linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Thiago Jung Bauermann <bauerman@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Mike Anderson <andmike@linux.ibm.com>,
	Ram Pai <linuxram@us.ibm.com>,
	linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH] powerpc/prom_init: Undo relocation before entering secure mode
Date: Wed, 11 Sep 2019 20:53:15 -0300	[thread overview]
Message-ID: <875zly1jbo.fsf@morokweng.localdomain> (raw)
In-Reply-To: <20190911163433.12822-1-bauerman@linux.ibm.com>


Thiago Jung Bauermann <bauerman@linux.ibm.com> writes:

> The ultravisor will do an integrity check of the kernel image but we
> relocated it so the check will fail. Restore the original image by
> relocating it back to the kernel virtual base address.
>
> This works because during build vmlinux is linked with an expected virtual
> runtime address of KERNELBASE.
>
> Fixes: 6a9c930bd775 ("powerpc/prom_init: Add the ESM call to prom_init")
> Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>

I meant to put a Suggested-by: Paul Mackerras <paulus@samba.org>

Sorry. Will add it if there's a v2.

-- 
Thiago Jung Bauermann
IBM Linux Technology Center

  reply	other threads:[~2019-09-11 23:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-11 16:34 [PATCH] powerpc/prom_init: Undo relocation before entering secure mode Thiago Jung Bauermann
2019-09-11 23:53 ` Thiago Jung Bauermann [this message]
2019-09-27 20:38   ` Thiago Jung Bauermann
2019-10-18 15:05 ` Ram Pai
2019-10-25 11:03 ` Michael Ellerman
2019-10-30 12:16 ` Michael Ellerman

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=875zly1jbo.fsf@morokweng.localdomain \
    --to=bauerman@linux.ibm.com \
    --cc=andmike@linux.ibm.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=linuxram@us.ibm.com \
    --cc=paulus@samba.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 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).