From: Heiko Carstens <hca@linux.ibm.com>
To: Steffen Eiden <seiden@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Janosch Frank <frankja@linux.ibm.com>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, nrb@linux.ibm.com
Subject: Re: [PATCH v2 0/3] s390/cpufeature: rework to allow different types of cpufeatures
Date: Thu, 14 Jul 2022 12:53:25 +0200 [thread overview]
Message-ID: <Ys/1pZ5Z4GlC7YEe@osiris> (raw)
In-Reply-To: <20220713125644.16121-1-seiden@linux.ibm.com>
On Wed, Jul 13, 2022 at 02:56:41PM +0200, Steffen Eiden wrote:
> Currently the s390 implementaion of cpufeature is limited to elf_hwcap
> bits. Using these to automatically load modules also exposes this
> cpufeature to userspace which, sometimes is not intended.
>
> Therefore, rework the s390-cpufeature implementation to allow for
> various cpu feature indications, which is not only limited to hwcap bits.
>
> Add a new type to allow facilities to be a cpufeature without using
> hwcap bits that expose this feature to userspace.
>
> Load uvdevice when facility 158 is present.
>
> since v1:
> * add r-bs from Claudio
> * worked in comments
>
> Heiko Carstens (2):
> s390/cpufeature: rework to allow more than only hwcap bits
> s390/cpufeature: allow for facility bits
>
> Steffen Eiden (1):
> s390/uvdevice: autoload module based on CPU facility
Series applied, thanks!
next prev parent reply other threads:[~2022-07-14 10:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-13 12:56 [PATCH v2 0/3] s390/cpufeature: rework to allow different types of cpufeatures Steffen Eiden
2022-07-13 12:56 ` [PATCH v2 1/3] s390/cpufeature: rework to allow more than only hwcap bits Steffen Eiden
2022-07-13 13:50 ` Claudio Imbrenda
2022-07-15 7:59 ` Hendrik Brueckner
2022-07-15 9:32 ` Heiko Carstens
2022-07-13 12:56 ` [PATCH v2 2/3] s390/cpufeature: allow for facility bits Steffen Eiden
2022-07-13 12:56 ` [PATCH v2 3/3] s390/uvdevice: autoload module based on CPU facility Steffen Eiden
2022-07-14 10:53 ` Heiko Carstens [this message]
2022-07-15 7:49 ` [PATCH v2 0/3] s390/cpufeature: rework to allow different types of cpufeatures Hendrik Brueckner
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