Re: [PATCH v2 0/3] s390/cpufeature: rework to allow different types of cpufeatures

Heiko Carstens
2022-07-14T10:53:39Z

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!