> 
> # hexdump /proc/device-tree/memory\@0/reg
> 0000000 0000 0000 0000 0000 0000 0000 0800 0000
> 0000010
> #
> 
> This patch fixes add_usable_memory() to use buf[2] of type uint64_t.
> 
> Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>

Thanks, applied.

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