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

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Message-ID: <ZN0CNK4tZdp+ig0g@li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com>
Date:   Wed, 16 Aug 2023 19:07:00 +0200
From:   Alexander Gordeev <agordeev@...ux.ibm.com>
To:     Mimi Zohar <zohar@...ux.ibm.com>
Cc:     Jarkko Sakkinen <jarkko@...nel.org>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Heiko Carstens <hca@...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 12:13:24PM -0400, Mimi Zohar wrote:
...
> I'm trying to understand if there is a difference between the other
> archs and s390; and whether a similar change is needed for the other
> archs.  Loading certificates on the other archs call kmalloc to
> allocate memory for the certs. Is the memory being allocated on x390
> using kmalloc?

No. The memory is allocated in the decompressor and passed to
the uncompressed kernel. I do not think anything needs to be
done for other archs.

> -- 
> thanks,
> 
> Mimi

Thanks!