[PATCH v14 00/39] arm64/sme: Initial support for the Scalable Matrix Extension

[Mark Brown]

On Wed, Apr 27, 2022 at 01:08:58PM -0400, Qian Cai wrote:
> On Tue, Apr 19, 2022 at 12:22:08PM +0100, Mark Brown wrote:

> > but not SVE, SME is an ARMv9 feature and SVE is mandatory for ARMv9.
> > The code attempts to handle any such systems that are encountered but
> > this hasn't been tested extensively.
> 
> Running CPU offline/online on a Neoverse-N1 server will trigger a crash.

Can you try with 

   https://lore.kernel.org/r/20220427130828.162615-1-broonie@kernel.org

please?
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