linux-kernel - Re: [PATCH 1/3] s390/cpufeature: rework to allow more than only hwcap bits

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Date:   Tue, 12 Jul 2022 13:56:37 +0200
From:   Steffen Eiden <seiden@...ux.ibm.com>
To:     Heiko Carstens <hca@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        Claudio Imbrenda <imbrenda@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>, linux-s390@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:     nrb@...ux.ibm.com
Subject: Re: [PATCH 1/3] s390/cpufeature: rework to allow more than only hwcap
 bits



On 7/12/22 12:52, Steffen Eiden wrote:
> Rework cpufeature implementation to allow for various cpu feature
> indications, which is not only limited to hwcap bits. This is achieved
> by adding a sequential list of cpu feature numbers, where each of them
> is mapped to an entry which indicates what this number is about.
> 
> Each entry contains a type member, which indicates what feature
> name space to look into (e.g. hwcap, or cpu facility). If wanted this
> allows also to automatically load modules only in e.g. z/VM
> configurations.
> 
> Signed-off-by: Steffen Eiden <seiden@...ux.ibm.com>
> Signed-off-by: Heiko Carstens <hca@...ux.ibm.com>

Sorry for the confusion. I modified a rfc from Heiko he sent to me.
My amended modifications also changed the author to myself of that
patch automatically.

Steffen