From: Simon Horman <horms@verge.net.au>
To: "Suzuki K. Poulose" <suzuki@in.ibm.com>
Cc: B29882@freescale.com, linuxppc-dev@lists.ozlabs.org,
kexec@lists.infradead.org
Subject: Re: [PATCH] [ppc] Do not reserve cpu spin-table for crash kernel
Date: Fri, 13 Jul 2012 15:33:10 +0900 [thread overview]
Message-ID: <20120713063309.GF19512@verge.net.au> (raw)
In-Reply-To: <20120524060933.14035.42732.stgit@suzukikp.in.ibm.com>
On Thu, May 24, 2012 at 11:39:45AM +0530, Suzuki K. Poulose wrote:
> As of now, the kexec reserves the spin-table for all the CPUs
> on an SMP machine. The spin-table is pointed to by the
> cpu-release-addr property in the device-tree. Reserving the
> spin-table in the crash kernel will cause a BUG(), if the table
> lies outside the memory reserved for the crashkernel.
>
> Disable reserving the spin-table regions and use maxcpus=1 to
> use only the crashing CPU to boot the crash kernel.
>
> Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com>
Thanks, applied.
Sorry for not seeing this (much) earlier.
prev parent reply other threads:[~2012-07-13 6:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-22 12:42 Handling spin table in kdump Suzuki K. Poulose
2012-05-22 15:34 ` McClintock Matthew-B29882
2012-05-24 6:09 ` [PATCH] [ppc] Do not reserve cpu spin-table for crash kernel Suzuki K. Poulose
2012-06-18 6:27 ` Suzuki K. Poulose
2012-07-13 6:33 ` Simon Horman [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120713063309.GF19512@verge.net.au \
--to=horms@verge.net.au \
--cc=B29882@freescale.com \
--cc=kexec@lists.infradead.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=suzuki@in.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).