From: Michael Ellerman <michael@ellerman.id.au>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev list <linuxppc-dev@ozlabs.org>
Subject: Re: powerpc/powernv: Call OPAL sync before kexec'ing
Date: Thu, 16 Jan 2014 11:58:23 +1100 [thread overview]
Message-ID: <1389833903.31288.1.camel@concordia> (raw)
In-Reply-To: <1389765724.6933.78.camel@pasglop>
On Wed, 2014-01-15 at 17:02 +1100, Benjamin Herrenschmidt wrote:
> From: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
>
> Its possible that OPAL may be writing to host memory during
> kexec (like dump retrieve scenario). In this situation we might
> end up corrupting host memory.
Are we happy with that happening during kdump? (which doesn't call any of the
shutdown paths)
cheers
next prev parent reply other threads:[~2014-01-16 0:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-15 6:02 powerpc/powernv: Call OPAL sync before kexec'ing Benjamin Herrenschmidt
2014-01-16 0:58 ` Michael Ellerman [this message]
2014-01-16 1:02 ` Benjamin Herrenschmidt
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=1389833903.31288.1.camel@concordia \
--to=michael@ellerman.id.au \
--cc=benh@kernel.crashing.org \
--cc=linuxppc-dev@ozlabs.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.