Re: [PATCH -v4 0/4] x86, kdump: Fix crashkernel high with oldkexec-tools
From: Vivek Goyal
Date: Wed Apr 10 2013 - 16:28:58 EST
On Wed, Apr 10, 2013 at 12:39:15PM -0700, Yinghai Lu wrote:
> Vivek found some problems with old kexec-tools.
> We keep the old crashkernel=X to old behavoir, so it will not break
> old kexec-tools.
> Add crashkernel=X,high to support new kexec-tools that supports loading high.
> when high is used, memblock will search from top to low.
> if the allocated one is above 4G, kernel will try to auto allocate
> 72M under 4G for swiotlb.
> user could crashkernel=Y,low to change 72M to other value.
> -v2: reorder the patch sequences
> crashkernel=X,high, crashkernel=Y,low only handle simple form.
> crashkernel=X will override crashkernel=X;high crashkernel=Y;low
> -v3: update description in kernel-parameters.txt
> update get_last_crashkernel and _simple checking about suffix.
> -v4: update to use ,high again, and also not abuse parse_crashkernel_simple
This series looks good to me.
Acked-by: Vivek Goyal <vgoyal@xxxxxxxxxx>
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