From: Simon Horman <horms@verge.net.au>
To: Mahesh J Salgaonkar <mahesh@linux.vnet.ibm.com>
Cc: Kexec-ml <kexec@lists.infradead.org>
Subject: Re: [PATCH] kexec: Fix add_usable_memory to use buf of type uint64_t.
Date: Fri, 6 Dec 2013 18:25:16 +0900 [thread overview]
Message-ID: <20131206092516.GA1107@verge.net.au> (raw)
In-Reply-To: <20131205192530.1961.78838.stgit@mars>
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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prev parent reply other threads:[~2013-12-06 9:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-05 19:25 [PATCH] kexec: Fix add_usable_memory to use buf of type uint64_t Mahesh J Salgaonkar
2013-12-06 9:25 ` Simon Horman [this message]
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