linux-kernel - Re: [PATCH v2] s390/ipl: fix virtual vs physical address confusion

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Message-Id: <CUU7XCP53ERV.2SV3LEE31BZH9@suppilovahvero>
Date:   Wed, 16 Aug 2023 22:32:39 +0300
From:   "Jarkko Sakkinen" <jarkko@...nel.org>
To:     "Heiko Carstens" <hca@...ux.ibm.com>,
        "Alexander Gordeev" <agordeev@...ux.ibm.com>
Cc:     "Mimi Zohar" <zohar@...ux.ibm.com>,
        "Vasily Gorbik" <gor@...ux.ibm.com>,
        <linux-kernel@...r.kernel.org>, <linux-s390@...r.kernel.org>,
        <linux-integrity@...r.kernel.org>
Subject: Re: [PATCH v2] s390/ipl: fix virtual vs physical address confusion

On Wed Aug 16, 2023 at 6:44 PM EEST, Heiko Carstens wrote:
> On Wed, Aug 16, 2023 at 03:29:42PM +0200, Alexander Gordeev wrote:
> > The value of ipl_cert_list_addr boot variable contains
> > a physical address, which is used directly. That works
> > because virtual and physical address spaces are currently
> > the same, but otherwise it is wrong.
> > 
> > While at it, fix also a comment for the platform keyring.
> > 
> > Signed-off-by: Alexander Gordeev <agordeev@...ux.ibm.com>
> > ---
> >  arch/s390/kernel/machine_kexec_file.c             | 4 ++--
> >  arch/s390/kernel/setup.c                          | 2 +-
> >  security/integrity/platform_certs/load_ipl_s390.c | 4 ++--
> >  3 files changed, 5 insertions(+), 5 deletions(-)
>
> Mimi, Jarkko, any objections from your side?
> I would take this via the s390 tree.

No objections.

Acked-by: Jarkko Sakkinen <jarkko@...nel.org>

BR, Jarkko